.S | Unknown Developer | Developer Files | Source Code File | Microsoft Notepad | Microsoft Corporation |
.SAGE | Sage | Encrypted Files | Sage Ransomware Affected Data | Microsoft Outlook | Microsoft Corporation |
.SAM | Microsoft Corporation | Text Files | LMHOSTS Sample File | Microsoft WordPad | Microsoft Corporation |
.SAZ | Microsoft Corporation | Compressed Files | Fiddler Session Archive ZIP Data | Fiddler | Microsoft Corporation |
.SB | MIT Media Lab | Developer Files | Scratch Project File | Microsoft Small Basic | Microsoft Corporation |
.SBB | Microsoft Corporation | Backup Files | Office Accounting Company Backup File | Microsoft Office Accounting | Microsoft Corporation |
.SBC | Microsoft Corporation | Uncommon Files | Office Accounting Company Shortcut File | Microsoft Office Accounting | Microsoft Corporation |
.SBD | Microsoft Corporation | Data Files | Office Accounting Company Data File | Microsoft Office Accounting | Microsoft Corporation |
.SBL | Adobe Systems Incorporated | Graphic Files | Shockwave Flash Object | Microsoft Office | Microsoft Corporation |
.SBR | Microsoft Corporation | Developer Files | Visual Studio Source Browser Intermediate File | Microsoft Visual Studio | Microsoft Corporation |
.SBV | Superbase Software | Page Layout Files | Superbase Form Definition File | Microsoft Notepad | Microsoft Corporation |
.SCA | Symantec Corporation | Data Files | Norton AntiVirus Scan File | Microsoft Notepad | Microsoft Corporation |
.SCC | Microsoft Corporation | Developer Files | SourceSafe Source Code Control File | Microsoft Visual Studio | Microsoft Corporation |
.SCF | Microsoft Corporation | System Files | Windows Explorer Command | Microsoft Windows | Microsoft Corporation |
.SCH | Autodesk, Inc. | Data Files | EAGLE Schematics File | Microsoft Schedule Plus | Microsoft Corporation |
.SCM | Gimpel Software | Plugin Files | GIMP Script-Fu Script | Microsoft PowerPoint | Microsoft Corporation |
.SCR | Microsoft Corporation | System Files | Windows Screensaver File | Microsoft Windows | Microsoft Corporation |
.SCRIPT | Unknown Developer | Executable Files | Generic Script File | Microsoft Notepad | Microsoft Corporation |
.SCT | Scitex | Raster Image Files | Scitex Continuous Tone File | Microsoft Visual Studio | Microsoft Corporation |
.SCX | RIX SoftWorks, Inc. | Raster Image Files | ColoRIX Bitmap Graphic File | Microsoft Visual FoxPro | Microsoft Corporation |
.SDC | Stardock Corporation | Backup Files | Stardock Central Download Archive | UnpackSDC | Microsoft Corporation |
.SDF | Microsoft Corporation | Database Files | SQL Server Compact Database File | Microsoft Visual Studio | Microsoft Corporation |
.SDI | Intuit, Inc. | Data Files | QuickBooks Data File | Microsoft Windows Embedded Studio | Microsoft Corporation |
.SDL | Microsoft Corporation | Developer Files | Service Description Language File | Microsoft Visual Studio | Microsoft Corporation |
.SDOC | Samsung Electronics | Data Files | Samsung Memo File | Microsoft Word 2016 | Microsoft Corporation |
.SDV | Pinnacle Systems Inc. | Video Files | Studio DV Project File | Microsoft Visual Studio | Microsoft Corporation |
.SE | Unknown Developer | Text Files | Shuttle Document | Microsoft Notepad | Microsoft Corporation |
.SEARCH-MS | Microsoft Corporation | Uncommon Files | Windows Saved Search File | Microsoft Windows | Microsoft Corporation |
.SEARCHCONNECTOR-MS | Microsoft Corporation | Data Files | Microsoft Windows Search Connector Description File | Microsoft Windows | Microsoft Corporation |
.SEC | Symantec Corporation | Uncommon Files | Pretty Good Privacy Secret Key Ring | Microsoft Windows | Microsoft Corporation |
.SED | Microsoft Corporation | Settings Files | IExpress Self Extraction Directive File | Microsoft IExpress Wizard | Microsoft Corporation |
.SEG | SEG (The Society of Exploration Geophysicists) | Data Files | SEG-2 Data File | LINK utility | Microsoft Corporation |
.SETTINGCONTENT-MS | Microsoft Corporation | Settings Files | Microsoft Windows 8.1 Configuration Data | Microsoft Windows 8 | Microsoft Corporation |
