Hide a file or folder
To view a file or folder after you hide it, you must remember the location of the file or folder.
On the Home screen, click the folder that contains the file or folder you want to hide.
key > Explore.
Files and attachments
Find and highlight the file or folder you want to hide.
key > Properties.
Select the Hidden checkbox.
After you hide a file or folder, it is no longer visible on your BlackBerry smartphone.