Files that contain the .abk file extension usually contain backup files that may be associated with a variety of different software applications. These files contain a backup copy of a file that is currently in use by another software application.
The ABK file format is also used to recover files that have been lost due to computer crashes or corruption of a computer file due to virus attacks or hardware malfunctions. Popular applications that use the ABK file format for backup file purposes include the CorelDRAW and Avigo software programs.
The Need for Speed gaming software also uses the .abk file suffix. These ABK files contain audio files that are used by the application during a user's gameplay.
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If you have additional information about the ABK file format or software that uses files with the ABK suffix, please do get in touch - we would love hearing from you.