.SETTINGS | Microsoft Corporation | Settings Files | Microsoft Visual Studio Settings File | Microsoft Visual Studio | Microsoft Corporation |
.SF0 | Microsoft Corporation | System Files | Windows Sytem File Check File | Microsoft Windows | Microsoft Corporation |
.SF1 | The U.S. Census Bureau | Database Files | 2010 Census Summary File 1 | Microsoft Access | Microsoft Corporation |
.SFB | Sony | Game Files | PlayStation 3 Disc Data File | Microsoft Notepad | Microsoft Corporation |
.SFCACHE | Microsoft Corporation | System Files | ReadyBoost Cache File | Microsoft Windows | Microsoft Corporation |
.SFT | Microsoft Corporation | Uncommon Files | Microsoft App-V Sequencer File | Application Virtualization Sequencer | Microsoft Corporation |
.SHA | Corel | Graphic Files | CorelDraw Shader File | Microsoft Systems Management Server | Microsoft Corporation |
.SHB | Microsoft Corporation | Executable Files | Windows Document Shortcut | Microsoft Windows | Microsoft Corporation |
.SHD | Microsoft Corporation | System Files | Windows Print Job Shadow File | Microsoft Windows | Microsoft Corporation |
.SHG | Microsoft Corporation | Raster Image Files | Segmented Hyper-Graphic | Microsoft WinHelp | Microsoft Corporation |
.SHP | Autodesk, Inc. | 3D Image Files | AutoCAD Shape File | ACD Systems Canvas | Microsoft Corporation |
.SHPROJ | Microsoft Corporation | Developer Files | Visual Studio Code Sharing App Project File | Microsoft Visual Studio | Microsoft Corporation |
.SHS | Microsoft Corporation | Uncommon Files | Microsoft Scrap File | Microsoft Excel | Microsoft Corporation |
.SHT | The Document Foundation | Web Files | HTML File With Server Side Includes | Microsoft Notepad | Microsoft Corporation |
.SHTM | Opera Software | Video Files | HTML Server Side Include File | Microsoft Notepad | Microsoft Corporation |
.SHTML | Sublime HQ Pty Ltd | Web Files | Server Side Include HTML File | Microsoft Notepad | Microsoft Corporation |
.SID | Valve | Game Files | Steam Game Data Backup File | ACD Systems Canvas | Microsoft Corporation |
.SIF | Microsoft Corporation | Settings Files | Windows Setup Information File | Microsoft Notepad | Microsoft Corporation |
.SIG | Unknown Developer | Text Files | Signature File | Microsoft Outlook Express | Microsoft Corporation |
.SIK | Microsoft Corporation | Backup Files | Microsoft Word Backup | Microsoft Word | Microsoft Corporation |
.SILK | Microsoft Corporation | Spreadsheet Files | Microsoft Excel Symbolic Link Format | Microsoft Excel | Microsoft Corporation |
.SITEMAP | Microsoft Corporation | Web Files | ASP.NET Site Map File | Microsoft Visual Studio | Microsoft Corporation |
.SKI | Motorola | Settings Files | Motorola Phone Skin File | Microsoft Notepad | Microsoft Corporation |
.SKIN | Microsoft Corporation | Settings Files | ASP.NET Skin File | Microsoft Visual Studio | Microsoft Corporation |
.SKR | Symantec Corporation | Uncommon Files | PGP Private Keyring | Windows NT | Microsoft Corporation |
.SKV | Microsoft Corporation | Data Files | Semicolon Separated Values File | Microsoft Excel | Microsoft Corporation |
.SKX | Microsoft Corporation | Data Files | XLANG Schedule File | BizTalk Server | Microsoft Corporation |
.SLDM | Microsoft Corporation | Uncommon Files | Microsoft PowerPoint Macro-enabled Open XML Slide | Microsoft Excel | Microsoft Corporation |
.SLDX | Microsoft Corporation | Data Files | Microsoft PowerPoint Open XML Slide | Microsoft PowerPoint | Microsoft Corporation |
.SLK | Microsoft Corporation | Data Files | Symbolic Link File | Microsoft Excel | Microsoft Corporation |
.SLL | ShopTalk Systems | Developer Files | Static Link Library | Microsoft Office Web Components | Microsoft Corporation |
.SLN | Microsoft Corporation | Developer Files | Microsoft Visual Studio Solution File | Windows Installer XML | Microsoft Corporation |
.SLS | Sublime HQ Pty Ltd | Uncommon Files | Image Playlist | Microsoft WordPad | Microsoft Corporation |
.SMA | Don Ho | Developer Files | C/C++ Source Code File | Microsoft Visual Studio | Microsoft Corporation |
