EPB allows you to decrypt the backups for BlackBerry 10 (up to BBOS 10.3.2.2876) devices created by BlackBerry Link.
You need a BlackBerry backup *.bbb file to decrypt the BlackBerry Link backup. You will also need a password to the BlackBerry ID of the user who created the backup.
To decrypt a BlackBerry Link backup, do the following:
1.In the Tools menu, select the BlackBerry tab.
2.Select Decrypt backup.
3.Select the BlackBerry backup file (*.bbb) by drag-and-dropping it to the Decrypt backup window, or click Choose backup.
4.In the opened window navigate to the backup file by entering the file path in the path box. Select the Manifest.plist file and click Choose.
The properties of the backup are displayed below the grid.
5.When the backup is loaded, you can view the following information about backup:
▪Backup date: The date when the backup was created.
▪Product type: The type of BlackBerry device that was backed up.
▪PIN: The ID of the BlackBerry device.
You can select a different backup by clicking Change backup next to the backup name.
6.Define the options for backup decryption.
NOTE: The Associated BlackBerry ID user name (the BlackBerry ID (email) of the user who created a backup) is defined automatically.
•Save decrypted to: Select location for saving decrypted backup.
•BB ID password: Enter the password to the BlackBerry ID displayed in italics in Associated BlackBerry ID user name. Toggle the View 
button to display the password as characters or in asterisks (*).
7.Click Decrypt.
8.The decryption process starts.
9.When decryption is finished, you can view the backup in the location on the local computer to which it was saved by clicking the View button.
If you have Elcomsoft Phone Viewer installed on your computer, you can explore the backup content by clicking the Open in EPV link.
NOTE: Decrypting Tar archives stored in BlackBerry backups is not supported in the current version of the program.
10. Click Finish to close the Decrypt backup window.