How to backup data on a BlackBerry PlayBook

1. In the BlackBerry Desktop Software, click Device > Back up.
2. Do one of the following:
   1. To back up all your device data, click Full.
   2. To back up all your device data except for Media, click Quick.
   3. To select which types of device data to back up, click Custom. Select the check box next to the data you want to back up.
3. Do any of the following:
   1. To change the default name for the backup file, in the File name field, type a new name.
   2. To encrypt your data, select the Encrypt backup file check box. Type a password.
   3. To save your settings so that you are not prompted to set these options again when you back up your device, selectDon't ask for these settings again check box.
4. Click Back up.

source http://www.blackberryos.com