.R | Open Source | File sviluppatore | R Script File | Microsoft Windows Media Player | Microsoft Corporation |
.R8 | Unknown Developer | File Videocamera non elaborati | RAW Graphics File | Microsoft Flight Simulator | Microsoft Corporation |
.R82 | Microsoft Corporation | File grafici | Flight Simulator Texture File | Microsoft Flight Simulator | Microsoft Corporation |
.RAF | Fuji Xerox | File Videocamera non elaborati | Fuji RAW Image File | ACD Systems Canvas | Microsoft Corporation |
.RAT | World Wide Web Consortium (W3C) | File vari | PICS Rating File | Microsoft Notepad | Microsoft Corporation |
.RATDVD | RatDVD | File con immagini disco | RatDVD Disk Image | Microsoft Windows Media Player | Microsoft Corporation |
.RAW | Unknown Developer | File Videocamera non elaborati | Raw Image Data File | Microsoft Windows Photos | Microsoft Corporation |
.RB | Larian Studios | File di giochi | Divinity: Original Sin Game Data | Visual Studio Code | Microsoft Corporation |
.RBF | Microsoft Corporation | File backup | Windows Installer Rollback File | Windows Installer | Microsoft Corporation |
.RBK | Microsoft Corporation | File backup | Windows 95 Registry Backup File | Microsoft Configuration Backup Tool | Microsoft Corporation |
.RBS | Microsoft Corporation | File backup | Windows Installer Rollback Script File | Windows Installer | Microsoft Corporation |
.RC | Angus Johnson | File sviluppatore | Resource Script File | Microsoft Visual Studio | Microsoft Corporation |
.RC2 | Microsoft Corporation | File sviluppatore | Visual Studio Resources File | Microsoft Visual Studio | Microsoft Corporation |
.RC3 | Microsoft Corporation | File sviluppatore | Vc98/Visual C Resource File | Microsoft Visual C++ | Microsoft Corporation |
.RCC | Angus Johnson | File sviluppatore | Resource Script File | Microsoft Visual Studio | Microsoft Corporation |
.RCJ | Microsoft Corporation | File di testo | Robocopy Job File | Microsoft Notepad | Microsoft Corporation |
.RCT | Microsoft Corporation | File di settaggi | Visual Studio Resource Template | Microsoft Visual Studio | Microsoft Corporation |
.RC_ | Microsoft Corporation | File di dati | Microsoft WinHelp Compressed Help Document | Microsoft Windows Help | Microsoft Corporation |
.RDF | Unknown Developer | File di settaggi | Resource Description Framework File | Microsoft Excel | Microsoft Corporation |
.RDG | Microsoft Corporation | File di settaggi | Microsoft Remote Desktop Connection Manager Configuration | Microsoft Remote Desktop Connection | Microsoft Corporation |
.RDP | Microsoft Corporation | File di settaggi | Remote Desktop Configuration File | Microsoft Remote Desktop Connection | Microsoft Corporation |
.REA | Microsoft Corporation | File di testo | Readme Text File | Microsoft Notepad | Microsoft Corporation |
.README | The Document Foundation | File di testo | Readme Text Document File | Microsoft Notepad | Microsoft Corporation |
.REFERENCE | Budget In Brief | File di dati | Budget In Brief Reference File | Microsoft Notepad | Microsoft Corporation |
.REG | Microsoft Corporation | File di sistema | Registry File | Windows Registry Editor | Microsoft Corporation |
.RELS | Microsoft Corporation | File con layout di pagina | Open Office XML Relationships File | Microsoft Excel | Microsoft Corporation |
.REPORT | Sublime HQ Pty Ltd | File di dati | Report File | Microsoft Notepad | Microsoft Corporation |
.REQ | Open Source | File vari | SSL Certificate Request File | Microsoft Exchange Server | Microsoft Corporation |
.RES | Valve | File di settaggi | Valve Resource File | Microsoft Visual Studio | Microsoft Corporation |
.RESJSON | Microsoft Corporation | File sviluppatore | Microsoft Windows 8 Metro JavaScript File | Microsoft Windows 8 | Microsoft Corporation |
.RESMONCFG | Microsoft Corporation | File di settaggi | Microsoft Windows Resource Monitor Settings | Microsoft Resource Monitor | Microsoft Corporation |
.RESOURCES | Microsoft Corporation | File sviluppatore | Microsoft Visual Studio Resource | Microsoft Visual Studio | Microsoft Corporation |
.RESTORELIST | Microsoft Corporation | File di sistema | Microsoft Windows File System Permission | Microsoft Windows | Microsoft Corporation |
