Treader-open/docs/faq/backup-import-export-migration/index.md

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# Data Backup and Migration
> Data backup is needed if you intend to transfer books to a new device, new folder, or SD card
# Export (Backup)
Tap _Export_ to save all application settings to a .zip file. Choose the folder to save your .zip file to and rename the file, if you wish.
Thus you will save:
* Application settings
* Bookmarks
* Reading progress
* User Tags
# Import
Tap _Import_ and find the .zip file with your backup data. Tap on the file and then tap _SELECT_
# Migrate
Migration will only replace the file paths in the App's config-files.
The full path is stored in Settings. For example, if the path to your book (example.pdf) is as follows:
/storage/Books/example.pdf
and you want to move it to the **MyBooks** folder, you need to change the location in the App's configuration file to:
/storage/MyBooks/example.pdf
Run _Migrate_, and replace:
Old path: **/Books/**
New path: **/MyBooks/**
Tap _START MIGRATION_
If you're moving your book to an **external SD Card**, you can do it easily by replacing the destination:
_Migrate_: /storage/AAAA-AAAA/Books to /storage/BBBB-BBBB/Books:
Old path: **/storage/AAAA-AAAA/**
New path: **/storage/BBBB-BBBB/**
> **Reminder**: Don't forget to do _Export_ first to have a backup.
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