1. To create encrypted ISO image files.
2. To create and burn encrypted CD/DVD discs with both safe area and public area. The safe area could only be opened by your password, while the public area would not need any. And you can allocate the size of the safe area and public area in the discs as you need.
3. To create virtual drive.
In order to avoid any unnecessary loss, please do remember the password , there would be no one could figure it out !