diff --git a/app/src/main/java/io/github/sspanak/tt9/db/exporter/AbstractExporter.java b/app/src/main/java/io/github/sspanak/tt9/db/customWords/AbstractExporter.java
similarity index 72%
rename from app/src/main/java/io/github/sspanak/tt9/db/exporter/AbstractExporter.java
rename to app/src/main/java/io/github/sspanak/tt9/db/customWords/AbstractExporter.java
index e1f540cb..1d952bf0 100644
--- a/app/src/main/java/io/github/sspanak/tt9/db/exporter/AbstractExporter.java
+++ b/app/src/main/java/io/github/sspanak/tt9/db/customWords/AbstractExporter.java
@@ -1,4 +1,4 @@
-package io.github.sspanak.tt9.db.exporter;
+package io.github.sspanak.tt9.db.customWords;
 
 import android.app.Activity;
 import android.content.ContentResolver;
@@ -16,19 +16,13 @@ import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 
-import io.github.sspanak.tt9.util.ConsumerCompat;
 import io.github.sspanak.tt9.util.Permissions;
 
-public abstract class AbstractExporter {
+public abstract class AbstractExporter extends AbstractFileProcessor {
 	protected static String FILE_EXTENSION = ".csv";
 	protected static String MIME_TYPE = "text/csv";
 
-	protected Runnable failureHandler;
-	protected Runnable startHandler;
-	protected ConsumerCompat<String> successHandler;
-	private Thread processThread;
 	private String outputFile;
-	private String statusMessage = "";
 
 
 	private void writeAndroid10(Activity activity) throws Exception {
@@ -107,18 +101,6 @@ public abstract class AbstractExporter {
 		return Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q ? Environment.DIRECTORY_DOCUMENTS : Environment.DIRECTORY_DOWNLOADS;
 	}
 
-	protected void sendFailure() {
-		if (failureHandler != null) {
-			failureHandler.run();
-		}
-	}
-
-	protected void sendStart(@NonNull String message) {
-		if (startHandler != null) {
-			statusMessage = message;
-			startHandler.run();
-		}
-	}
 
 	protected void sendSuccess() {
 		if (successHandler != null) {
@@ -126,39 +108,7 @@ public abstract class AbstractExporter {
 		}
 	}
 
-	public boolean export(@NonNull Activity activity) {
-		if (isRunning()) {
-			return false;
-		}
 
-		processThread = new Thread(() -> exportSync(activity));
-		processThread.start();
-
-		return true;
-	}
-
-	public boolean isRunning() {
-		return processThread != null && processThread.isAlive();
-	}
-
-	public String getStatusMessage() {
-		return statusMessage;
-	}
-
-	public void setFailureHandler(Runnable handler) {
-		failureHandler = handler;
-	}
-
-	public void setStartHandler(Runnable handler) {
-		startHandler = handler;
-	}
-
-	public void setSuccessHandler(ConsumerCompat<String> handler) {
-		successHandler = handler;
-	}
-
-
-	abstract protected void exportSync(Activity activity);
 	@NonNull abstract protected String generateFileName();
 	@NonNull abstract protected byte[] getFileContents(Activity activity) throws Exception;
 }
diff --git a/app/src/main/java/io/github/sspanak/tt9/db/customWords/AbstractFileProcessor.java b/app/src/main/java/io/github/sspanak/tt9/db/customWords/AbstractFileProcessor.java
new file mode 100644
index 00000000..208318a6
--- /dev/null
+++ b/app/src/main/java/io/github/sspanak/tt9/db/customWords/AbstractFileProcessor.java
@@ -0,0 +1,63 @@
+package io.github.sspanak.tt9.db.customWords;
+
+import android.app.Activity;
+
+import androidx.annotation.NonNull;
+
+import io.github.sspanak.tt9.util.ConsumerCompat;
+
+abstract public class AbstractFileProcessor {
+	protected Runnable failureHandler;
+	protected Runnable startHandler;
+	protected ConsumerCompat<String> successHandler;
+
+	private Thread processThread;
+	protected String statusMessage = "";
+
+	public boolean isRunning() {
+		return processThread != null && processThread.isAlive();
+	}
+
+	public String getStatusMessage() {
+		return statusMessage;
+	}
+
+	protected void sendFailure() {
+		if (failureHandler != null) {
+			failureHandler.run();
+		}
+	}
+
+	protected void sendStart(@NonNull String message) {
+		if (startHandler != null) {
+			statusMessage = message;
+			startHandler.run();
+		}
+	}
+
+	public void setFailureHandler(Runnable handler) {
+		failureHandler = handler;
+	}
+
+	public void setStartHandler(Runnable handler) {
+		startHandler = handler;
+	}
+
+	public void setSuccessHandler(ConsumerCompat<String> handler) {
+		successHandler = handler;
+	}
+
+	public boolean run(@NonNull Activity activity) {
+		if (isRunning()) {
+			return false;
+		}
+
+		processThread = new Thread(() -> runSync(activity));
+		processThread.start();
+
+		return true;
+	}
+
+	abstract protected void sendSuccess();
+	abstract protected void runSync(Activity activity);
+}
diff --git a/app/src/main/java/io/github/sspanak/tt9/db/exporter/CustomWordsExporter.java b/app/src/main/java/io/github/sspanak/tt9/db/customWords/CustomWordsExporter.java
similarity index 93%
rename from app/src/main/java/io/github/sspanak/tt9/db/exporter/CustomWordsExporter.java
rename to app/src/main/java/io/github/sspanak/tt9/db/customWords/CustomWordsExporter.java
index bf771331..708b6335 100644
--- a/app/src/main/java/io/github/sspanak/tt9/db/exporter/CustomWordsExporter.java
+++ b/app/src/main/java/io/github/sspanak/tt9/db/customWords/CustomWordsExporter.java
@@ -1,4 +1,4 @@
-package io.github.sspanak.tt9.db.exporter;
+package io.github.sspanak.tt9.db.customWords;
 
 import android.app.Activity;
 import android.database.sqlite.SQLiteDatabase;
@@ -23,7 +23,7 @@ public class CustomWordsExporter extends AbstractExporter {
 	}
 
