| File Extension: | DLU |
| File Type Description: | 3ds Max Utility Plug-in File |
| File Type Developer: | Autodesk, Inc. |
| Primary Associated Software: | Autodesk 3ds Max |
| Primary Software Developer: | Autodesk, Inc. |
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Autodesk 3ds Max is the primary software program that utilizes the 3ds Max Utility Plug-in File file, originally developed by Autodesk, Inc.. Our internal web tracking data indicates that Windows 10 operating system users, and those living in China, are the most likely to use 3ds Max Utility Plug-in File files. Google Chrome is their primary internet browser for the bulk of these users.
 | Autodesk 3ds Max by Autodesk, Inc. |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .MVI | Autodesk, Inc. | Uncommon Files | Autodesk AutoCAD Movie Command File |
| .BK1 | Autodesk, Inc. | Backup Files | Autodesk Backup File |
| .CAL | Newera Software Technology, Inc. | Raster Image Files | CALS Raster File |
| .HLD | Autodesk, Inc. | Database Files | Structural Desktop |
| .MIX | Microsoft Corporation | Raster Image Files | Microsoft Image Exchange File |
| .LK# | Autodesk, Inc. | CAD Files | Autodesk Multi-User Coordination Lock Data |
| .AAS | Adobe Systems Incorporated | Data Files | Adobe Authorware Shocked Packet File |
| .WEA | Autodesk, Inc. | Data Files | Ecotect Weather File |
| .MLN | Autodesk, Inc. | Data Files | AutoCAD Multiline Definition Data File |
| .CATPRODUCT | Dassault Systèmes | CAD Files | CATIA V5 Assembly File |
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