05-10-2013 08:11 AM
In the Help, you'd find:
When you pin a file it is saved to your BlackBerry device so that you can view the file even when your not connected to a mobile or wireless network. If the file is not pinned, it is not available when you're offline. To pin or unpin a file on your device, touch and hold a file that is stored in a cloud application, and then choose the PIN icon or UNPIN icon.
PIN: C0001B7B4 Display/Scan Bar Code
PIN: C0005A9AA Display/Scan Bar Code