 	@Override
-	protected void exportSync(Activity activity) {
+	protected void runSync(Activity activity) {
 		try {
 			sendStart(activity.getString(R.string.dictionary_export_generating_csv));
 			write(activity);
diff --git a/app/src/main/java/io/github/sspanak/tt9/db/customWords/CustomWordsImporter.java b/app/src/main/java/io/github/sspanak/tt9/db/customWords/CustomWordsImporter.java
new file mode 100644
index 00000000..cb5ad7e7
--- /dev/null
+++ b/app/src/main/java/io/github/sspanak/tt9/db/customWords/CustomWordsImporter.java
@@ -0,0 +1,213 @@
+package io.github.sspanak.tt9.db.customWords;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.res.Resources;
+
+import androidx.annotation.NonNull;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+
+import io.github.sspanak.tt9.R;
+import io.github.sspanak.tt9.db.entities.CustomWord;
+import io.github.sspanak.tt9.db.entities.CustomWordFile;
+import io.github.sspanak.tt9.db.sqlite.InsertOps;
+import io.github.sspanak.tt9.db.sqlite.ReadOps;
+import io.github.sspanak.tt9.db.sqlite.SQLiteOpener;
+import io.github.sspanak.tt9.preferences.settings.SettingsStore;
+import io.github.sspanak.tt9.util.ConsumerCompat;
+import io.github.sspanak.tt9.util.Logger;
+import io.github.sspanak.tt9.util.Timer;
+
+public class CustomWordsImporter extends AbstractFileProcessor {
+	private static CustomWordsImporter self;
+
+	private ConsumerCompat<Integer> progressHandler;
+	private ConsumerCompat<String> failureHandler;
+
+	private final Context context;
+	private CustomWordFile file;
+	private final Resources resources;
+	private SQLiteOpener sqlite;
+
+	private long lastProgressUpdate = 0;
+
+
+	public static CustomWordsImporter getInstance(Context context) {
+		if (self == null) {
+			self = new CustomWordsImporter(context);
+		}
+
+		return self;
+	}
+
+
+	private CustomWordsImporter(Context context) {
+		super();
+		this.context = context;
+		this.resources = context.getResources();
+	}
+
+
+	public void setProgressHandler(ConsumerCompat<Integer> handler) {
+		progressHandler = handler;
+	}
+
+
+	public void setFailureHandler(ConsumerCompat<String> handler) {
+		failureHandler = handler;
+	}
+
+
+	private void sendProgress(int progress) {
+		long now = System.currentTimeMillis();
+		if (lastProgressUpdate + SettingsStore.DICTIONARY_IMPORT_PROGRESS_UPDATE_TIME < now) {
+			progressHandler.accept(progress);
+			lastProgressUpdate = now;
+		}
+	}
+
+
+	@Override
+	protected void sendSuccess() {
+		if (successHandler != null) {
+			successHandler.accept(file.getName());
+		}
+	}
+
+
+	private void sendFailure(String errorMessage) {
+		if (failureHandler != null) {
+			failureHandler.accept(errorMessage);
+		}
+	}
+
+
+	public boolean run(@NonNull Activity activity, @NonNull CustomWordFile file) {
+		this.file = file;
+		return super.run(activity);
+	}
+
+
+	@Override
+	protected void runSync(Activity activity) {
+		Timer.start(getClass().getSimpleName());
+
+		sendStart(resources.getString(R.string.dictionary_import_running));
+		if (isFileValid() && isThereRoomForMoreWords() && insertWords()) {
+			sendSuccess();
+			Logger.i(getClass().getSimpleName(), "Imported " + file.getName() + " in " + Timer.get(getClass().getSimpleName()) + " ms");
+		} else {
+			Logger.e(getClass().getSimpleName(), "Failed to import " + file.getName());
+		}
+	}
+
+
+	private boolean openDb() {
+		sqlite = SQLiteOpener.getInstance(context);
+		if (sqlite.getDb() != null) {
+			return true;
+		}
+
+		Logger.e(getClass().getSimpleName(), "Could not open database");
+		sendFailure(resources.getString(R.string.dictionary_import_failed));
+		return false;
+	}
+
+
+	private boolean insertWords() {
+		ReadOps readOps = new ReadOps();
+		int ignoredWords = 0;
+		int lineCount = 1;
+
+		try (BufferedReader reader = file.getReader()) {
+			sqlite.beginTransaction();
+
+			for (String line; (line = reader.readLine()) != null; lineCount++) {
+				if (!isLineCountValid(lineCount)) {
+					sqlite.failTransaction();
+					return false;
+				}
+
+				CustomWord customWord = createCustomWord(line, lineCount);
+				if (customWord == null) {
+					sqlite.failTransaction();
+					return false;
+				}
+
+				if (readOps.exists(sqlite.getDb(), customWord.language, customWord.word)) {
+					ignoredWords++;
+				} else {
+					InsertOps.insertCustomWord(sqlite.getDb(), customWord.language, customWord.sequence, customWord.word);
+				}
+
+				if (file.getSize() > 20) {
+					sendProgress(lineCount * 100 / file.getSize());
+				}
+			}
+
+			sqlite.finishTransaction();
+		} catch (IOException e) {
+			sqlite.failTransaction();
+			Logger.e(getClass().getSimpleName(), "Error opening the file. " + e.getMessage());
+			sendFailure(resources.getString(R.string.dictionary_import_error_cannot_read_file));
+			return false;
+		}
+
+		if (ignoredWords > 0) {
+			Logger.i(getClass().getSimpleName(), "Skipped " + ignoredWords + " word(s) that are already in the dictionary.");
+		}
+
+		return true;
+	}
+
+
+	private boolean isFileValid() {
+		if (file != null) {
+			return true;
+		}
+
+		Logger.e(getClass().getSimpleName(), "Can not read a NULL file");
+		sendFailure(resources.getString(R.string.dictionary_import_error_cannot_read_file));
+		return false;
+	}
+
+
+	private boolean isThereRoomForMoreWords() {
+		if (!openDb()) {
+			return false;
+		}
+
+		if ((new ReadOps()).countCustomWords(sqlite.getDb()) > SettingsStore.CUSTOM_WORDS_MAX) {
+			sendFailure(resources.getString(R.string.dictionary_import_error_too_many_words));
+			return false;
+		}
+
+		return true;
+	}
+
+
+	private boolean isLineCountValid(int lineCount) {
+		if (lineCount <= SettingsStore.CUSTOM_WORDS_IMPORT_MAX_LINES) {
+			return true;
+		}
+
+		sendFailure(resources.getString(R.string.dictionary_import_error_file_too_long, SettingsStore.CUSTOM_WORDS_IMPORT_MAX_LINES));
+		return false;
+	}
+
+
+	private CustomWord createCustomWord(String line, int lineCount) {
+		try {
+			return new CustomWord(
+				CustomWordFile.getWord(line),
+				CustomWordFile.getLanguage(context, line)
+			);
+		} catch (Exception e) {
+			String linePreview = line.length() > 50 ? line.substring(0, 50) + "..." : line;
+			sendFailure(resources.getString(R.string.dictionary_import_error_malformed_line, linePreview, lineCount));
+			return null;
+		}
+	}
+}
diff --git a/app/src/main/java/io/github/sspanak/tt9/db/exporter/DictionaryExporter.java b/app/src/main/java/io/github/sspanak/tt9/db/customWords/DictionaryExporter.java
similarity index 96%
rename from app/src/main/java/io/github/sspanak/tt9/db/exporter/DictionaryExporter.java
rename to app/src/main/java/io/github/sspanak/tt9/db/customWords/DictionaryExporter.java
index 35204a57..caff42c3 100644
--- a/app/src/main/java/io/github/sspanak/tt9/db/exporter/DictionaryExporter.java
+++ b/app/src/main/java/io/github/sspanak/tt9/db/customWords/DictionaryExporter.java
@@ -1,4 +1,4 @@
-package io.github.sspanak.tt9.db.exporter;
+package io.github.sspanak.tt9.db.customWords;
 
 import android.app.Activity;
 import android.database.sqlite.SQLiteDatabase;
@@ -31,7 +31,7 @@ public class DictionaryExporter extends AbstractExporter {
 	}
 
 	@Override
-	protected void exportSync(Activity activity) {
+	protected void runSync(Activity activity) {
 		if (languages == null || languages.isEmpty()) {
 			Logger.d(LOG_TAG, "Nothing to do");
 			return;
diff --git a/app/src/main/java/io/github/sspanak/tt9/db/exporter/LogcatExporter.java b/app/src/main/java/io/github/sspanak/tt9/db/customWords/LogcatExporter.java
similarity index 95%
rename from app/src/main/java/io/github/sspanak/tt9/db/exporter/LogcatExporter.java
rename to app/src/main/java/io/github/sspanak/tt9/db/customWords/LogcatExporter.java
index 143d7b7b..99e95cb7 100644
--- a/app/src/main/java/io/github/sspanak/tt9/db/exporter/LogcatExporter.java
+++ b/app/src/main/java/io/github/sspanak/tt9/db/customWords/LogcatExporter.java
@@ -1,4 +1,4 @@
-package io.github.sspanak.tt9.db.exporter;
+package io.github.sspanak.tt9.db.customWords;
 
 import android.app.Activity;
 
@@ -60,7 +60,7 @@ public class LogcatExporter extends AbstractExporter {
 
 
 	@Override
-	protected void exportSync(Activity activity) {
+	protected void runSync(Activity activity) {
 		try {
 			sendStart("Exporting logs...");
 			write(activity);
diff --git a/app/src/main/java/io/github/sspanak/tt9/db/entities/AddWordResult.java b/app/src/main/java/io/github/sspanak/tt9/db/entities/AddWordResult.java
index 8774e3c5..1dbd00be 100644
--- a/app/src/main/java/io/github/sspanak/tt9/db/entities/AddWordResult.java
+++ b/app/src/main/java/io/github/sspanak/tt9/db/entities/AddWordResult.java
@@ -5,7 +5,6 @@ import android.content.Context;
 import androidx.annotation.NonNull;
 
 import io.github.sspanak.tt9.R;
-import io.github.sspanak.tt9.languages.Language;
 
 public class AddWordResult {
 	public static final int CODE_SUCCESS = 0;
diff --git a/app/src/main/java/io/github/sspanak/tt9/db/entities/CustomWord.java b/app/src/main/java/io/github/sspanak/tt9/db/entities/CustomWord.java
new file mode 100644
index 00000000..88c2fbc2
--- /dev/null
+++ b/app/src/main/java/io/github/sspanak/tt9/db/entities/CustomWord.java
@@ -0,0 +1,26 @@
+package io.github.sspanak.tt9.db.entities;
+
+import androidx.annotation.NonNull;
+
+import io.github.sspanak.tt9.languages.NaturalLanguage;
+import io.github.sspanak.tt9.languages.exceptions.InvalidLanguageCharactersException;
+
+public class CustomWord {
+	public final NaturalLanguage language;
+	public final String word;
+	public final String sequence;
+
+	public CustomWord(@NonNull String word, NaturalLanguage language) throws InvalidLanguageCharactersException, IllegalArgumentException {
+		if (word.isEmpty() || language == null) {
+			throw new IllegalArgumentException("Word and language must be provided.");
+		}
+
+		this.word = word;
+		this.language = language;
+		this.sequence = language.getDigitSequenceForWord(word);
+
+		if (sequence.contains("1") || sequence.contains("0")) {
+			throw new IllegalArgumentException("Custom word: '" + word + "' contains punctuation.");
+		}
+	}
+}
diff --git a/app/src/main/java/io/github/sspanak/tt9/db/entities/CustomWordFile.java b/app/src/main/java/io/github/sspanak/tt9/db/entities/CustomWordFile.java
new file mode 100644
index 00000000..8f9a2508
--- /dev/null
+++ b/app/src/main/java/io/github/sspanak/tt9/db/entities/CustomWordFile.java
@@ -0,0 +1,89 @@
+package io.github.sspanak.tt9.db.entities;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.net.Uri;
+
+import androidx.annotation.NonNull;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+import io.github.sspanak.tt9.languages.LanguageCollection;
+import io.github.sspanak.tt9.languages.NaturalLanguage;
+import io.github.sspanak.tt9.util.Logger;
+
+public class CustomWordFile {
+	public static final String MIME_TYPE = "text/*"; // for some reason, text/csv does not work as a filter when browsing
+
+	private final ContentResolver contentResolver;
+	private final Uri fileUri;
+	private int size = -1;
+
+	public CustomWordFile(Uri fileUri, @NonNull ContentResolver contentResolver) {
+		this.contentResolver = contentResolver;
+		this.fileUri = fileUri;
+	}
+
+	public BufferedReader getReader() throws IOException {
+		return new BufferedReader(new InputStreamReader(contentResolver.openInputStream(fileUri)));
+	}
+
+	public String getName() {
+		return fileUri.getLastPathSegment();
+	}
+
+	public boolean exists() {
+		try {
+			return getReader() != null;
+		} catch (IOException e) {
+			return false;
+		}
+	}
+
+	public int getSize() {
+		if (size < 0) {
+			calculateSize();
+		}
+
+		return size;
+	}
+
+
+	private void calculateSize() {
+		size = 0;
+
+		try {
+			BufferedReader reader = getReader();
+			while (reader.readLine() != null) {
+				size++;
+			}
+		} catch (IOException e) {
+			Logger.w(getClass().getSimpleName(), "Failed to read file size. " + e.getMessage());
+		}
+	}
+
+
+	public static NaturalLanguage getLanguage(@NonNull Context context, String line) {
+		if (line == null) {
+			return null;
+		}
+
+		String[] parts = WordFile.splitLine(line);
+		if (parts == null || parts.length < 2) {
+			return null;
+		}
+
+		try {
+			return LanguageCollection.getLanguage(context, Integer.parseInt(parts[1]));
+		} catch (NumberFormatException e) {
+			return null;
+		}
+	}
+
+	@NonNull public static String getWord(String line) {
+		String[] parts = WordFile.splitLine(line);
+		return parts != null && parts.length > 0 ? parts[0] : "";
+	}
+}
diff --git a/app/src/main/java/io/github/sspanak/tt9/db/entities/WordFile.java b/app/src/main/java/io/github/sspanak/tt9/db/entities/WordFile.java
index db5a0308..e98c4c7d 100644
--- a/app/src/main/java/io/github/sspanak/tt9/db/entities/WordFile.java
+++ b/app/src/main/java/io/github/sspanak/tt9/db/entities/WordFile.java
@@ -11,7 +11,6 @@ import java.net.URL;
 import java.net.URLConnection;
 import java.nio.charset.StandardCharsets;
 
