The backup files generated by Password Depot have the file extension .bckd and are stored, by default, in the following folder:
In case your database is damaged or got deleted by mistake, you can open a backup file to restore your data.
How to open a backup file:
Open Password Depot.
Click on Database > Database Manager.
Click on Backups.
Select a backup of your file from the desired date and click on Open.
Authenticate yourself, using your master password and/or key file.
Click on Database > Save as (Ctrl+Alt+S) to save the file in its original format (.pswd or .pswe).