.RTE | Autodesk, Inc. | Datafiler | Revit Project Template | Microsoft Exchange Server | Microsoft Corporation |
.RTF | Microsoft Corporation | Tekstfiler | Rich Text Format File | Microsoft WordPad | Microsoft Corporation |
.RTL | Hewlett-Packard | Rasterbilledfiler | Raster Transfer Language File | Microsoft Notepad | Microsoft Corporation |
.RTP | KTH Royal Institute of Technology | Datafiler | Gromacs Residue Topology Parameter File | MS-DOS | Microsoft Corporation |
.RTX | The Document Foundation | Tekstfiler | Rich Text Document | Microsoft Word | Microsoft Corporation |
.RT_ | Microsoft Corporation | Datafiler | Microsoft WinHelp Compressed Help Document | Microsoft Windows Help | Microsoft Corporation |
.RU | Microsoft Corporation | Tekstfiler | Russian Text Or Localization File | Microsoft Notepad | Microsoft Corporation |
.RUF | Samsung Electronics | Systemfiler | Samsung DVD And Blu-ray Player Firmware File | Windows Built-in USB Drive Software | Microsoft Corporation |
.RULESET | Microsoft Corporation | Indstillingsfiler | Visual Studio Code Analysis Rule Set | Microsoft Visual Studio | Microsoft Corporation |
.RV | Astronomical Institute of the Czech Academyof Sciences | Datafiler | SPEFO Stellar Spectra Analysis Data | Microsoft Windows Media Player | Microsoft Corporation |
.RWD | NRG Systems | Datafiler | NRG Raw Wind Data File | Microsoft Flight Simulator | Microsoft Corporation |
.RWZ | Microsoft Corporation | Ikke Almindelige Filer | Outlook Rules Wizard File | Microsoft Outlook 2016 | Microsoft Corporation |
.RX | Microsoft Corporation | Systemfiler | MS-DOS 7 Data | Microsoft Windows | Microsoft Corporation |
.S | Unknown Developer | Udviklerfiler | Source Code File | Microsoft Notepad | Microsoft Corporation |
.SAGE | Sage | Krypterede Filer | Sage Ransomware Affected Data | Microsoft Outlook | Microsoft Corporation |
.SAM | Microsoft Corporation | Tekstfiler | LMHOSTS Sample File | Microsoft WordPad | Microsoft Corporation |
.SAZ | Microsoft Corporation | Komprimerede filer | Fiddler Session Archive ZIP Data | Fiddler | Microsoft Corporation |
.SB | MIT Media Lab | Udviklerfiler | Scratch Project File | Microsoft Small Basic | Microsoft Corporation |
.SBB | Microsoft Corporation | Sikkerhedskopifiler | Office Accounting Company Backup File | Microsoft Office Accounting | Microsoft Corporation |
.SBC | Microsoft Corporation | Ikke Almindelige Filer | Office Accounting Company Shortcut File | Microsoft Office Accounting | Microsoft Corporation |
.SBD | Microsoft Corporation | Datafiler | Office Accounting Company Data File | Microsoft Office Accounting | Microsoft Corporation |
.SBL | Adobe Systems Incorporated | Grafiske Filer | Shockwave Flash Object | Microsoft Office | Microsoft Corporation |
.SBR | Microsoft Corporation | Udviklerfiler | Visual Studio Source Browser Intermediate File | Microsoft Visual Studio | Microsoft Corporation |
.SBV | Superbase Software | Sideopsætningsfiler | Superbase Form Definition File | Microsoft Notepad | Microsoft Corporation |
.SCA | Symantec Corporation | Datafiler | Norton AntiVirus Scan File | Microsoft Notepad | Microsoft Corporation |
.SCC | Microsoft Corporation | Udviklerfiler | SourceSafe Source Code Control File | Microsoft Visual Studio | Microsoft Corporation |
.SCF | Microsoft Corporation | Systemfiler | Windows Explorer Command | Microsoft Windows | Microsoft Corporation |
.SCH | Autodesk, Inc. | Datafiler | EAGLE Schematics File | Microsoft Schedule Plus | Microsoft Corporation |
.SCM | Gimpel Software | Plug-in-filer | GIMP Script-Fu Script | Microsoft PowerPoint | Microsoft Corporation |
.SCR | Microsoft Corporation | Systemfiler | Windows Screensaver File | Microsoft Windows | Microsoft Corporation |
.SCRIPT | Unknown Developer | Eksekverbare filer | Generic Script File | Microsoft Notepad | Microsoft Corporation |
.SCT | Scitex | Rasterbilledfiler | Scitex Continuous Tone File | Microsoft Visual Studio | Microsoft Corporation |
.SCX | RIX SoftWorks, Inc. | Rasterbilledfiler | ColoRIX Bitmap Graphic File | Microsoft Visual FoxPro | Microsoft Corporation |