-import io.github.sspanak.tt9.BuildConfig;
 import io.github.sspanak.tt9.R;
 import io.github.sspanak.tt9.preferences.settings.SettingsStore;
 import io.github.sspanak.tt9.util.Logger;
diff --git a/app/src/main/java/io/github/sspanak/tt9/db/sqlite/ReadOps.java b/app/src/main/java/io/github/sspanak/tt9/db/sqlite/ReadOps.java
index 59559286..e82eb5ab 100644
--- a/app/src/main/java/io/github/sspanak/tt9/db/sqlite/ReadOps.java
+++ b/app/src/main/java/io/github/sspanak/tt9/db/sqlite/ReadOps.java
@@ -66,6 +66,11 @@ public class ReadOps {
 	}
 
 
+	public long countCustomWords(@NonNull SQLiteDatabase db) {
+		return CompiledQueryCache.simpleQueryForLong(db, "SELECT COUNT(*) FROM " + Tables.CUSTOM_WORDS, 0);
+	}
+
+
 	public ArrayList<String> getCustomWords(@NonNull SQLiteDatabase db, @NonNull Language language, @NonNull String wordFilter) {
 		ArrayList<String> words = new ArrayList<>();
 
diff --git a/app/src/main/java/io/github/sspanak/tt9/preferences/items/ItemExportAbstract.java b/app/src/main/java/io/github/sspanak/tt9/preferences/items/ItemExportAbstract.java
index 4f8985df..a8baad83 100644
--- a/app/src/main/java/io/github/sspanak/tt9/preferences/items/ItemExportAbstract.java
+++ b/app/src/main/java/io/github/sspanak/tt9/preferences/items/ItemExportAbstract.java
@@ -3,88 +3,30 @@ package io.github.sspanak.tt9.preferences.items;
 import androidx.preference.Preference;
 
 import io.github.sspanak.tt9.R;
-import io.github.sspanak.tt9.db.exporter.AbstractExporter;
 import io.github.sspanak.tt9.preferences.PreferencesActivity;
-import io.github.sspanak.tt9.ui.notifications.DictionaryProgressNotification;
-
-abstract public class ItemExportAbstract extends ItemClickable {
-	final protected PreferencesActivity activity;
-	final private Runnable onStart;
-	final private Runnable onFinish;
 
+abstract public class ItemExportAbstract extends ItemProcessCustomWordsAbstract {
 	public ItemExportAbstract(Preference item, PreferencesActivity activity, Runnable onStart, Runnable onFinish) {
-		super(item);
-		this.activity = activity;
-		this.onStart = onStart;
-		this.onFinish = onFinish;
-
-		AbstractExporter exporter = getExporter();
-		exporter.setFailureHandler(() -> onFinishExporting(null));
-		exporter.setStartHandler(() -> activity.runOnUiThread(this::setLoadingStatus));
-		exporter.setSuccessHandler(this::onFinishExporting);
-		refreshStatus();
+		super(item, activity, onStart, onFinish);
 	}
 
-	abstract protected AbstractExporter getExporter();
-
-
-	public ItemExportAbstract refreshStatus() {
-		if (item != null) {
-			if (getExporter().isRunning()) {
-				setLoadingStatus();
-			} else {
-				setReadyStatus();
-			}
-		}
-		return this;
-	}
-
-
 	@Override
-	protected boolean onClick(Preference p) {
-		setLoadingStatus();
-		if (!onStartExporting()) {
-			setReadyStatus();
-		}
-		return true;
+	protected String getFailureTitle() {
+		return activity.getString(R.string.dictionary_export_failed);
 	}
 
-
-	abstract protected boolean onStartExporting();
-
-
-	protected void onFinishExporting(String outputFile) {
-		activity.runOnUiThread(() -> {
-			setReadyStatus();
-
-			if (outputFile == null) {
-				DictionaryProgressNotification.getInstance(activity).showError(
-					activity.getString(R.string.dictionary_export_failed),
-					activity.getString(R.string.dictionary_export_failed_more_info)
-				);
-			} else {
-				DictionaryProgressNotification.getInstance(activity).showMessage(
-					activity.getString(R.string.dictionary_export_finished),
-					activity.getString(R.string.dictionary_export_finished_more_info, outputFile),
-					activity.getString(R.string.dictionary_export_finished_more_info, outputFile)
-				);
-			}
-		});
+	@Override
+	protected String getFailureMessage() {
+		return activity.getString(R.string.dictionary_export_failed_more_info);
 	}
 
-
-	protected void setLoadingStatus() {
-		if (onStart != null) onStart.run();
-		disable();
-
-		String loadingMessage = getExporter().getStatusMessage();
-		item.setSummary(loadingMessage);
-		DictionaryProgressNotification.getInstance(activity).showLoadingMessage(loadingMessage, "");
+	@Override
+	protected String getSuccessTitle() {
+		return activity.getString(R.string.dictionary_export_finished);
 	}
 
-
-	public void setReadyStatus() {
-		enable();
-		if (onFinish != null) onFinish.run();
+	@Override
+	protected String getSuccessMessage(String fileName) {
+		return activity.getString(R.string.dictionary_export_finished_more_info, fileName);
 	}
 }
diff --git a/app/src/main/java/io/github/sspanak/tt9/preferences/items/ItemProcessCustomWordsAbstract.java b/app/src/main/java/io/github/sspanak/tt9/preferences/items/ItemProcessCustomWordsAbstract.java
new file mode 100644
index 00000000..7a2d2953
--- /dev/null
+++ b/app/src/main/java/io/github/sspanak/tt9/preferences/items/ItemProcessCustomWordsAbstract.java
@@ -0,0 +1,97 @@
+package io.github.sspanak.tt9.preferences.items;
+
+import androidx.preference.Preference;
+
+import io.github.sspanak.tt9.db.customWords.AbstractFileProcessor;
+import io.github.sspanak.tt9.preferences.PreferencesActivity;
+import io.github.sspanak.tt9.ui.notifications.DictionaryProgressNotification;
+
+abstract public class ItemProcessCustomWordsAbstract extends ItemClickable {
+	final protected PreferencesActivity activity;
+	final private Runnable onStart;
+	final private Runnable onFinish;
+
+
+	public ItemProcessCustomWordsAbstract(Preference item, PreferencesActivity activity, Runnable onStart, Runnable onFinish) {
+		super(item);
+		this.activity = activity;
+		this.onStart = onStart;
+		this.onFinish = onFinish;
+
+		AbstractFileProcessor processor = getProcessor();
+		processor.setFailureHandler(() -> onFinishProcessing(null));
+		processor.setStartHandler(() -> activity.runOnUiThread(this::setLoadingStatus));
+		processor.setSuccessHandler(this::onFinishProcessing);
+		refreshStatus();
+	}
+
+
+	abstract protected AbstractFileProcessor getProcessor();
+
+
+	public ItemProcessCustomWordsAbstract refreshStatus() {
+		if (item != null) {
+			if (getProcessor().isRunning()) {
+				setLoadingStatus();
+			} else {
+				setReadyStatus();
+			}
+		}
+		return this;
+	}
+
+
+	@Override
+	protected boolean onClick(Preference p) {
+		setLoadingStatus();
+		if (!onStartProcessing()) {
+			setReadyStatus();
+		}
+		return true;
+	}
+
+
+	abstract protected boolean onStartProcessing();
+
+
+	protected void onFinishProcessing(String fileName) {
+		activity.runOnUiThread(() -> {
+			setReadyStatus();
+
+			if (fileName == null) {
+				DictionaryProgressNotification.getInstance(activity).showError(
+					getFailureTitle(),
+					getFailureMessage()
+				);
+			} else {
+				DictionaryProgressNotification.getInstance(activity).showMessage(
+					getSuccessTitle(),
+					getSuccessMessage(fileName),
+					getSuccessMessage(fileName)
+				);
+			}
+		});
+	}
+
+
+	abstract protected String getFailureMessage();
+	abstract protected String getFailureTitle();
+	abstract protected String getSuccessMessage(String fileName);
+	abstract protected String getSuccessTitle();
+
+
+	protected void setLoadingStatus() {
+		if (onStart != null) onStart.run();
+		disable();
+
+		String loadingMessage = getProcessor().getStatusMessage();
+		item.setSummary(loadingMessage);
+		DictionaryProgressNotification.getInstance(activity).showLoadingMessage(loadingMessage, "");
+	}
+
+
+	public void setReadyStatus() {
+		enable();
+		if (onFinish != null) onFinish.run();
+	}
+}
diff --git a/app/src/main/java/io/github/sspanak/tt9/preferences/screens/debug/DebugScreen.java b/app/src/main/java/io/github/sspanak/tt9/preferences/screens/debug/DebugScreen.java
index 4ae7addb..566a8bb4 100644
--- a/app/src/main/java/io/github/sspanak/tt9/preferences/screens/debug/DebugScreen.java
+++ b/app/src/main/java/io/github/sspanak/tt9/preferences/screens/debug/DebugScreen.java
@@ -3,7 +3,7 @@ package io.github.sspanak.tt9.preferences.screens.debug;
 import androidx.preference.SwitchPreferenceCompat;
 
