This tutorial will show you how to backup a database in PrestaShop
1) Go to Tools.
2) Click DB Backup.
3) Click this button to continue.
4) The backup file has been created, so click this link to download it.
5) Choose to save the file and click OK.
Now let’s see how to restore a backup file.
6) Click Import.
7) Click Browse.
8) Select your backup file and click Open.
9) Click Upload.
That’s it! Now you know how to backup and restore PrestaShop.