| File Extension: | PRJ |
| File Type Description: | Project File |
| File Type Developer: | Unknown Developer |
| Primary Associated Software: | Microsoft Visual Studio |
| Primary Software Developer: | Microsoft Corporation |
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Microsoft Corporation developed the PRJ file extension, also know as a Project File file, for the Microsoft Visual Studio software package. Annoymous user data statistics infer that PRJ files are most popular in China and with those using Windows 10 devices. Google Chrome is the predominant internet browser used by this population.
 | Microsoft Visual Studio by Microsoft Corporation |
 | Tracktion by Tracktion Corporation |
 | AIMMS by AIMMS B.V. |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
 | Linux |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .M4A | Apple | Audio Files | MPEG-4 Audio File |
| .ETL | Microsoft Corporation | System Files | Microsoft Event Trace Log File |
| .CNV | ACD Systems | Vector Image Files | Canvas Drawing File |
| .PPKG | Microsoft Corporation | Data Files | Microsoft Windows Provisioning Package |
| ._SLN80 | Microsoft Corporation | Data Files | Microsoft Visual Studio File |
| .DPC | Microsoft Corporation | Data Files | Microsoft Office Resource File |
| .GR2 | Larian Studios | Game Files | Divinity: Original Sin Game Data |
| .GROUP | Microsoft Corporation | System Files | Windows Contacts Group File |
| .NCH | Microsoft Corporation | Audio Files | On Hold Message/Music File |
| .CCH | Microsoft Corporation | Uncommon Files | .NET Security Resolution Cache File |
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