If your backup is passphrase protected, you are prompted for the passphrase in order to access the backup.
A lock icon 
indicates that the backup is passphrase protected.
To change the passphrase:
- Click the passphrase icon .
The Change passphrase window is displayed. - Enter the existing password and then the new password and its confirmation.
Note
Remember to keep your passphrase in a safe place. If lost, it cannot be recovered.