| File Extension: | PRI |
| File Type Description: | Qt Project Include File |
| File Type Developer: | The Qt Company |
| Primary Associated Software: | Qt SDK |
| Primary Software Developer: | The Qt Company |
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Qt Project Include File files are the most popular type of files to carry the PRI file extension, originally developed by The Qt Company for Qt SDK. Our internal web tracking data indicates that Windows 10 operating system users, and those living in China, are the most likely to use Qt Project Include File files. Frequently these users are visiting our web site using Google Chrome.
 | Microsoft Visual Studio by Microsoft Corporation |
 | Qt SDK by The Qt Company |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
 | iOS |
 | Android |
 | Linux |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .QPH | Digia Oyj | Data Files | Qt Phrase Books File |
| .QML | Digia Oyj | Developer Files | QT Meta Language File |
| .TS | Various Developers | Video Files | Video Transport Stream File |
| .HXX | The Qt Company | Developer Files | C++ Source Code Header File |
| .QRC | Quark Software Inc. | Data Files | QuarkXPress Required Component File |
| .PRO | Adobe Systems Incorporated | Web Files | Adobe Proto Design File |
| .UI | Digia Oyj | Developer Files | User Interface File |
| .QHC | Digia Oyj | Settings Files | QHC |
| .QTD | The Qt Company | Developer Files | Qt Creator Trace Data |
| .QSS | Digia Oyj | Settings Files | Qt Style Sheet |
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