 import io.github.sspanak.tt9.R;
-import io.github.sspanak.tt9.db.exporter.LogcatExporter;
+import io.github.sspanak.tt9.db.customWords.LogcatExporter;
 import io.github.sspanak.tt9.hacks.DeviceInfo;
 import io.github.sspanak.tt9.preferences.PreferencesActivity;
 import io.github.sspanak.tt9.preferences.items.ItemText;
diff --git a/app/src/main/java/io/github/sspanak/tt9/preferences/screens/debug/ItemExportLogcat.java b/app/src/main/java/io/github/sspanak/tt9/preferences/screens/debug/ItemExportLogcat.java
index 3aaa9e8a..825d082a 100644
--- a/app/src/main/java/io/github/sspanak/tt9/preferences/screens/debug/ItemExportLogcat.java
+++ b/app/src/main/java/io/github/sspanak/tt9/preferences/screens/debug/ItemExportLogcat.java
@@ -2,7 +2,7 @@ package io.github.sspanak.tt9.preferences.screens.debug;
 
 import androidx.preference.Preference;
 
-import io.github.sspanak.tt9.db.exporter.LogcatExporter;
+import io.github.sspanak.tt9.db.customWords.LogcatExporter;
 import io.github.sspanak.tt9.preferences.PreferencesActivity;
 import io.github.sspanak.tt9.preferences.items.ItemExportAbstract;
 import io.github.sspanak.tt9.ui.notifications.DictionaryProgressNotification;
@@ -15,17 +15,17 @@ public class ItemExportLogcat extends ItemExportAbstract {
 	}
 
 	@Override
-	protected LogcatExporter getExporter() {
+	protected LogcatExporter getProcessor() {
 		return LogcatExporter.getInstance();
 	}
 
 	@Override
-	protected boolean onStartExporting() {
-		return getExporter().setIncludeSystemLogs(activity.getSettings().getEnableSystemLogs()).export(activity);
+	protected boolean onStartProcessing() {
+		return getProcessor().setIncludeSystemLogs(activity.getSettings().getEnableSystemLogs()).run(activity);
 	}
 
 	@Override
-	protected void onFinishExporting(String outputFile) {
+	protected void onFinishProcessing(String outputFile) {
 		activity.runOnUiThread(() -> {
 			DictionaryProgressNotification.getInstance(activity).hide();
 			setReadyStatus();
diff --git a/app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/ItemExportCustomWords.java b/app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/ItemExportCustomWords.java
index 213d270f..8cc49ead 100644
--- a/app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/ItemExportCustomWords.java
+++ b/app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/ItemExportCustomWords.java
@@ -3,7 +3,7 @@ package io.github.sspanak.tt9.preferences.screens.languages;
 import androidx.preference.Preference;
 
 import io.github.sspanak.tt9.R;
-import io.github.sspanak.tt9.db.exporter.CustomWordsExporter;
+import io.github.sspanak.tt9.db.customWords.CustomWordsExporter;
 import io.github.sspanak.tt9.preferences.PreferencesActivity;
 import io.github.sspanak.tt9.preferences.items.ItemExportAbstract;
 
@@ -15,12 +15,12 @@ class ItemExportCustomWords extends ItemExportAbstract {
 	}
 
 	@Override
-	protected CustomWordsExporter getExporter() {
+	protected CustomWordsExporter getProcessor() {
 		return CustomWordsExporter.getInstance();
 	}
 
-	protected boolean onStartExporting() {
-		return CustomWordsExporter.getInstance().export(activity);
+	protected boolean onStartProcessing() {
+		return CustomWordsExporter.getInstance().run(activity);
 	}
 
 	public void setReadyStatus() {
diff --git a/app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/ItemExportDictionary.java b/app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/ItemExportDictionary.java
index 5dd98486..1f3f1320 100644
--- a/app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/ItemExportDictionary.java
+++ b/app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/ItemExportDictionary.java
@@ -2,10 +2,11 @@ package io.github.sspanak.tt9.preferences.screens.languages;
 
 import androidx.preference.Preference;
 
-import io.github.sspanak.tt9.db.exporter.DictionaryExporter;
+import io.github.sspanak.tt9.db.customWords.DictionaryExporter;
 import io.github.sspanak.tt9.languages.LanguageCollection;
 import io.github.sspanak.tt9.preferences.PreferencesActivity;
 import io.github.sspanak.tt9.preferences.items.ItemExportAbstract;
+import io.github.sspanak.tt9.preferences.items.ItemProcessCustomWordsAbstract;
 import io.github.sspanak.tt9.util.Logger;
 
 class ItemExportDictionary extends ItemExportAbstract {
@@ -16,7 +17,7 @@ class ItemExportDictionary extends ItemExportAbstract {
 	}
 
 	@Override
-	public ItemExportAbstract refreshStatus() {
+	public ItemProcessCustomWordsAbstract refreshStatus() {
 		if (item != null) {
 			item.setVisible(Logger.isDebugLevel());
 		}
@@ -24,14 +25,14 @@ class ItemExportDictionary extends ItemExportAbstract {
 	}
 
 	@Override
-	protected DictionaryExporter getExporter() {
+	protected DictionaryExporter getProcessor() {
 		return DictionaryExporter.getInstance();
 	}
 
-	protected boolean onStartExporting() {
+	protected boolean onStartProcessing() {
 		return DictionaryExporter.getInstance()
 			.setLanguages(LanguageCollection.getAll(activity, activity.getSettings().getEnabledLanguageIds()))
-			.export(activity);
+			.run(activity);
 	}
 