.SMD | Valve | 3D Image Files | Valve Studiomdl Data File | Microsoft Notepad | Microsoft Corporation |
.SMI | Apple | Disk Image Files | Self-Mounting Disk Image | Microsoft Windows Media Player | Microsoft Corporation |
.SMIL | "Synchronized Multimedia" Working Group (SYMM WG) | Video Files | SMIL(Synchronized Multimedia Integration Language) Presentation File | Internet Explorer | Microsoft Corporation |
.SML | ESRI | Developer Files | ARC/INFO Simple Macro Language File | Internet Explorer | Microsoft Corporation |
.SMS | Sega | Game Files | Sega Master System ROM | Microsoft Notepad | Microsoft Corporation |
.SND | Open Source | Audio Files | Sound File | Microsoft Windows Media Player | Microsoft Corporation |
.SNIP | Microsoft Corporation | Data Files | Microsoft Windows Snipping Tool Data File | Snipping Tool | Microsoft Corporation |
.SNIPPET | Microsoft Corporation | Developer Files | Visual Studio IntelliSense Code Snippet | Microsoft Visual Studio | Microsoft Corporation |
.SNK | Microsoft Corporation | Encoded Files | Strong Name Key File | Microsoft Visual Studio | Microsoft Corporation |
.SNP | Microsoft Corporation | Page Layout Files | Access Report Snapshot | Microsoft Access | Microsoft Corporation |
.SNT | Microsoft Corporation | Uncommon Files | Microsoft Windows Sticky Notes File | Sticky Notes | Microsoft Corporation |
.SOB | Apache Software Foundation | Raster Image Files | OpenOffice.org Impress Bimap Styles File | Microsoft Visual Basic | Microsoft Corporation |
.SOUNDS | id Software | Game Files | Quake 3 Engine Sound Definition File | Microsoft Notepad | Microsoft Corporation |
.SP1 | Microsoft Corporation | Data Files | Microsoft Windows XP With Service Pack 1 Installation Data | Microsoft Windows | Microsoft Corporation |
.SP2 | Amusement Vision (SEGA) | Game Files | Super Ball 2 Level File | Microsoft Windows XP Media Center Edition | Microsoft Corporation |
.SPB | Samsung Electronics | Data Files | Samsung Kies Phonebook File | Flight Simulator X | Microsoft Corporation |
.SPC | Various Developers | Web Files | Software Publisher Certificate File | File Signing Tool (Signcode.exe) | Microsoft Corporation |
.SPJ | IBM | Settings Files | SPSS Production Job File | Image Composite Editor | Microsoft Corporation |
.SPL | Microsoft Corporation | System Files | Windows Print Spool File | Microsoft Windows | Microsoft Corporation |
.SPOP | Opera Software | Data Files | InterTrust SPOP File | Internet Explorer | Microsoft Corporation |
.SPR | Valve | Raster Image Files | Half-Life Sprite File | Microsoft Visual FoxPro | Microsoft Corporation |
.SPS | IBM | Data Files | SPSS Program File | Microsoft Notepad | Microsoft Corporation |
.SPX | Xiph.Org | Audio Files | Ogg Vorbis Speex File | Microsoft Windows Media Player | Microsoft Corporation |
.SQL | Various Developers | Database Files | Structured Query Language Data File | Microsoft Notepad | Microsoft Corporation |
.SQLPROJ | Microsoft Corporation | Developer Files | Microsoft Visual Studio SQL Server Project | Microsoft Visual Studio | Microsoft Corporation |
.SQM | Microsoft Corporation | System Files | Service Quality Monitoring File | Microsoft Windows | Microsoft Corporation |
.SQR | Oracle Corporation | Data Files | SQL Program File | Microsoft SQL Server | Microsoft Corporation |
.SRC | Unknown Developer | Developer Files | Source Code File | Microsoft Notepad | Microsoft Corporation |
.SRE | Microsoft Corporation | Data Files | Windows CE 5.0 File | Microsoft Windows CE Embedded | Microsoft Corporation |
.SRF | NewTek | 3D Image Files | LightWave Surface File | Microsoft Visual Studio | Microsoft Corporation |
.SRG | Ketron | Uncommon Files | Ketron Single Registration File | Microsoft PowerPoint | Microsoft Corporation |
.SRQ | Microsoft Corporation | Data Files | Microsoft Windows Server Unprocessed Request File | Microsoft Windows Server 2016 | Microsoft Corporation |
.SRS | Microsoft Corporation | Settings Files | Outlook Send/Receive Settings File | Microsoft Outlook | Microsoft Corporation |