.PSM1 | Microsoft Corporation | Udviklerfiler | Windows PowerShell Script Module File | Microsoft Windows PowerShell | Microsoft Corporation |
.PSO | NCH Software | Datafiler | DreamPlan Home Design Software Data | Microsoft DirectX | Microsoft Corporation |
.PSP | Corel Corporation | Rasterbilledfiler | PaintShop Pro Image | ACD Systems Canvas | Microsoft Corporation |
.PSPIMAGE | Corel Corporation | Rasterbilledfiler | PaintShop Pro Image | ACD Systems Canvas | Microsoft Corporation |
.PSSC | Microsoft Corporation | Systemfiler | Windows PowerShell Session Configuration File | Microsoft Windows | Microsoft Corporation |
.PST | Microsoft Corporation | Datafiler | Outlook Personal Information Store File | Microsoft Outlook Express | Microsoft Corporation |
.PSV | Sony | Spilfiler | PlayStation 2 Save File | Microsoft Excel | Microsoft Corporation |
.PSW | Microsoft Corporation | Ikke Almindelige Filer | Windows Password Reset Disk File | Password Reset Disk | Microsoft Corporation |
.PTM | Microsoft Corporation | GIS-filer | MapPoint Map File | Microsoft MapPoint | Microsoft Corporation |
.PTT | Avid Technology | Lydfiler | Pro Tools Session Template | Microsoft MapPoint | Microsoft Corporation |
.PTX | Adobe Systems Incorporated | Skrifttypefiler | PageMaker Template File | Microsoft Windows Photos | Microsoft Corporation |
.PUB | Microsoft Corporation | Sideopsætningsfiler | Microsoft Publisher Document | Microsoft Publisher | Microsoft Corporation |
.PUBLISHPROJ | Microsoft Corporation | Datafiler | Visual Studio Data | Microsoft Visual Studio | Microsoft Corporation |
.PUBXML | Microsoft Corporation | Datafiler | Microsoft Visual Studio Publish Profile | Microsoft Visual Studio | Microsoft Corporation |
.PUZ | Literate Software | Spilfiler | Across Lite Crossword Puzzle | Microsoft Publisher | Microsoft Corporation |
.PVG | Microsoft Corporation | Datafiler | Encarta World Atlas Data File | Microsoft Encarta | Microsoft Corporation |
.PVK | Microsoft Corporation | Krypterede Filer | Private Key File | File Signing Tool (Signcode.exe) | Microsoft Corporation |
.PWI | Microsoft Corporation | Tekstfiler | Pocket Word Document | Microsoft Word | Microsoft Corporation |
.PWT | Autodesk, Inc. | CAD-filer | AutoCAD Publish To Web Template | Microsoft Word | Microsoft Corporation |
.PXL | Microsoft Corporation | Datafiler | Pocket Excel File | Microsoft ActiveSync | Microsoft Corporation |
.PXT | Microsoft Corporation | Ikke Almindelige Filer | Microsoft Pocket Excel Template | Microsoft Excel Mobile | Microsoft Corporation |
.PY | Python Software Foundation | Udviklerfiler | Python Script | Microsoft Notepad | Microsoft Corporation |
.PY2 | Python Software Foundation | Udviklerfiler | Python Script | Microsoft Notepad | Microsoft Corporation |
.PYA | Microsoft Corporation | Lydfiler | Microsoft PlayReady DRM Audio File | Microsoft Windows Media Player | Microsoft Corporation |
.PYM | VRVis (Vienna University of Technology) | Udviklerfiler | PYM Macro Preprocessor File | Microsoft Notepad | Microsoft Corporation |
.PYS | Microsoft Corporation | Datafiler | Microsoft Console Based Script Host File | Microsoft Windows | Microsoft Corporation |
.PYV | Microsoft Corporation | Lydfiler | Microsoft PlayReady Video | PlayReady | Microsoft Corporation |
.QAT | Microsoft Corporation | Indstillingsfiler | Microsoft Office Quick Access Toolbar File | Microsoft Office | Microsoft Corporation |
.QBS | Microsoft Corporation | Datafiler | Microsoft QuickBasic Program File | QuickBASIC | Microsoft Corporation |
.QC | Valve | 3D-billedfiler | Half-Life Model Compiler Script File | Microsoft Notepad | Microsoft Corporation |
.QDE | Microsoft Corporation | Eksekverbare filer | QDOS Executable | MS-DOS | Microsoft Corporation |
.QDS | Microsoft Corporation | Ikke Almindelige Filer | Windows Directory Query File | Microsoft Windows | Microsoft Corporation |
.QEF | Microsoft Corporation | Datafiler | Microsoft Excel Query File | Microsoft Excel | Microsoft Corporation |
