.SPR | Valve | 光柵圖像檔案 | Half-Life Sprite File | Microsoft Visual FoxPro | Microsoft Corporation |
.SPS | IBM | 資料檔案 | SPSS Program File | Microsoft Notepad | Microsoft Corporation |
.SPX | Xiph.Org | 音頻檔案 | Ogg Vorbis Speex File | Microsoft Windows Media Player | Microsoft Corporation |
.SQL | Various Developers | 資料庫檔案 | Structured Query Language Data File | Microsoft Notepad | Microsoft Corporation |
.SQLPROJ | Microsoft Corporation | 開發商檔案 | Microsoft Visual Studio SQL Server Project | Microsoft Visual Studio | Microsoft Corporation |
.SQM | Microsoft Corporation | 系統檔案 | Service Quality Monitoring File | Microsoft Windows | Microsoft Corporation |
.SQR | Oracle Corporation | 資料檔案 | SQL Program File | Microsoft SQL Server | Microsoft Corporation |
.SRC | Unknown Developer | 開發商檔案 | Source Code File | Microsoft Notepad | Microsoft Corporation |
.SRE | Microsoft Corporation | 資料檔案 | Windows CE 5.0 File | Microsoft Windows CE Embedded | Microsoft Corporation |
.SRF | NewTek | 三維圖像檔案 | LightWave Surface File | Microsoft Visual Studio | Microsoft Corporation |
.SRG | Ketron | 不常見的文件 | Ketron Single Registration File | Microsoft PowerPoint | Microsoft Corporation |
.SRQ | Microsoft Corporation | 資料檔案 | Microsoft Windows Server Unprocessed Request File | Microsoft Windows Server 2016 | Microsoft Corporation |
.SRS | Microsoft Corporation | 設置檔案 | Outlook Send/Receive Settings File | Microsoft Outlook | Microsoft Corporation |
.SRT | SourceForge | 視頻檔案 | SubRip Subtitle File | Microsoft Windows Media Player | Microsoft Corporation |
.SRW | Samsung Electronics | 相機原始文件 | Samsung RAW Image | Microsoft Windows Photos | Microsoft Corporation |
.SRX | Sublime HQ Pty Ltd | 資料檔案 | SPARQL Query Results XML Format Result | Microsoft Notepad | Microsoft Corporation |
.SS | Open Source | 開發商檔案 | SilverStripe Source Code File | Microsoft Notepad | Microsoft Corporation |
.SSC | Microsoft Corporation | 開發商檔案 | SourceSafe Status File | Microsoft Visual Studio | Microsoft Corporation |
.SSF | Unknown Developer | 視頻檔案 | Structured Subtitle Format File | Microsoft Notepad | Microsoft Corporation |
.SSH | Microsoft Corporation | 網絡文件 | Microsoft Internet Explorer Style Sheet | Internet Explorer | Microsoft Corporation |
.SSQ | Microsoft Corporation | 開發商檔案 | ODBC Script File | Microsoft ODBC Data Source Administrator | Microsoft Corporation |
.SST | Microsoft Corporation | 不常見的文件 | Serialized Certificate Store File | Certificate Manager Tool | Microsoft Corporation |
.SSU | Microsoft Corporation | 資料檔案 | SMS Hierarchy Manager Site Update | Microsoft Systems Management Server | Microsoft Corporation |
.STATE | Microsoft Corporation | 資料檔案 | Windows Photo Gallery User Data | Windows Photo Gallery | Microsoft Corporation |
.STC | Adobe Systems Incorporated | 網絡文件 | Contribute Connection Key File | Microsoft Notepad | Microsoft Corporation |
.STE | Adobe Systems Incorporated | 設置檔案 | Dreamweaver Site Settings File | Microsoft Notepad | Microsoft Corporation |
.STF | Microsoft Corporation | 資料檔案 | Exchange 2000 Server Temporary File | Microsoft Exchange Server | Microsoft Corporation |
.STG | Microsoft Corporation | 備份檔案 | ActiveSync Backup File | Microsoft ActiveSync | Microsoft Corporation |
.STL | 3D Systems | CAD檔案 | Stereolithography File | Microsoft IIS | Microsoft Corporation |
.STM | Microsoft Corporation | 資料檔案 | Exchange Streaming Media File | Microsoft Exchange Server | Microsoft Corporation |
.STN | ON1, Inc. | 向量圖像檔案 | Genuine Fractals Image | Flight Simulator X | Microsoft Corporation |
.STP | Unknown Developer | 三維圖像檔案 | STEP 3D CAD File | Microsoft SharePoint | Microsoft Corporation |
.STR | dBase, LLC | 資料檔案 | dBASE Structure List Object File | Microsoft Windows | Microsoft Corporation |
