| Skype User Data Format | |
| Skype | |
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File with a .DBB extension contains Skype software user’s data – user’s profile, contacts list, chat history.
Skype software is used to establish telephone or video connections, conferences with other user’s, and also to send text messages – chatting. In order to read the message history within a DBB file, the skypr tool can be used.
| .a2theme | Aston 2 Theme Format |
| .acb | Adobe Color Book Format |
| .acbl | Adobe Color Book Format |
| .aco | Adobe Photoshop Color Palette And Swatches Format |
| .acrobatsecuritysettings | Adobe Acrobat Security Settings Format |
| .acrodata | Adobe Acrobat Data Format |
| .acv | Adobe Photoshop Colour Curves Format |
| .acw | Microsoft Accessibility Wizard Format |