| File Extension: | BK1 |
| File Type Description: | Autodesk Backup File |
| File Type Developer: | Autodesk, Inc. |
| Primary Associated Software: | Autodesk AutoCAD Ecscad |
| Primary Software Developer: | Autodesk, Inc. |
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BK1 files are a type of Autodesk Backup File developed for Microsoft Windows by Microsoft Corporation. Data from our web servers (annonymous users) show that BK1 files are most popular in United States and are often used by Windows 10. Most of these users are running the Google Chrome web browser.
 | AutoCAD Mechanical by Autodesk, Inc. |
 | Microsoft Windows by Microsoft Corporation |
 | Autodesk AutoCAD Ecscad by Autodesk, Inc. |
 | erwin Data Modeler by CA Technologies |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .SKF | Autodesk, Inc. | CAD Files | AutoSketch Drawing |
| .SLDASM | Dassault Systèmes | CAD Files | SolidWorks Assembly File |
| .MSE | CyberLink | Video Files | MediaShow Slideshow Project File |
| .AWS | Autodesk, Inc. | System Files | AutoCAD Work Space File |
| .JFW | ESRI | GIS Files | JPEG World File |
| .RVG | Autodesk, Inc. | Data Files | Revit External Group File |
| .SHX | Autodesk, Inc. | CAD Files | AutoCAD Compiled Shape File |
| .PXD | Greg Ewing | Developer Files | Pyrex Definition File |
| .CAS | Autodesk, Inc. | Data Files | Autodesk Cascade License File |
| .MNR | Autodesk, Inc. | Raster Image Files | AutoCAD Menu Resource File |
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