.STS | DuoS DSEMU | 遊戲檔案 | DuoS DSEMU Saved State File | Microsoft Visual C++ | Microsoft Corporation |
.STT | Microsoft Corporation | GIS檔案 | Streets & Trips Map Template | Microsoft AutoRoute | Microsoft Corporation |
.STVPROJ | Microsoft Corporation | 資料檔案 | Microsoft Visual Studio Data File | Microsoft Visual Studio | Microsoft Corporation |
.STY | Jørgen Sørensen / Jososoft | 音頻檔案 | Yamaha/Korg Keyboard Style | Microsoft DirectX | Microsoft Corporation |
.SUO | Microsoft Corporation | 開發商檔案 | Visual Studio Solution User Options File | Microsoft Visual Studio | Microsoft Corporation |
.SVC | Microsoft Corporation | 網絡文件 | WCF Web Service File | Microsoft Internet Information Services (IIS) | Microsoft Corporation |
.SVCLOG | Microsoft Corporation | 資料檔案 | Microsoft Visual Studio Diagnostics Data | Microsoft Visual Studio | Microsoft Corporation |
.SVG | Nintendo | 遊戲檔案 | Saved Game File | Microsoft Visio | Microsoft Corporation |
.SVH | IEEE Xplore | 開發商檔案 | SystemVerilog Source Code Header File | Microsoft Notepad | Microsoft Corporation |
.SVS | Nintendo | 遊戲檔案 | Game Boy Advance Saved State File | Microsoft Word | Microsoft Corporation |
.SVX | The Survex Project | GIS檔案 | Survex Cavern Data File | Microsoft Notepad | Microsoft Corporation |
.SWAP | Microsoft Corporation | 系統檔案 | Swap File | Microsoft Windows | Microsoft Corporation |
.SWM | Microsoft Corporation | 磁片圖像檔案 | Split Windows Imaging Format File | Microsoft ImageX | Microsoft Corporation |
.SWP | Microsoft Corporation | 系統檔案 | Swap File | Microsoft Windows | Microsoft Corporation |
.SWV | Microsoft Corporation | 遊戲檔案 | Microsoft Sidewinder Game Voice Settings File | SideWinder Game Voice Utility | Microsoft Corporation |
.SY3 | Harvard Graphics | 資料檔案 | Harvard Graphics Symbol File | ACD Systems Canvas | Microsoft Corporation |
.SYL | Microsoft Corporation | 資料檔案 | Symbolic Link Spreadsheet | Microsoft Excel | Microsoft Corporation |
.SYLK | Microsoft Corporation | 資料檔案 | Microsoft Symbolic Link File | Microsoft Excel | Microsoft Corporation |
.SYNC | Apple | 資料檔案 | Apple ColorSync File | Microsoft Visual Studio | Microsoft Corporation |
.SYS | Microsoft Corporation | 系統檔案 | Windows System File | Microsoft Windows | Microsoft Corporation |
.SYSTEM | Open Source | 遊戲檔案 | Vega Strike Virtual System File | Microsoft Notepad | Microsoft Corporation |
.SY_ | Microsoft Corporation | 壓縮檔案 | Compressed SYS File | Microsoft Expand | Microsoft Corporation |
.T | Holt Software | 開發商檔案 | Turing Source Code File | Microsoft Notepad | Microsoft Corporation |
.T2 | RM Education | 資料檔案 | Textease 2000 File | Microsoft Windows | Microsoft Corporation |
.T3D | Epic Games | 三維圖像檔案 | Unreal Engine 3D Object File | Microsoft Windows Media Player | Microsoft Corporation |
.TAB | Microsoft Corporation | 文字檔 | Tab Separated Data File | Microsoft Excel | Microsoft Corporation |
.TBB | Microsoft Corporation | 設置檔案 | Microsoft Office Toolbar Button | Microsoft Office | Microsoft Corporation |
.TBK | SumTotal Systems | 資料檔案 | ToolBook Project File | Microsoft Visual FoxPro | Microsoft Corporation |
.TCM | IMSI/Design, LLC | CAD檔案 | TurboCAD Mac Drawing | Microsoft Notepad | Microsoft Corporation |
.TDX | D-TEG Security Co. | 視頻檔案 | D-TEG CCTV Video Information File | Microsoft Visual FoxPro | Microsoft Corporation |
.TESTRUNCONFIG | Microsoft Corporation | 設置檔案 | Microsoft Visual Studio Test Run Configuration File | Microsoft Visual Studio | Microsoft Corporation |
.TESTSETTINGS | Microsoft Corporation | 開發商檔案 | Visual Studio Test Settings File | Microsoft Visual Studio | Microsoft Corporation |
.TEXT | Sublime HQ Pty Ltd | 文字檔 | Plain Text File | Microsoft Notepad | Microsoft Corporation |
.TGA | Avid Technology | 光柵圖像檔案 | Targa Graphic | ACD Systems Canvas | Microsoft Corporation |