 	public void setReadyStatus() {
diff --git a/app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/ItemImportCustomWords.java b/app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/ItemImportCustomWords.java
new file mode 100644
index 00000000..b41d64ae
--- /dev/null
+++ b/app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/ItemImportCustomWords.java
@@ -0,0 +1,130 @@
+package io.github.sspanak.tt9.preferences.screens.languages;
+
+import android.app.Activity;
+import android.content.Intent;
+
+import androidx.activity.result.ActivityResult;
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.preference.Preference;
+
+import io.github.sspanak.tt9.R;
+import io.github.sspanak.tt9.db.customWords.CustomWordsImporter;
+import io.github.sspanak.tt9.db.entities.CustomWordFile;
+import io.github.sspanak.tt9.preferences.PreferencesActivity;
+import io.github.sspanak.tt9.preferences.items.ItemProcessCustomWordsAbstract;
+import io.github.sspanak.tt9.ui.notifications.DictionaryProgressNotification;
+import io.github.sspanak.tt9.util.Logger;
+
+public class ItemImportCustomWords extends ItemProcessCustomWordsAbstract {
+	final public static String NAME = "dictionary_import_custom";
+
+	private ActivityResultLauncher<Intent> importCustomWordsLauncher;
+	private CustomWordsImporter importer;
+
+	private String lastError;
+
+	public ItemImportCustomWords(Preference item, PreferencesActivity activity, Runnable onStart, Runnable onFinish) {
+		super(item, activity, onStart, onFinish);
+	}
+
+	@Override
+	protected CustomWordsImporter getProcessor() {
+		if (importer == null) {
+			importer = CustomWordsImporter.getInstance(activity);
+			importer.setFailureHandler(this::onFailure);
+			importer.setProgressHandler(this::onProgress);
+		}
+		return importer;
+	}
+
+	@Override
+	protected boolean onClick(Preference p) {
+		browseFiles();
+		return true;
+	}
+
+	@Override
+	protected boolean onStartProcessing() {
+		lastError = "";
+		return false;
+	}
+
+	private void onProgress(int progress) {
+		String loadingMsg = activity.getString(R.string.dictionary_import_progress, progress + "%");
+
+		DictionaryProgressNotification.getInstance(activity).showLoadingMessage(loadingMsg, "", progress, 100);
+		activity.runOnUiThread(() -> item.setSummary(loadingMsg));
+	}
+
+	private void onFailure(String error) {
+		lastError = error;
+		onFinishProcessing(null);
+	}
+
+	@Override
+	protected String getFailureMessage() {
+		return lastError;
+	}
+
+	@Override
+	protected String getFailureTitle() {
+		return activity.getString(R.string.dictionary_import_failed);
+	}
+
+	@Override
+	protected String getSuccessMessage(String fileName) {
+		return "";
+	}
+
+	@Override
+	protected String getSuccessTitle() {
+		return activity.getString(R.string.dictionary_import_finished);
+	}
+
+	@Override
+	public void setReadyStatus() {
+		item.setSummary(R.string.dictionary_import_custom_words_summary);
+		super.setReadyStatus();
+	}
+
+	void setBrowseFilesLauncher(ActivityResultLauncher<Intent> launcher) {
+		if (item != null) {
+			item.setEnabled(true);
+		}
+		importCustomWordsLauncher = launcher;
+	}
+
+	private void browseFiles() {
+		if (importCustomWordsLauncher == null) {
+			Logger.w(getClass().getSimpleName(), "No file browser launcher set");
+			return;
+		}
+
+		Intent intent = new Intent()
+			.addCategory(Intent.CATEGORY_OPENABLE)
+			.setType(CustomWordFile.MIME_TYPE)
+			.setAction(Intent.ACTION_GET_CONTENT);
+
+		importCustomWordsLauncher.launch(intent);
+	}
+
+	void onFileSelected(ActivityResult result) {
+		if (result.getResultCode() != Activity.RESULT_OK) {
+			onFailure(activity.getString(R.string.dictionary_import_error_browsing_error));
+			Logger.e(getClass().getSimpleName(), "File picker activity failed with code: " + result.getResultCode());
+			return;
+		}
+
+		CustomWordFile file = new CustomWordFile(
+			result.getData() != null ? result.getData().getData() : null,
+			activity.getContentResolver()
+		);
+
+		if (!file.exists()) {
+			onFailure(activity.getString(R.string.dictionary_import_error_cannot_read_file));
+			return;
+		}
+
+		getProcessor().run(activity, file);
+	}
+}
diff --git a/app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/LanguagesScreen.java b/app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/LanguagesScreen.java
index 3ff297fb..0a6049a1 100644
--- a/app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/LanguagesScreen.java
+++ b/app/src/main/java/io/github/sspanak/tt9/preferences/screens/languages/LanguagesScreen.java
@@ -1,11 +1,17 @@
 package io.github.sspanak.tt9.preferences.screens.languages;
 
+import android.content.Intent;
+
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
+
 import java.util.ArrayList;
 
 import io.github.sspanak.tt9.R;
 import io.github.sspanak.tt9.db.DictionaryLoader;
-import io.github.sspanak.tt9.db.exporter.CustomWordsExporter;
-import io.github.sspanak.tt9.db.exporter.DictionaryExporter;
+import io.github.sspanak.tt9.db.customWords.CustomWordsExporter;
+import io.github.sspanak.tt9.db.customWords.CustomWordsImporter;
+import io.github.sspanak.tt9.db.customWords.DictionaryExporter;
 import io.github.sspanak.tt9.preferences.PreferencesActivity;
 import io.github.sspanak.tt9.preferences.items.ItemClickable;
 import io.github.sspanak.tt9.preferences.screens.BaseScreenFragment;
@@ -16,6 +22,7 @@ public class LanguagesScreen extends BaseScreenFragment {
 	private final ArrayList<ItemClickable> clickables = new ArrayList<>();
 
 	private ItemLoadDictionary loadItem;
+	private ItemImportCustomWords importCustomWordsItem;
 	private ItemExportDictionary exportDictionaryItem;
 	private ItemExportCustomWords exportCustomWordsItem;
 
@@ -39,13 +46,15 @@ public class LanguagesScreen extends BaseScreenFragment {
 			.populate()
 			.enableClickHandler();
 
-		loadItem = new ItemLoadDictionary(findPreference(ItemLoadDictionary.NAME),
+		loadItem = new ItemLoadDictionary(
+			findPreference(ItemLoadDictionary.NAME),
 			activity,
 			() -> ItemClickable.disableOthers(clickables, loadItem),
 			this::onActionFinish
 		);
 
-		exportDictionaryItem = new ItemExportDictionary(findPreference(ItemExportDictionary.NAME),
+		exportDictionaryItem = new ItemExportDictionary(
+			findPreference(ItemExportDictionary.NAME),
 			activity,
 			this::onActionStart,
 			this::onActionFinish
@@ -74,14 +83,23 @@ public class LanguagesScreen extends BaseScreenFragment {
 			findPreference(ItemExportCustomWords.NAME),
 			activity,
 			this::onActionStart,
-			this::onActionFinish);
-
+			this::onActionFinish
+		);
 		clickables.add(exportCustomWordsItem);
 
+		importCustomWordsItem = new ItemImportCustomWords(
+			findPreference(ItemImportCustomWords.NAME),
+			activity,
+			this::onActionStart,
+			this::onActionFinish
+		);
+		clickables.add(importCustomWordsItem);
+
 		ItemClickable.enableAllClickHandlers(clickables);
 		refreshItems();
 
 		resetFontSize(false);
+		createBrowseFilesLauncher();
 	}
 
 
@@ -96,11 +114,16 @@ public class LanguagesScreen extends BaseScreenFragment {
 		loadItem.refreshStatus();
 		exportDictionaryItem.refreshStatus();
 		exportCustomWordsItem.refreshStatus();
+		importCustomWordsItem.refreshStatus();
 
 		if (DictionaryLoader.getInstance(activity).isRunning()) {
 			loadItem.refreshStatus();
 			ItemClickable.disableOthers(clickables, loadItem);
-		} else if (CustomWordsExporter.getInstance().isRunning() || DictionaryExporter.getInstance().isRunning()) {
+		} else if (
+			CustomWordsExporter.getInstance().isRunning()
+			|| DictionaryExporter.getInstance().isRunning()
+			|| CustomWordsImporter.getInstance(activity).isRunning()
+		) {
 			onActionStart();
 		} else {
 			onActionFinish();
@@ -115,4 +138,13 @@ public class LanguagesScreen extends BaseScreenFragment {
 	private void onActionFinish() {
 		ItemClickable.enableAll(clickables);
 	}
+
+	private void createBrowseFilesLauncher() {
+		ActivityResultLauncher<Intent> launcher = registerForActivityResult(
+			new ActivityResultContracts.StartActivityForResult(),
+			result -> importCustomWordsItem.onFileSelected(result)
+		);
+
+		importCustomWordsItem.setBrowseFilesLauncher(launcher);
+	}
 }
diff --git a/app/src/main/java/io/github/sspanak/tt9/preferences/settings/SettingsStore.java b/app/src/main/java/io/github/sspanak/tt9/preferences/settings/SettingsStore.java
index e637df6e..08876512 100644
--- a/app/src/main/java/io/github/sspanak/tt9/preferences/settings/SettingsStore.java
+++ b/app/src/main/java/io/github/sspanak/tt9/preferences/settings/SettingsStore.java
@@ -9,6 +9,8 @@ public class SettingsStore extends SettingsUI {
 	/************* internal settings *************/
 	public final static int CLIPBOARD_PREVIEW_LENGTH = 20;
 	public final static int DELETE_WORDS_SEARCH_DELAY = 500; // ms
+	public final static int CUSTOM_WORDS_IMPORT_MAX_LINES = 250;
+	public final static int CUSTOM_WORDS_MAX = 1000;
 	public final static int DICTIONARY_AUTO_LOAD_COOLDOWN_TIME = 1200000; // 20 minutes in ms
 	public final static int DICTIONARY_DOWNLOAD_CONNECTION_TIMEOUT = 10000; // ms
 	public final static int DICTIONARY_DOWNLOAD_READ_TIMEOUT = 10000; // ms
diff --git a/app/src/main/java/io/github/sspanak/tt9/ui/notifications/DictionaryProgressNotification.java b/app/src/main/java/io/github/sspanak/tt9/ui/notifications/DictionaryProgressNotification.java
index e2ffc2e8..661d9374 100644
--- a/app/src/main/java/io/github/sspanak/tt9/ui/notifications/DictionaryProgressNotification.java
+++ b/app/src/main/java/io/github/sspanak/tt9/ui/notifications/DictionaryProgressNotification.java
@@ -50,12 +50,17 @@ public class DictionaryProgressNotification extends DictionaryNotification {
 
 
 	public void showLoadingMessage(@NonNull String title, @NonNull String message) {
+		showLoadingMessage(title, message, 0, 1);
+	}
+
+
+	public void showLoadingMessage(@NonNull String title, @NonNull String message, int progress, int maxProgress) {
 		this.title = title;
 		this.message = message;
 		messageLong = "";
-		indeterminate = true;
-		progress = 1;
-		maxProgress = 2;
+		this.progress = progress;
+		this.maxProgress = maxProgress;
+		indeterminate = (progress <= 0 && maxProgress <= 0);
 		renderMessage();
 	}
 
