| File Extension: | CAT |
| File Type Description: | Windows Catalog File |
| File Type Developer: | Microsoft Corporation |
| Primary Associated Software: | Microsoft Windows |
| Primary Software Developer: | Microsoft Corporation |
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Windows Catalog File files are the most popular type of files to carry the CAT file extension, originally developed by Microsoft Corporation for Microsoft Windows. Website visitor analysis indicates that CAT files are commonly found on Windows 10 user machines, and are most popular in China. Most of these users are running the Google Chrome web browser.
 | Intuit Quicken by Quicken |
 | ArcSoft PhotoStudio by ArcSoft |
 | Elcomsoft Advanced Disk Catalog by ElcomSoft |
 | Windows System Image Manager by Microsoft Corporation |
 | Rational Rose by IBM |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .CLG | Microsoft Corporation | System Files | Windows Catalog File |
| .BOK | Pearson | Data Files | TestGen Testbank File |
| .ONETOC | Microsoft Corporation | Settings Files | Microsoft OneNote Table Of Contents |
| .RJS | Yukihiro “Matz” Matsumoto | Web Files | Ruby Javascript File |
| .P5X | Microsoft Corporation | System Files | Microsoft Windows System Data |
| .DWF | Autodesk, Inc. | 3D Image Files | Autodesk Design Web Format File |
| .MSC | Microsoft Corporation | Uncommon Files | Microsoft C Makefile |
| .CAB | Microsoft Corporation | System Files | Windows Cabinet File |
| .MPV2 | Roxio | Video Files | MPEG-2 Video Stream |
| .LOCKED | Unknown Developer | Encoded Files | Ransomware Encrypted File |
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