.QF | Nokia | Indstillingsfiler | Nokia (Ovi) Maps Version Data | Microsoft Notepad | Microsoft Corporation |
.QIC | Microsoft Corporation | Sikkerhedskopifiler | Windows Backup File | Microsoft Windows Backup Utility | Microsoft Corporation |
.QIF | Intuit, Inc. | Datafiler | Quicken Interchange Format File | Microsoft Money | Microsoft Corporation |
.QL$ | Microsoft Corporation | Udviklerfiler | Microsoft Compressed QLB Data | Microsoft Visual Studio | Microsoft Corporation |
.QLB | Microsoft Corporation | Udviklerfiler | Microsoft QuickBasic Library File | Microsoft Visual Studio | Microsoft Corporation |
.QPR | Microsoft Corporation | Udviklerfiler | FoxPro Generated Query Program | Microsoft Visual FoxPro | Microsoft Corporation |
.QPX | Microsoft Corporation | Eksekverbare filer | FoxPro Compiled Query Program | Microsoft Visual FoxPro | Microsoft Corporation |
.QRM | Armangil Software | Webfiler | Qworum Message File | Internet Explorer | Microsoft Corporation |
.QRY | Oracle Corporation | Databasefiler | Query File | Microsoft SQL Server | Microsoft Corporation |
.QSS | Digia Oyj | Indstillingsfiler | Qt Style Sheet | Microsoft Notepad | Microsoft Corporation |
.QT | Apple | Videofiler | Apple QuickTime Movie | Microsoft Windows Media Player | Microsoft Corporation |
.QTM | Apple | Videofiler | Apple QuickTime Movie | Microsoft Windows Media Player | Microsoft Corporation |
.QWB | Microsoft Corporation | Datafiler | Microsoft Money Data | Microsoft Money | Microsoft Corporation |
.R | Open Source | Udviklerfiler | R Script File | Microsoft Windows Media Player | Microsoft Corporation |
.R8 | Unknown Developer | Kamera Ubehandlede Filer | RAW Graphics File | Microsoft Flight Simulator | Microsoft Corporation |
.R82 | Microsoft Corporation | Grafiske Filer | Flight Simulator Texture File | Microsoft Flight Simulator | Microsoft Corporation |
.RAF | Fuji Xerox | Kamera Ubehandlede Filer | Fuji RAW Image File | ACD Systems Canvas | Microsoft Corporation |
.RAT | World Wide Web Consortium (W3C) | Ikke Almindelige Filer | PICS Rating File | Microsoft Notepad | Microsoft Corporation |
.RATDVD | RatDVD | Disk billedfiler | RatDVD Disk Image | Microsoft Windows Media Player | Microsoft Corporation |
.RAW | Unknown Developer | Kamera Ubehandlede Filer | Raw Image Data File | Microsoft Windows Photos | Microsoft Corporation |
.RB | Larian Studios | Spilfiler | Divinity: Original Sin Game Data | Visual Studio Code | Microsoft Corporation |
.RBF | Microsoft Corporation | Sikkerhedskopifiler | Windows Installer Rollback File | Windows Installer | Microsoft Corporation |
.RBK | Microsoft Corporation | Sikkerhedskopifiler | Windows 95 Registry Backup File | Microsoft Configuration Backup Tool | Microsoft Corporation |
.RBS | Microsoft Corporation | Sikkerhedskopifiler | Windows Installer Rollback Script File | Windows Installer | Microsoft Corporation |
.RC | Angus Johnson | Udviklerfiler | Resource Script File | Microsoft Visual Studio | Microsoft Corporation |
.RC2 | Microsoft Corporation | Udviklerfiler | Visual Studio Resources File | Microsoft Visual Studio | Microsoft Corporation |
.RC3 | Microsoft Corporation | Udviklerfiler | Vc98/Visual C Resource File | Microsoft Visual C++ | Microsoft Corporation |
.RCC | Angus Johnson | Udviklerfiler | Resource Script File | Microsoft Visual Studio | Microsoft Corporation |
.RCJ | Microsoft Corporation | Tekstfiler | Robocopy Job File | Microsoft Notepad | Microsoft Corporation |
.RCT | Microsoft Corporation | Indstillingsfiler | Visual Studio Resource Template | Microsoft Visual Studio | Microsoft Corporation |
.RC_ | Microsoft Corporation | Datafiler | Microsoft WinHelp Compressed Help Document | Microsoft Windows Help | Microsoft Corporation |
.RDF | Unknown Developer | Indstillingsfiler | Resource Description Framework File | Microsoft Excel | Microsoft Corporation |
.RDG | Microsoft Corporation | Indstillingsfiler | Microsoft Remote Desktop Connection Manager Configuration | Microsoft Remote Desktop Connection | Microsoft Corporation |
