| Autodesk AutoCAD Movie Command Format | |
| Autodesk | |
| Ads |
File with an .MVI extension contains edition data of an animation file or a video created in the Autoflix AutoCAD software add-on. This add-on was used in the initial versions of the 3D modelling software.
MVI files should not be confused with files which name starts with MVI - these are standard AVI files created by certain Canon PowerShot digital cameras.
Windows
| .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 |