| DownThemAll Download Part Format | |
| MMIV-MMVII | |
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DTAPART file extension is used by DownThemAll software tool, a download manager addon for Mozilla Firefox web browser.
Firefox saves partially downloaded data as DTAPART files. DTAPART files are especially useful when download process has been interupted and as it enables download to be resumed later without the need of starting it from the beginning. DownThemAll is distributed under GPL.
| .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 |