.SDC | Stardock Corporation | Sikkerhedskopifiler | Stardock Central Download Archive | UnpackSDC | Microsoft Corporation |
.SDF | Microsoft Corporation | Databasefiler | SQL Server Compact Database File | Microsoft Visual Studio | Microsoft Corporation |
.SDI | Intuit, Inc. | Datafiler | QuickBooks Data File | Microsoft Windows Embedded Studio | Microsoft Corporation |
.SDL | Microsoft Corporation | Udviklerfiler | Service Description Language File | Microsoft Visual Studio | Microsoft Corporation |
.SDOC | Samsung Electronics | Datafiler | Samsung Memo File | Microsoft Word 2016 | Microsoft Corporation |
.SDV | Pinnacle Systems Inc. | Videofiler | Studio DV Project File | Microsoft Visual Studio | Microsoft Corporation |
.SE | Unknown Developer | Tekstfiler | Shuttle Document | Microsoft Notepad | Microsoft Corporation |
.SEARCH-MS | Microsoft Corporation | Ikke Almindelige Filer | Windows Saved Search File | Microsoft Windows | Microsoft Corporation |
.SEARCHCONNECTOR-MS | Microsoft Corporation | Datafiler | Microsoft Windows Search Connector Description File | Microsoft Windows | Microsoft Corporation |
.SEC | Symantec Corporation | Ikke Almindelige Filer | Pretty Good Privacy Secret Key Ring | Microsoft Windows | Microsoft Corporation |
.SED | Microsoft Corporation | Indstillingsfiler | IExpress Self Extraction Directive File | Microsoft IExpress Wizard | Microsoft Corporation |
.SEG | SEG (The Society of Exploration Geophysicists) | Datafiler | SEG-2 Data File | LINK utility | Microsoft Corporation |
.SETTINGCONTENT-MS | Microsoft Corporation | Indstillingsfiler | Microsoft Windows 8.1 Configuration Data | Microsoft Windows 8 | Microsoft Corporation |
.SETTINGS | Microsoft Corporation | Indstillingsfiler | Microsoft Visual Studio Settings File | Microsoft Visual Studio | Microsoft Corporation |
.SF0 | Microsoft Corporation | Systemfiler | Windows Sytem File Check File | Microsoft Windows | Microsoft Corporation |
.SF1 | The U.S. Census Bureau | Databasefiler | 2010 Census Summary File 1 | Microsoft Access | Microsoft Corporation |
.SFB | Sony | Spilfiler | PlayStation 3 Disc Data File | Microsoft Notepad | Microsoft Corporation |
.SFCACHE | Microsoft Corporation | Systemfiler | ReadyBoost Cache File | Microsoft Windows | Microsoft Corporation |
.SFT | Microsoft Corporation | Ikke Almindelige Filer | Microsoft App-V Sequencer File | Application Virtualization Sequencer | Microsoft Corporation |
.SHA | Corel | Grafiske Filer | CorelDraw Shader File | Microsoft Systems Management Server | Microsoft Corporation |
.SHB | Microsoft Corporation | Eksekverbare filer | Windows Document Shortcut | Microsoft Windows | Microsoft Corporation |
.SHD | Microsoft Corporation | Systemfiler | Windows Print Job Shadow File | Microsoft Windows | Microsoft Corporation |
.SHG | Microsoft Corporation | Rasterbilledfiler | Segmented Hyper-Graphic | Microsoft WinHelp | Microsoft Corporation |
.SHP | Autodesk, Inc. | 3D-billedfiler | AutoCAD Shape File | ACD Systems Canvas | Microsoft Corporation |
.SHPROJ | Microsoft Corporation | Udviklerfiler | Visual Studio Code Sharing App Project File | Microsoft Visual Studio | Microsoft Corporation |
.SHS | Microsoft Corporation | Ikke Almindelige Filer | Microsoft Scrap File | Microsoft Excel | Microsoft Corporation |
.SHT | The Document Foundation | Webfiler | HTML File With Server Side Includes | Microsoft Notepad | Microsoft Corporation |
.SHTM | Opera Software | Videofiler | HTML Server Side Include File | Microsoft Notepad | Microsoft Corporation |
.SHTML | Sublime HQ Pty Ltd | Webfiler | Server Side Include HTML File | Microsoft Notepad | Microsoft Corporation |
.SID | Valve | Spilfiler | Steam Game Data Backup File | ACD Systems Canvas | Microsoft Corporation |
.SIF | Microsoft Corporation | Indstillingsfiler | Windows Setup Information File | Microsoft Notepad | Microsoft Corporation |
.SIG | Unknown Developer | Tekstfiler | Signature File | Microsoft Outlook Express | Microsoft Corporation |
.SIK | Microsoft Corporation | Sikkerhedskopifiler | Microsoft Word Backup | Microsoft Word | Microsoft Corporation |