.RESW | Microsoft Corporation | File sviluppatore | Microsoft Windows 8 Resources File | Microsoft Windows 8 | Microsoft Corporation |
.RESX | Microsoft Corporation | File sviluppatore | .NET Managed Resources File | Microsoft Visual Studio | Microsoft Corporation |
.RGB | Silicon Graphics, Inc. | File con immagini raster | RGB Bitmap | ACD Systems Canvas | Microsoft Corporation |
.RGE | Microsoft Corporation | File di dati | Entourage File Archive | Microsoft Outlook 2016 | Microsoft Corporation |
.RGS | Microsoft Corporation | File eseguibili | Registry Script | Microsoft Visual Studio | Microsoft Corporation |
.RH | Microsoft Corporation | File sviluppatore | C++ Resource Header Data | Microsoft Visual C++ | Microsoft Corporation |
.RHTML | Yukihiro “Matz” Matsumoto | File web | Ruby HTML Web Page | Internet Explorer | Microsoft Corporation |
.RJS | Yukihiro “Matz” Matsumoto | File web | Ruby Javascript File | Microsoft Edge | Microsoft Corporation |
.RL4 | Various Developers | File con immagini raster | Bitmap Image File | Microsoft Windows Photos | Microsoft Corporation |
.RLL | Microsoft Corporation | File di settaggi | Microsoft Resource Library | Microsoft Visual Studio | Microsoft Corporation |
.RMH | Microsoft Corporation | File di dati | Rights-Managed HTML Document File | Internet Explorer | Microsoft Corporation |
.RMI | Open Source | File audio | RMID MIDI File | Microsoft Windows Media Player | Microsoft Corporation |
.RMT | The Catalina Group | File di sistema | Router Firmware File | Internet Explorer | Microsoft Corporation |
.RPC | Synthrone | File con layout di pagina | Rich Page Content Document | Microsoft Visual Studio | Microsoft Corporation |
.RPT | SAP | File di dati | Crystal Reports File | Microsoft Visual Studio | Microsoft Corporation |
.RPY | Team Shanghai Alice | File di giochi | Touhou Project Replay File | Microsoft Notepad | Microsoft Corporation |
.RRA | Iterum, LLC | File di CAD | vRigger Rigging Gear File | Windows Installer | Microsoft Corporation |
.RRT | ALTAVENTE | File di dati | Rhapzode Resource Template | Microsoft PowerPoint | Microsoft Corporation |
.RSP | Rockwell Automation Inc. | File di dati | RSLogix PLC Program File | Microsoft Visual Studio | Microsoft Corporation |
.RST | David Goodger | File di testo | ReStructuredText File | Microsoft Notepad | Microsoft Corporation |
.RTC | Brain Innovation | File di dati | BrainVoyager QX Design Matrix File | Internet Explorer | Microsoft Corporation |
.RTE | Autodesk, Inc. | File di dati | Revit Project Template | Microsoft Exchange Server | Microsoft Corporation |
.RTF | Microsoft Corporation | File di testo | Rich Text Format File | Microsoft WordPad | Microsoft Corporation |
.RTL | Hewlett-Packard | File con immagini raster | Raster Transfer Language File | Microsoft Notepad | Microsoft Corporation |
.RTP | KTH Royal Institute of Technology | File di dati | Gromacs Residue Topology Parameter File | MS-DOS | Microsoft Corporation |
.RTX | The Document Foundation | File di testo | Rich Text Document | Microsoft Word | Microsoft Corporation |
.RT_ | Microsoft Corporation | File di dati | Microsoft WinHelp Compressed Help Document | Microsoft Windows Help | Microsoft Corporation |
.RU | Microsoft Corporation | File di testo | Russian Text Or Localization File | Microsoft Notepad | Microsoft Corporation |
.RUF | Samsung Electronics | File di sistema | Samsung DVD And Blu-ray Player Firmware File | Windows Built-in USB Drive Software | Microsoft Corporation |
.RULESET | Microsoft Corporation | File di settaggi | Visual Studio Code Analysis Rule Set | Microsoft Visual Studio | Microsoft Corporation |
.RV | Astronomical Institute of the Czech Academyof Sciences | File di dati | SPEFO Stellar Spectra Analysis Data | Microsoft Windows Media Player | Microsoft Corporation |
.RWD | NRG Systems | File di dati | NRG Raw Wind Data File | Microsoft Flight Simulator | Microsoft Corporation |
.RWZ | Microsoft Corporation | File vari | Outlook Rules Wizard File | Microsoft Outlook 2016 | Microsoft Corporation |
.RX | Microsoft Corporation | File di sistema | MS-DOS 7 Data | Microsoft Windows | Microsoft Corporation |