.TGD | Planetside Software | 資料檔案 | Terragen Project File | Microsoft Notepad | Microsoft Corporation |
.TGML | Unknown Developer | 開發商檔案 | Tecumseh Group Markup Language Source Code | Microsoft Notepad | Microsoft Corporation |
.THE | Microsoft Corporation | 設置檔案 | Microsoft Plus! Theme File | Microsoft Plus! | Microsoft Corporation |
.THEME | Microsoft Corporation | 系統檔案 | Microsoft Plus! Desktop Theme | Microsoft Windows | Microsoft Corporation |
.THEMEPACK | Microsoft Corporation | 設置檔案 | Microsoft Windows 7 Theme Pack | Microsoft Windows 7 | Microsoft Corporation |
.THM | Sony | 不常見的文件 | Sony Ericsson Mobile Phone Theme File | Microsoft Windows Picture and Fax Viewer | Microsoft Corporation |
.THMX | Microsoft Corporation | 設置檔案 | Microsoft Office 2007 Theme File | Microsoft Excel | Microsoft Corporation |
.TIF | XnSoft | 光柵圖像檔案 | Tagged Image File Format | Microsoft Windows Photos | Microsoft Corporation |
.TIFF | XnSoft | 光柵圖像檔案 | Tagged Image File Format | Microsoft Windows Photos | Microsoft Corporation |
.TIM | Sierra Entertainment | 遊戲檔案 | The Incredible Machine Level | Microsoft Windows Photos | Microsoft Corporation |
.TIVO | TiVo Corporation | 視頻檔案 | TiVo Video File | Windows Media Center | Microsoft Corporation |
.TLB | Various Developers | 文字檔 | VAX Text Library | Microsoft Excel | Microsoft Corporation |
.TLD | The Eclipse Foundation | 開發商檔案 | Tag Library Descriptor File | Microsoft XML Notepad | Microsoft Corporation |
.TLH | Microsoft Corporation | 開發商檔案 | Typelib Generated C/C++ Header File | Microsoft Visual Studio | Microsoft Corporation |
.TLI | Microsoft Corporation | 開發商檔案 | Typelib Generated C/C++ Inline File | Microsoft C/C++ | Microsoft Corporation |
.TMP | Mozilla | 備份檔案 | General Temporary File | Internet Explorer | Microsoft Corporation |
.TMPL | Xfire, Inc. | 不常見的文件 | Xfire User Interface Template | Visual Studio Code | Microsoft Corporation |
.TNEF | Microsoft Corporation | 不常見的文件 | Transport Neutral Encapsulation Format | Microsoft Outlook Express | Microsoft Corporation |
.TOPC | 3d-scape Limited | 資料檔案 | TopicCrunch Project File | Microsoft Notepad | Microsoft Corporation |
.TPL | Unknown Developer | 文字檔 | Document Template | ACD Systems Canvas | Microsoft Corporation |
.TRC | Microsoft Corporation | 資料庫檔案 | SQL Server Trace File | Microsoft SQL Server | Microsoft Corporation |
.TRI | Singular Inversions | 三維圖像檔案 | FaceGen Polygonal Model File | Microsoft Notepad | Microsoft Corporation |
.TRN | Microsoft Corporation | 備份檔案 | SQL Server Transaction Log Backup File | Microsoft SQL Server | Microsoft Corporation |
.TRX | Microsoft Corporation | 開發商檔案 | Visual Studio Test Results File | Microsoft Visual Studio | Microsoft Corporation |
.TRY | Microsoft Corporation | 不常見的文件 | SCCM 2012 R2 Despoolr.box | Microsoft system center configuration manager | Microsoft Corporation |
.TS | Various Developers | 視頻檔案 | Video Transport Stream File | Microsoft Visual Studio | Microsoft Corporation |
.TSK | Microsoft Corporation | 設置檔案 | Pocket PC Skin | Microsoft ActiveSync | Microsoft Corporation |
.TSP | Inmatrix Media Solutions | 視頻檔案 | Digital TV DVR Recording | Microsoft Windows | Microsoft Corporation |
.TSQ | Microsoft Corporation | 開發商檔案 | ODBC Script File | Microsoft ODBC Data Source Administrator | Microsoft Corporation |
.TSV | Unknown Developer | 資料檔案 | Tab Separated Values File | Microsoft Excel | Microsoft Corporation |
.TT | Microsoft Corporation | 開發商檔案 | Visual Studio Text Template | Microsoft Visual Studio | Microsoft Corporation |
.TT2 | Microsoft Corporation | 臨時文件 | Microsoft Office 2013 Installation | Microsoft Office | Microsoft Corporation |
.TTA | True Audio | 音頻檔案 | True Audio File | Microsoft Windows Media Player | Microsoft Corporation |