diff --git a/app/src/main/res/values-bg/strings.xml b/app/src/main/res/values-bg/strings.xml
index b80edc5f..d448d597 100644
--- a/app/src/main/res/values-bg/strings.xml
+++ b/app/src/main/res/values-bg/strings.xml
@@ -54,6 +54,13 @@
 	<string name="dictionary_export_custom_words_summary">Експортиране на CSV с всички добавени думи в: „%1$s“.</string>
 	<string name="dictionary_export_failed">Неуспешно експортиране</string>
 	<string name="dictionary_export_failed_more_info">За повече информация, активирайте режима за отстраняване на грешки и прегледайте журнала.</string>
+	<string name="dictionary_import_failed">Неуспешно импортиране.</string>
+	<string name="dictionary_import_finished">Импортирането завърши.</string>
+	<string name="dictionary_import_error_browsing_error">Грешка при избора на файлове в Android.</string>
+	<string name="dictionary_import_error_cannot_read_file">Избраният файл не може да бъде отворен.</string>
+	<string name="dictionary_import_error_file_too_long">Думите надвишават максимално допустимия брой от %1$d.</string>
+	<string name="dictionary_import_error_malformed_line">Неочакван формат на дума: „%1$s“ на ред %2$d.</string>
+	<string name="dictionary_import_error_too_many_words">Хранилището за добавени думи е пълно. Не можете да импортирате повече думи.</string>
 	<string name="delete_words_delete">Изтрий</string>
 	<string name="delete_words_link_summary">Намери и изтрий на неправилно написани или ненужни думи.</string>
 	<string name="delete_words_search_placeholder">Търси думи</string>
@@ -154,4 +161,8 @@
 	<string name="function_select_keyboard">Избор на клавиатура</string>
 	<string name="function_voice_input">Гласово въвеждане</string>
 	<string name="add_word_no_confirmation">Добавяне без потвърждение</string>
+	<string name="dictionary_import_custom_words">Импортиране</string>
+	<string name="dictionary_import_custom_words_summary">Импортиране на думи от по-рано експортирано CSV.</string>
+	<string name="dictionary_import_progress">Импортиране на CSV (%1$s)…</string>
+	<string name="dictionary_import_running">Импортиране на CSV…</string>
 </resources>
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 3aceabac..896d4163 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -92,6 +92,13 @@
 	<string name="dictionary_export_custom_words_summary">Exportiere ein CSV mit allen hinzugefügten Wörtern nach: „%1$s“.</string>
 	<string name="dictionary_export_failed">Export fehlgeschlagen</string>
 	<string name="dictionary_export_failed_more_info">Für weitere Informationen, aktivieren Sie den Debug-Modus und sehen Sie sich die Protokolle an.</string>
+	<string name="dictionary_import_failed">Importieren fehlgeschlagen.</string>
+	<string name="dictionary_import_finished">Importieren abgeschlossen.</string>
+	<string name="dictionary_import_error_browsing_error">Fehler beim Dateiauswahl von Android.</string>
+	<string name="dictionary_import_error_cannot_read_file">Die ausgewählte Datei konnte nicht geöffnet werden.</string>
+	<string name="dictionary_import_error_file_too_long">Die Anzahl der Wörter überschreitet die maximal erlaubte Anzahl von %1$d.</string>
+	<string name="dictionary_import_error_malformed_line">Unerwartetes Wortformat: \"%1$s\" in Zeile %2$d.</string>
+	<string name="dictionary_import_error_too_many_words">Der Speicher für hinzugefügte Wörter ist voll. Sie können keine weiteren Wörter importieren.</string>
 	<string name="delete_words_delete">Löschen</string>
 	<string name="delete_words_link_summary">Finde und lösche falsch geschriebene oder überflüssige Wörter.</string>
 	<string name="delete_words_search_placeholder">Nach Wörtern suchen</string>
@@ -143,4 +150,8 @@
 	<string name="virtual_numpad_alignment_right">Rechts</string>
 	<string name="function_select_keyboard">Tastaturauswahl</string>
 	<string name="add_word_no_confirmation">Ohne Bestätigung hinzufügen</string>
+	<string name="dictionary_import_custom_words">Importieren</string>
+	<string name="dictionary_import_custom_words_summary">Wörter aus einer zuvor exportierten CSV-Datei importieren.</string>
+	<string name="dictionary_import_progress">CSV importieren (%1$s)…</string>
+	<string name="dictionary_import_running">CSV importieren…</string>
 </resources>
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index 7a4301d3..2cb35729 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -105,6 +105,13 @@
 	<string name="dictionary_export_custom_words_summary">Exportar un CSV con todas las palabras añadidas a: \"%1$s\".</string>
 	<string name="dictionary_export_failed">Fallo en la exportación</string>
 	<string name="dictionary_export_failed_more_info">Para obtener más información, habilita el modo de depuración y consulta los registros.</string>
+	<string name="dictionary_import_failed">La importación falló.</string>
+	<string name="dictionary_import_finished">La importación se completó.</string>
+	<string name="dictionary_import_error_browsing_error">Error del selector de archivos de Android.</string>
+	<string name="dictionary_import_error_cannot_read_file">No se pudo abrir el archivo seleccionado.</string>
+	<string name="dictionary_import_error_file_too_long">El número de palabras excede el límite máximo permitido de %1$d.</string>
+	<string name="dictionary_import_error_malformed_line">Formato de palabra inesperado: \"%1$s\" en la línea %2$d.</string>
+	<string name="dictionary_import_error_too_many_words">El almacenamiento de palabras añadidas está lleno. No puede importar más palabras.</string>
 	<string name="delete_words_delete">Eliminar</string>
 	<string name="delete_words_link_summary">Buscar y eliminar palabras mal escritas o innecesarias.</string>
 	<string name="delete_words_search_placeholder">Buscar palabras</string>
@@ -152,4 +159,8 @@
 	<string name="virtual_numpad_alignment_right">A la derecha</string>
 	<string name="function_select_keyboard">Cambiar el teclado</string>
 	<string name="add_word_no_confirmation">Añadir sin confirmación</string>
+	<string name="dictionary_import_custom_words">Importar</string>
+	<string name="dictionary_import_custom_words_summary">Importar palabras de un CSV previamente exportado.</string>
+	<string name="dictionary_import_progress">Importando CSV (%1$s)…</string>
+	<string name="dictionary_import_running">Importando CSV…</string>
 </resources>
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index e1b2f64b..17d80d94 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -107,6 +107,13 @@
 	<string name="dictionary_export_custom_words_summary">Exporter un CSV avec tous les mots ajoutés vers : «%1$s».</string>
 	<string name="dictionary_export_failed">Échec de l\'exportation</string>
 	<string name="dictionary_export_failed_more_info">Pour plus d\'informations, activez le mode de débogage et consultez les journaux.</string>
+	<string name="dictionary_import_failed">L\'importation a échoué.</string>
+	<string name="dictionary_import_finished">Importation terminée.</string>
+	<string name="dictionary_import_error_browsing_error">Erreur du sélecteur de fichiers d\'Android.</string>
+	<string name="dictionary_import_error_cannot_read_file">Impossible d\'ouvrir le fichier sélectionné.</string>
+	<string name="dictionary_import_error_file_too_long">Le nombre de mots dépasse le nombre maximal autorisé de %1$d.</string>
+	<string name="dictionary_import_error_malformed_line">Format de mot inattendu : « %1$s » à la ligne %2$d.</string>
+	<string name="dictionary_import_error_too_many_words">Le stockage des mots ajoutés est plein. Vous ne pouvez plus importer de mots.</string>
 	<string name="delete_words_delete">Supprimer</string>
 	<string name="delete_words_link_summary">Trouver et supprimer des mots mal orthographiés ou inutiles.</string>
 	<string name="delete_words_search_placeholder">Rechercher des mots</string>
@@ -150,4 +157,8 @@
 	<string name="virtual_numpad_alignment_right">À droite</string>
 	<string name="function_select_keyboard">Choisir le clavier</string>
 	<string name="add_word_no_confirmation">Ajouter sans confirmation</string>
+	<string name="dictionary_import_custom_words">Importer</string>
+	<string name="dictionary_import_custom_words_summary">Importer des mots à partir d\'un fichier CSV précédemment exporté.</string>
+	<string name="dictionary_import_progress">Importation de CSV (%1$s)…</string>
+	<string name="dictionary_import_running">Importation de CSV…</string>
 </resources>
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index 2e494304..df6a68fd 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -92,6 +92,13 @@
 	<string name="dictionary_export_custom_words_summary">Esporta un CSV con tutte le parole aggiunte su: \"%1$s\".</string>
 	<string name="dictionary_export_failed">Esportazione fallita</string>
 	<string name="dictionary_export_failed_more_info">Per ulteriori informazioni, abilita la modalità di debug e consulta i log.</string>
+	<string name="dictionary_import_failed">Importazione fallita.</string>
+	<string name="dictionary_import_finished">Importazione completata.</string>
+	<string name="dictionary_import_error_browsing_error">Errore del selettore di file di Android.</string>
+	<string name="dictionary_import_error_cannot_read_file">Impossibile aprire il file selezionato.</string>
+	<string name="dictionary_import_error_file_too_long">Le parole superano il numero massimo consentito di %1$d.</string>
+	<string name="dictionary_import_error_malformed_line">Formato di parola imprevisto: \"%1$s\" alla linea %2$d.</string>
+	<string name="dictionary_import_error_too_many_words">Lo spazio di archiviazione delle parole aggiunte è pieno. Non è possibile importare altre parole.</string>
 	<string name="delete_words_delete">Elimina</string>
 	<string name="delete_words_link_summary">Trova ed elimina parole errate o non necessarie.</string>
 	<string name="delete_words_search_placeholder">Ricerca di parole</string>
@@ -142,5 +149,9 @@
 	<string name="virtual_numpad_alignment_left">A sinistra</string>
 	<string name="virtual_numpad_alignment_right">A destra</string>
 	<string name="add_word_no_confirmation">Aggiungere senza conferma</string>
+	<string name="dictionary_import_custom_words">Importare</string>
+	<string name="dictionary_import_custom_words_summary">Importare parole da un CSV precedentemente esportato.</string>
+	<string name="dictionary_import_progress">Importazione CSV (%1$s)…</string>
+	<string name="dictionary_import_running">Importazione CSV…</string>
 </resources>
 
