| File Extension: | STEP |
| File Type Description: | STEP 3D Model |
| File Type Developer: | Unknown Developer |
| Primary Associated Software: | Autodesk Fusion 360 |
| Primary Software Developer: | Autodesk, Inc. |
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Dassault Systèmes developed the STEP file extension, also know as a STEP 3D Model file, for the Dassault Systemes SolidWorks software package. Commonly, STEP 3D Model files are found on user computers from China, and on PCs running the Windows 10 operating system. Google Chrome is the predominant internet browser used by this population.
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
 | iOS |
 | Android |
 | Web |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .SLDASM | Dassault Systèmes | CAD Files | SolidWorks Assembly File |
| .PCB | Autodesk, Inc. | Data Files | Printed Circuit Board Design File |
| .CAS | Autodesk, Inc. | Data Files | Autodesk Cascade License File |
| .MND | Autodesk, Inc. | Developer Files | AutoCAD Menu Compiler File |
| .JFW | ESRI | GIS Files | JPEG World File |
| .PD3 | Autodesk, Inc. | Data Files | 3D Studio Max Data |
| .DBX | Microsoft Corporation | Uncommon Files | Outlook Express E-mail Folder |
| .XMS | Alexander Gross | Settings Files | Music Studio Project |
| .DWFX | Autodesk, Inc. | CAD Files | Design Web Format XPS File |
| .TF | Borland | Settings Files | Turbo Profiler Configuration |
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