.SILK | Microsoft Corporation | Regnearksfiler | Microsoft Excel Symbolic Link Format | Microsoft Excel | Microsoft Corporation |
.SITEMAP | Microsoft Corporation | Webfiler | ASP.NET Site Map File | Microsoft Visual Studio | Microsoft Corporation |
.SKI | Motorola | Indstillingsfiler | Motorola Phone Skin File | Microsoft Notepad | Microsoft Corporation |
.SKIN | Microsoft Corporation | Indstillingsfiler | ASP.NET Skin File | Microsoft Visual Studio | Microsoft Corporation |
.SKR | Symantec Corporation | Ikke Almindelige Filer | PGP Private Keyring | Windows NT | Microsoft Corporation |
.SKV | Microsoft Corporation | Datafiler | Semicolon Separated Values File | Microsoft Excel | Microsoft Corporation |
.SKX | Microsoft Corporation | Datafiler | XLANG Schedule File | BizTalk Server | Microsoft Corporation |
.SLDM | Microsoft Corporation | Ikke Almindelige Filer | Microsoft PowerPoint Macro-enabled Open XML Slide | Microsoft Excel | Microsoft Corporation |
.SLDX | Microsoft Corporation | Datafiler | Microsoft PowerPoint Open XML Slide | Microsoft PowerPoint | Microsoft Corporation |
.SLK | Microsoft Corporation | Datafiler | Symbolic Link File | Microsoft Excel | Microsoft Corporation |
.SLL | ShopTalk Systems | Udviklerfiler | Static Link Library | Microsoft Office Web Components | Microsoft Corporation |
.SLN | Microsoft Corporation | Udviklerfiler | Microsoft Visual Studio Solution File | Windows Installer XML | Microsoft Corporation |
.SLS | Sublime HQ Pty Ltd | Ikke Almindelige Filer | Image Playlist | Microsoft WordPad | Microsoft Corporation |
.SMA | Don Ho | Udviklerfiler | C/C++ Source Code File | Microsoft Visual Studio | Microsoft Corporation |
.SMD | Valve | 3D-billedfiler | Valve Studiomdl Data File | Microsoft Notepad | Microsoft Corporation |
.SMI | Apple | Disk billedfiler | Self-Mounting Disk Image | Microsoft Windows Media Player | Microsoft Corporation |
.SMIL | "Synchronized Multimedia" Working Group (SYMM WG) | Videofiler | SMIL(Synchronized Multimedia Integration Language) Presentation File | Internet Explorer | Microsoft Corporation |
.SML | ESRI | Udviklerfiler | ARC/INFO Simple Macro Language File | Internet Explorer | Microsoft Corporation |
.SMS | Sega | Spilfiler | Sega Master System ROM | Microsoft Notepad | Microsoft Corporation |
.SND | Open Source | Lydfiler | Sound File | Microsoft Windows Media Player | Microsoft Corporation |
.SNIP | Microsoft Corporation | Datafiler | Microsoft Windows Snipping Tool Data File | Snipping Tool | Microsoft Corporation |
.SNIPPET | Microsoft Corporation | Udviklerfiler | Visual Studio IntelliSense Code Snippet | Microsoft Visual Studio | Microsoft Corporation |
.SNK | Microsoft Corporation | Kodet filer | Strong Name Key File | Microsoft Visual Studio | Microsoft Corporation |
.SNP | Microsoft Corporation | Sideopsætningsfiler | Access Report Snapshot | Microsoft Access | Microsoft Corporation |
.SNT | Microsoft Corporation | Ikke Almindelige Filer | Microsoft Windows Sticky Notes File | Sticky Notes | Microsoft Corporation |
.SOB | Apache Software Foundation | Rasterbilledfiler | OpenOffice.org Impress Bimap Styles File | Microsoft Visual Basic | Microsoft Corporation |
.SOUNDS | id Software | Spilfiler | Quake 3 Engine Sound Definition File | Microsoft Notepad | Microsoft Corporation |
.SP1 | Microsoft Corporation | Datafiler | Microsoft Windows XP With Service Pack 1 Installation Data | Microsoft Windows | Microsoft Corporation |
.SP2 | Amusement Vision (SEGA) | Spilfiler | Super Ball 2 Level File | Microsoft Windows XP Media Center Edition | Microsoft Corporation |
.SPB | Samsung Electronics | Datafiler | Samsung Kies Phonebook File | Flight Simulator X | Microsoft Corporation |
.SPC | Various Developers | Webfiler | Software Publisher Certificate File | File Signing Tool (Signcode.exe) | Microsoft Corporation |
.SPJ | IBM | Indstillingsfiler | SPSS Production Job File | Image Composite Editor | Microsoft Corporation |
.SPL | Microsoft Corporation | Systemfiler | Windows Print Spool File | Microsoft Windows | Microsoft Corporation |
.SPOP | Opera Software | Datafiler | InterTrust SPOP File | Internet Explorer | Microsoft Corporation |