diff --git a/app/src/main/res/values-iw/strings.xml b/app/src/main/res/values-iw/strings.xml
index 1ba5d674..76a6c665 100644
--- a/app/src/main/res/values-iw/strings.xml
+++ b/app/src/main/res/values-iw/strings.xml
@@ -105,6 +105,13 @@
 	<string name="dictionary_export_custom_words_summary">ייצוא CSV עם כל המילים שנוספו ל: \"%1$s\".</string>
 	<string name="dictionary_export_failed">נכשל בייצוא</string>
 	<string name="dictionary_export_failed_more_info">"למידע נוסף, הפעל מצב איתור באגים וראה את הלוגים. "</string>
+	<string name="dictionary_import_failed">הייבוא נכשל.</string>
+	<string name="dictionary_import_finished">הייבוא הושלם.</string>
+	<string name="dictionary_import_error_browsing_error">שגיאת בורר הקבצים של Android.</string>
+	<string name="dictionary_import_error_cannot_read_file">לא ניתן לפתוח את הקובץ שנבחר.</string>
+	<string name="dictionary_import_error_file_too_long">מספר המילים חורג מהמכסה המקסימלית של %1$d.</string>
+	<string name="dictionary_import_error_malformed_line">תבנית מילה בלתי צפויה: \"%1$s\" בשורה %2$d.</string>
+	<string name="dictionary_import_error_too_many_words">אחסון המילים שהתווספו מלא. אינך יכול לייבא עוד מילים.</string>
 	<string name="delete_words_delete">מחיקה</string>
 	<string name="delete_words_link_summary">מצא ומחק מילים שכתובות בטעות או שאינן נדרשות.</string>
 	<string name="delete_words_search_placeholder">חיפוש מילים</string>
@@ -155,4 +162,8 @@
 	<string name="virtual_numpad_alignment_right">ימינה</string>
 	<string name="function_select_keyboard">בחירת מקלדת</string>
 	<string name="add_word_no_confirmation">להוסיף ללא אישור</string>
+	<string name="dictionary_import_custom_words">לְיַבֵּא</string>
+	<string name="dictionary_import_custom_words_summary">ייבוא מילים מקובץ CSV שיוצא קודם לכן.</string>
+	<string name="dictionary_import_progress">מייבא CSV (%1$s)…</string>
+	<string name="dictionary_import_running">מייבא CSV…</string>
 </resources>
diff --git a/app/src/main/res/values-lt/strings.xml b/app/src/main/res/values-lt/strings.xml
index 752f5634..0e77194b 100644
--- a/app/src/main/res/values-lt/strings.xml
+++ b/app/src/main/res/values-lt/strings.xml
@@ -124,6 +124,13 @@
 	<string name="dictionary_export_finished_more_info">Žodžiai eksportuoti į: „%1$s“.</string>
 	<string name="dictionary_export_generating_csv">Eksportuojama CSV…</string>
 	<string name="dictionary_export_generating_csv_for_language">Eksportuojama CSV (%1$s)…</string>
+	<string name="dictionary_import_failed">Importuoti nepavyko.</string>
+	<string name="dictionary_import_finished">Importavimas baigtas.</string>
+	<string name="dictionary_import_error_browsing_error">Android failų pasirinkimo klaida.</string>
+	<string name="dictionary_import_error_cannot_read_file">Nepavyko atidaryti pasirinkto failo.</string>
+	<string name="dictionary_import_error_file_too_long">Žodžių skaičius viršija leistiną maksimumą %1$d.</string>
+	<string name="dictionary_import_error_malformed_line">Nenumatytas žodžio formatas: „%1$s“ eilutėje %2$d.</string>
+	<string name="dictionary_import_error_too_many_words">Pridėtų žodžių saugykla yra pilna. Daugiau žodžių importuoti negalite.</string>
 	<string name="delete_words_delete">Ištrinti</string>
 	<string name="delete_words_link_summary">Raskite ir ištrinkite neteisingai parašytus arba nereikalingus žodžius.</string>
 	<string name="delete_words_search_placeholder">Ieškoti žodžių</string>
@@ -161,4 +168,8 @@
 	<string name="virtual_numpad_alignment_right">Dešinėje</string>
 	<string name="function_select_keyboard">Keisti klaviatūrą</string>
 	<string name="add_word_no_confirmation">Pridėti be patvirtinimo</string>
+	<string name="dictionary_import_custom_words">Importuoti</string>
+	<string name="dictionary_import_custom_words_summary">Importuoti žodžius iš anksčiau eksportuoto CSV.</string>
+	<string name="dictionary_import_progress">Importuojamas CSV (%1$s)…</string>
+	<string name="dictionary_import_running">Importuojamas CSV…</string>
 </resources>
diff --git a/app/src/main/res/values-nl/strings.xml b/app/src/main/res/values-nl/strings.xml
index da1b249a..70eefe76 100644
--- a/app/src/main/res/values-nl/strings.xml
+++ b/app/src/main/res/values-nl/strings.xml
@@ -90,6 +90,13 @@
 	<string name="dictionary_export_custom_words_summary">Exporteer een CSV met alle toegevoegde woorden naar: \"%1$s\".</string>
 	<string name="dictionary_export_failed">Exporteren mislukt</string>
 	<string name="dictionary_export_failed_more_info">Voor meer informatie, schakel de debug-modus in en bekijk de logs.</string>
+	<string name="dictionary_import_failed">Importeren mislukt.</string>
+	<string name="dictionary_import_finished">Importeren voltooid.</string>
+	<string name="dictionary_import_error_browsing_error">Fout bij het selecteren van bestanden in Android.</string>
+	<string name="dictionary_import_error_cannot_read_file">Kan het geselecteerde bestand niet openen.</string>
+	<string name="dictionary_import_error_file_too_long">Woorden overschrijden het maximaal toegestane aantal van %1$d.</string>
+	<string name="dictionary_import_error_malformed_line">Onverwacht woordformaat: \"%1$s\" op regel %2$d.</string>
+	<string name="dictionary_import_error_too_many_words">De opslag voor toegevoegde woorden is vol. U kunt geen woorden meer importeren.</string>
 	<string name="delete_words_delete">Verwijderen</string>
 	<string name="delete_words_link_summary">Zoek en verwijder verkeerd gespelde of onnodige woorden.</string>
 	<string name="delete_words_search_placeholder">Zoeken naar woorden</string>
@@ -141,4 +148,8 @@
 	<string name="virtual_numpad_alignment_right">Rechts</string>
 	<string name="function_select_keyboard">Toetsenbordkeuze</string>
 	<string name="add_word_no_confirmation">Toevoegen zonder bevestiging</string>
+	<string name="dictionary_import_custom_words">Importeren</string>
+	<string name="dictionary_import_custom_words_summary">Woorden importeren uit een eerder geëxporteerde CSV.</string>
+	<string name="dictionary_import_progress">CSV importeren (%1$s)…</string>
+	<string name="dictionary_import_running">CSV importeren…</string>
 </resources>
diff --git a/app/src/main/res/values-pt-rBR/strings.xml b/app/src/main/res/values-pt-rBR/strings.xml
index 81d75cd0..b1f00e39 100644
--- a/app/src/main/res/values-pt-rBR/strings.xml
+++ b/app/src/main/res/values-pt-rBR/strings.xml
@@ -105,6 +105,13 @@
 	<string name="dictionary_export_custom_words_summary">Exportar um CSV com todas as palavras adicionadas para: \"%1$s\".</string>
 	<string name="dictionary_export_failed">Falha na exportação</string>
 	<string name="dictionary_export_failed_more_info">Para mais informações, ative o modo de depuração e veja os registros.</string>
+	<string name="dictionary_import_failed">Importação falhou.</string>
+	<string name="dictionary_import_finished">Importação concluída.</string>
+	<string name="dictionary_import_error_browsing_error">Erro no seletor de arquivos do Android.</string>
+	<string name="dictionary_import_error_cannot_read_file">Não foi possível abrir o arquivo selecionado.</string>
+	<string name="dictionary_import_error_file_too_long">O número de palavras excede o máximo permitido de %1$d.</string>
+	<string name="dictionary_import_error_malformed_line">Formato de palavra inesperado: \"%1$s\" na linha %2$d.</string>
+	<string name="dictionary_import_error_too_many_words">O armazenamento de palavras adicionadas está cheio. Você não pode importar mais palavras.</string>
 	<string name="delete_words_delete">Excluir</string>
 	<string name="delete_words_link_summary">Encontrar e excluir palavras escritas incorretamente ou desnecessárias.</string>
 	<string name="delete_words_search_placeholder">Buscar palavras</string>
@@ -155,4 +162,8 @@
 	<string name="virtual_numpad_alignment_right">À direita</string>
 	<string name="function_select_keyboard">Mude o teclado</string>
 	<string name="add_word_no_confirmation">Adicionar sem confirmação</string>
+	<string name="dictionary_import_custom_words">Importar</string>
+	<string name="dictionary_import_custom_words_summary">Importar palavras de um CSV previamente exportado.</string>
+	<string name="dictionary_import_progress">Importando CSV (%1$s)…</string>
+	<string name="dictionary_import_running">Importando CSV…</string>
 </resources>
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index ef3f98cd..d2775252 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -106,6 +106,13 @@
 	<string name="dictionary_export_custom_words_summary">Экспорт CSV со всеми добавленными словами в: «%1$s».</string>
 	<string name="dictionary_export_failed">Ошибка экспорта</string>
 	<string name="dictionary_export_failed_more_info">Для получения дополнительной информации включите режим отладки и просмотрите журналы.</string>
+	<string name="dictionary_import_failed">Импорт не выполнен.</string>
+	<string name="dictionary_import_finished">Импорт завершен.</string>
+	<string name="dictionary_import_error_browsing_error">Ошибка выбора файлов в Android.</string>
+	<string name="dictionary_import_error_cannot_read_file">Не удалось открыть выбранный файл.</string>
+	<string name="dictionary_import_error_file_too_long">Количество слов превышает максимально допустимое значение %1$d.</string>
+	<string name="dictionary_import_error_malformed_line">Неожиданный формат слова: «%1$s» на строке %2$d.</string>
+	<string name="dictionary_import_error_too_many_words">Хранилище добавленных слов заполнено. Вы не можете импортировать больше слов.</string>
 	<string name="delete_words_delete">Удалить</string>
 	<string name="delete_words_link_summary">Найти и удалить ошибочно написанные или ненужные слова.</string>
 	<string name="delete_words_search_placeholder">Поиск слов</string>
@@ -152,4 +159,8 @@
 	<string name="virtual_numpad_alignment_right">Направо</string>
 	<string name="function_select_keyboard">Выбор клавиатуры</string>
 	<string name="add_word_no_confirmation">Добавить без подтверждения</string>
+	<string name="dictionary_import_custom_words">Импортировать</string>
+	<string name="dictionary_import_custom_words_summary">Импортировать слова из ранее экспортированного CSV.</string>
+	<string name="dictionary_import_progress">Импортирование CSV (%1$s)…</string>
+	<string name="dictionary_import_running">Импортирование CSV…</string>
 </resources>
diff --git a/app/src/main/res/values-tr/strings.xml b/app/src/main/res/values-tr/strings.xml
index 53374418..bfe887d9 100644
--- a/app/src/main/res/values-tr/strings.xml
+++ b/app/src/main/res/values-tr/strings.xml
@@ -90,6 +90,13 @@
 	<string name="dictionary_export_custom_words_summary">Seçilenleri CSV dosyası olarak „%1$s“ dizinine dışa aktar.</string>
 	<string name="dictionary_export_failed">Dışa aktarım başarısız oldu.</string>
 	<string name="dictionary_export_failed_more_info">Daha fazla bilgi için Hata Ayıklamayı açıp kayıtları kontrol edin.</string>
+	<string name="dictionary_import_failed">İçe aktarma başarısız oldu.</string>
+	<string name="dictionary_import_finished">İçe aktarma tamamlandı.</string>
+	<string name="dictionary_import_error_browsing_error">Android dosya seçici hatası.</string>
+	<string name="dictionary_import_error_cannot_read_file">Seçilen dosya açılamadı.</string>
+	<string name="dictionary_import_error_file_too_long">Kelime sayısı izin verilen maksimum %1$d\'i aşıyor.</string>
+	<string name="dictionary_import_error_malformed_line">Beklenmeyen kelime formatı: \"%1$s\" satır %2$d\'de.</string>
+	<string name="dictionary_import_error_too_many_words">Eklenen kelime depolama alanı dolu. Daha fazla kelime içe aktaramazsınız.</string>
 	<string name="delete_words_delete">Sil</string>
 	<string name="delete_words_link_summary">Yanlış yazılan ya da gereksiz kelimeleri bulun ve silin.</string>
 	<string name="delete_words_search_placeholder">Aramak istediğiniz kelimeyi yazın…</string>
@@ -155,4 +162,8 @@
 	<string name="virtual_numpad_alignment_right">Sağa</string>
 	<string name="function_select_keyboard">Klavye Seçimi</string>
 	<string name="add_word_no_confirmation">Onay olmadan ekle</string>
+	<string name="dictionary_import_custom_words">İçe Aktar</string>
+	<string name="dictionary_import_custom_words_summary">Daha önce dışa aktarılan bir CSV\'den kelimeleri içe aktar.</string>
+	<string name="dictionary_import_progress">CSV İçe aktarılıyor (%1$s)…</string>
+	<string name="dictionary_import_running">CSV İçe aktarılıyor…</string>
 </resources>
diff --git a/app/src/main/res/values-uk/strings.xml b/app/src/main/res/values-uk/strings.xml
index 254a6864..c94624c6 100644
--- a/app/src/main/res/values-uk/strings.xml
+++ b/app/src/main/res/values-uk/strings.xml
@@ -89,6 +89,13 @@
 	<string name="dictionary_export_custom_words_summary">Експорт CSV з усіма доданими словами в: \"%1$s\".</string>
 	<string name="dictionary_export_failed">Помилка експорту</string>
 	<string name="dictionary_export_failed_more_info">Для отримання додаткової інформації увімкніть режим відлагодження та перегляньте журнали.</string>
+	<string name="dictionary_import_failed">Імпорт не вдався.</string>
+	<string name="dictionary_import_finished">Імпорт завершено.</string>
+	<string name="dictionary_import_error_browsing_error">Помилка вибору файлів Android.</string>
+	<string name="dictionary_import_error_cannot_read_file">Не вдалося відкрити вибраний файл.</string>
+	<string name="dictionary_import_error_file_too_long">Кількість слів перевищує максимально дозволену кількість %1$d.</string>
+	<string name="dictionary_import_error_malformed_line">"Несподіваний формат слова: \"%1$s\" у рядку %2$d. "</string>
+	<string name="dictionary_import_error_too_many_words">Сховище доданих слів заповнено. Ви не можете імпортувати більше слів.</string>
 	<string name="delete_words_delete">Видалити</string>
 	<string name="delete_words_link_summary">Знайти та видалити неправильно написані або зайві слова.</string>
 	<string name="delete_words_search_placeholder">Пошук слів</string>
@@ -163,4 +170,8 @@
 	<string name="virtual_numpad_alignment_right">Праворуч</string>
 	<string name="function_select_keyboard">Змінити клавіатуру</string>
 	<string name="add_word_no_confirmation">Додати без підтвердження</string>
+	<string name="dictionary_import_custom_words">Імпортувати</string>
+	<string name="dictionary_import_custom_words_summary">Імпортувати слова з раніше експортованого CSV.</string>
+	<string name="dictionary_import_progress">Імпорт CSV (%1$s)…</string>
+	<string name="dictionary_import_running">Імпорт CSV…</string>
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 65ef51d2..4398e4f8 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -111,6 +111,18 @@
 	<string name="dictionary_export_generating_csv">Exporting CSV…</string>
 	<string name="dictionary_export_generating_csv_for_language">Exporting CSV (%1$s)…</string>
 
