| Mozilla Address Book Format | |
| Mozilla | |
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MAB file extension is used by Mozilla applications (SeaMonkey browser and Thunderbird email client). MAB file stores complete contact book that contains all records saved by Mozilla application.
MAB documents can be imported using free office suite LibreOffice for editing. Single Thunderbird installation is capable of storing several MAB files depending on modifications performed by user on adress database.
| .aawdef | Ad-Aware Definitions Format |
| .abr | Adobe Photoshop Brush Format |
| .ac$ | AutoCAD Undo Info Format |
| .acc | DR DOS - ViewMax Format |
| .acl | Microsoft Office Automatic Correction List |
| .acs | Microsoft Agent Character Structured Storage Format |
| .ad | After Dark Screen Saver Format |
| .add | Microsoft Dynamics AX Developer Documentation Format |
