.DSY File Extension

Project file created with AJC Directory Synchronizer, a folder synchronization program; contains information about two folders that can be synchronized automatically by the program; often used for keeping the same data on a desktop and laptop or for backup purposes.

Video format used by Besta devices, such as the Besta Electronic Dictionary; similar to a Flash (.SWF) file, but uses proprietary formatting that is only recognized by Besta hardware.