+	<string name="dictionary_import_custom_words">Import</string>
+	<string name="dictionary_import_custom_words_summary">Import words from a previously exported CSV.</string>
+	<string name="dictionary_import_failed">Importing failed.</string>
+	<string name="dictionary_import_finished">Importing completed.</string>
+	<string name="dictionary_import_error_browsing_error">Android file picker error.</string>
+	<string name="dictionary_import_error_cannot_read_file">Could not open the selected file.</string>
+	<string name="dictionary_import_error_file_too_long">Words exceed the maximum allowed count of %1$d.</string>
+	<string name="dictionary_import_error_malformed_line">Unexpected word format: \"%1$s\" on line %2$d.</string>
+	<string name="dictionary_import_error_too_many_words">The added word storage is full. You can not import any more words.</string>
+	<string name="dictionary_import_progress">Importing CSV (%1$s)…</string>
+	<string name="dictionary_import_running">Importing CSV…</string>
+
 	<string name="delete_words_delete">Delete</string>
 	<string name="delete_words_link_summary">Find and delete misspelled or unneeded words.</string>
 	<string name="delete_words_search_placeholder">Search for Words</string>
diff --git a/app/src/main/res/xml/prefs_screen_languages.xml b/app/src/main/res/xml/prefs_screen_languages.xml
index fd963b39..9c70af92 100644
--- a/app/src/main/res/xml/prefs_screen_languages.xml
+++ b/app/src/main/res/xml/prefs_screen_languages.xml
@@ -36,6 +36,11 @@
 			app:key="add_word_no_confirmation"
 			app:title="@string/add_word_no_confirmation" />
 
+		<Preference
+			app:key="dictionary_import_custom"
+			app:title="@string/dictionary_import_custom_words"
+			app:enabled="false"/>
+
 		<Preference
 			app:key="dictionary_export_custom"
 			app:title="@string/dictionary_export_custom_words" />