| Ability Write Backup Format | |
| N/A | |
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ABK file extension is used by various programs. AbK file typically stores backup copy of a project or document currently being edited. Such solution prevents data loss due to file corruption, accidental deletion, power loss, virus infection, etc.
ABK files are generated automatically by given application. Recovering data form ABK file is possible by using built-in tool for recovering backup files.
| .ab | Google Android Debug Bridge Backup Format |
| .aba | Palm Address Book Archive Format |
| .abbu | Apple Address Book Archive Format |
| .abf | Adobe Binary Screen Font Format |
| .abk | Ability Write Backup Format |
| .acp | Alfresco Exported Repository Format |
| .adi | Active@ Disk Image Format |
| .aea | Ae Timer Alarm Document Format |
