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+# Managing Your Data
+
+## Automatic message deletion
+
+Here you can choose to delete messages from your local chat database after a set period of time.
+
+**Please note**: This option does not delete messages for other users, only for you. This option is set independently for each chat profile.
+
+## Chat Database
+
+To open your chat database settings:
+
+- [Open the app settings](https://simplex.chat/docs/guide/app-settings.md#opening-the-app-settings).
+- Tap on "Database passphrase & export" button.
+
+### Database passphrase
+
+<img src="../../blog/images/20220928-passphrase.png" width="330">
+
+By default, database passphrase is random, you have to set it manually to be able to export it.
+
+### App data backup
+
+Here you can allow the system to back up app data, wherever it is configured. A database passphrase must be set to use this.
+
+### Export database
+
+Here you can export the chat database to a file.
+
+### Import database
+
+Here you can import the chat database from a file.
+
+### Delete database
+
+Here you can delete your chat database. WARNING: Results in a loss of all your SimpleX Chat data! Unless you have just exported the chat database.
+
+## Delete files and media
+
+<img src="../../blog/images/20220928-files-media.png" width="330">
+
+You can delete all sent and received files and media stored in the app via this option, without deleting the messages.