.RDP | Microsoft Corporation | Indstillingsfiler | Remote Desktop Configuration File | Microsoft Remote Desktop Connection | Microsoft Corporation |
.REA | Microsoft Corporation | Tekstfiler | Readme Text File | Microsoft Notepad | Microsoft Corporation |
.README | The Document Foundation | Tekstfiler | Readme Text Document File | Microsoft Notepad | Microsoft Corporation |
.REFERENCE | Budget In Brief | Datafiler | Budget In Brief Reference File | Microsoft Notepad | Microsoft Corporation |
.REG | Microsoft Corporation | Systemfiler | Registry File | Windows Registry Editor | Microsoft Corporation |
.RELS | Microsoft Corporation | Sideopsætningsfiler | Open Office XML Relationships File | Microsoft Excel | Microsoft Corporation |
.REPORT | Sublime HQ Pty Ltd | Datafiler | Report File | Microsoft Notepad | Microsoft Corporation |
.REQ | Open Source | Ikke Almindelige Filer | SSL Certificate Request File | Microsoft Exchange Server | Microsoft Corporation |
.RES | Valve | Indstillingsfiler | Valve Resource File | Microsoft Visual Studio | Microsoft Corporation |
.RESJSON | Microsoft Corporation | Udviklerfiler | Microsoft Windows 8 Metro JavaScript File | Microsoft Windows 8 | Microsoft Corporation |
.RESMONCFG | Microsoft Corporation | Indstillingsfiler | Microsoft Windows Resource Monitor Settings | Microsoft Resource Monitor | Microsoft Corporation |
.RESOURCES | Microsoft Corporation | Udviklerfiler | Microsoft Visual Studio Resource | Microsoft Visual Studio | Microsoft Corporation |
.RESTORELIST | Microsoft Corporation | Systemfiler | Microsoft Windows File System Permission | Microsoft Windows | Microsoft Corporation |
.RESW | Microsoft Corporation | Udviklerfiler | Microsoft Windows 8 Resources File | Microsoft Windows 8 | Microsoft Corporation |
.RESX | Microsoft Corporation | Udviklerfiler | .NET Managed Resources File | Microsoft Visual Studio | Microsoft Corporation |
.RGB | Silicon Graphics, Inc. | Rasterbilledfiler | RGB Bitmap | ACD Systems Canvas | Microsoft Corporation |
.RGE | Microsoft Corporation | Datafiler | Entourage File Archive | Microsoft Outlook 2016 | Microsoft Corporation |
.RGS | Microsoft Corporation | Eksekverbare filer | Registry Script | Microsoft Visual Studio | Microsoft Corporation |
.RH | Microsoft Corporation | Udviklerfiler | C++ Resource Header Data | Microsoft Visual C++ | Microsoft Corporation |
.RHTML | Yukihiro “Matz” Matsumoto | Webfiler | Ruby HTML Web Page | Internet Explorer | Microsoft Corporation |
.RJS | Yukihiro “Matz” Matsumoto | Webfiler | Ruby Javascript File | Microsoft Edge | Microsoft Corporation |
.RL4 | Various Developers | Rasterbilledfiler | Bitmap Image File | Microsoft Windows Photos | Microsoft Corporation |
.RLL | Microsoft Corporation | Indstillingsfiler | Microsoft Resource Library | Microsoft Visual Studio | Microsoft Corporation |
.RMH | Microsoft Corporation | Datafiler | Rights-Managed HTML Document File | Internet Explorer | Microsoft Corporation |
.RMI | Open Source | Lydfiler | RMID MIDI File | Microsoft Windows Media Player | Microsoft Corporation |
.RMT | The Catalina Group | Systemfiler | Router Firmware File | Internet Explorer | Microsoft Corporation |
.RPC | Synthrone | Sideopsætningsfiler | Rich Page Content Document | Microsoft Visual Studio | Microsoft Corporation |
.RPT | SAP | Datafiler | Crystal Reports File | Microsoft Visual Studio | Microsoft Corporation |
.RPY | Team Shanghai Alice | Spilfiler | Touhou Project Replay File | Microsoft Notepad | Microsoft Corporation |
.RRA | Iterum, LLC | CAD-filer | vRigger Rigging Gear File | Windows Installer | Microsoft Corporation |
.RRT | ALTAVENTE | Datafiler | Rhapzode Resource Template | Microsoft PowerPoint | Microsoft Corporation |
.RSP | Rockwell Automation Inc. | Datafiler | RSLogix PLC Program File | Microsoft Visual Studio | Microsoft Corporation |
.RST | David Goodger | Tekstfiler | ReStructuredText File | Microsoft Notepad | Microsoft Corporation |
.RTC | Brain Innovation | Datafiler | BrainVoyager QX Design Matrix File | Internet Explorer | Microsoft Corporation |