| 1 | 3RF | Global Publishing Solutions Ltd, UK | Advent 3B2 Extensions Script Cross Reference |
| 2 | AAH | N/A | Amazingly Abstracted HTML document |
| 3 | ACTION | Apple | Automator Action |
| 4 | ADA | N/A | Ada Source Code |
| 5 | AHK | AutoHotkey | AutoHotkey Script |
|
| 6 | AHTML | N/A | HTML |
| 7 | AIA | Adobe Systems | Adobe Illustrator Action Format |
| 8 | AIDL | Google Inc. | AIDL Interface |
| 9 | AIML | Dr. Richard S. Wallace | Artificial Intelligence Markup Language File |
| 10 | AIRI | Adobe Systems Incorporated | Adobe AIR Intermediate |
| 11 | AMOS | IBM | AMOS Basic Code |
| 12 | APLT | Apple, Inc. | Mac OS X AppleScript Applet |
| 13 | APPCACHE | N/A | HTML5 Cache Manifest |
| 14 | APPLESCRIPT | Apple | AppleScript Format |
| 15 | APPLET | Eclipse | Eclipse Java Applet Policy Format |
| 16 | APPXUPLOAD | Microsoft | Windows 8 App Upload Package |
| 17 | APS | Microsoft | Visual C++ Resource Format |
| 18 | ARMX | Microsoft Corporation | ASP.NET Source |
| 19 | ARXML | AUTOSAR | AUTOSAR XML |
| 20 | AS | Adobe Systems | ActionScript Format |
| 21 | ASAX | Microsoft | ASP.NET Application Optional Source Format |
| 22 | ASCX | Microsoft | ASP.NET User Control Format |
| 23 | ASM | N/A | Assembler Source Code Format |
| 24 | ASMX | Microsoft | ASP.NET Web Service Format |
| 25 | ASP | Microsoft | Active Server Page |
| 26 | ASP+ | N/A | ASP.NET ASP+ file |
| 27 | ASPROJ | Microsoft Corporation | Microsoft Visual Studio Analysis Services Project |
| 28 | ASPX | Microsoft | Active Server Page Extended Format |
| 29 | ATOMSVC | Microsoft | Atom Service Document |
| 30 | AU3 | AutoIt | AutoIt V3 Script |
| 31 | AXD | Microsoft | ASP.NET Web Handler Format |
| 32 | AXS | N/A | ActiveX Script |
| 33 | BAL | N/A | Borland Programming Language Source Code |
| 34 | BAS | N/A | BASIC Source Code Format |
| 35 | BASH | Apple, Inc. | Unix Shell Script (bash) |
| 36 | BAT | Microsoft | Batch Format (executable) |
| 37 | BA_ | Microsoft | Renamed BAT Format |
| 38 | BB | Blitz Research | Blitz Source Code Format |
| 39 | BCC | Embarcadero Technologies | Borland C++ Format/makefile |
| 40 | BCP | Borland | Borland C++ Makefile |
| 41 | BDSPROJ | Embarcadero Technologies | BDS Project Format |
| 42 | BDT | ABBYY | Lingvo Dictionary |
| 43 | BET | N/A | BETA Source Format |
| 44 | BETA | N/A | Beta programming language source code |
| 45 | BML | N/A | Bean Markup Language Format |
| 46 | BRX | Qualcomm | BREW Application Resource Format |
| 47 | BS2 | Parallax | BASIC Stamp 2 Code Format |
| 48 | BSH | Patrick Niemeyer | BeanShell Script |
| 49 | BTPROJ | N/A | Microsoft BizTalk Server project |
| 50 | BUFFEREDIMAGE | Oracle Corporation | Java Class |
| 51 | BUILD | SourceForge | NAnt Build Tool |
| 52 | BUILDER | N/A | Builder Script |
| 53 | BUILDPATH | Eclipse | Eclipse XML Build Path Format |
| 54 | BUR | Fluffy Smoke Entertainment | BuRg3r Source Code Format |
| 55 | C | N/A | C/C++ Source Code Format |
| 56 | C# | N/A | Microsoft Visual C# data |
| 57 | C++ | N/A | Generic |
| 58 | CAPFILE | Ruby community | Ruby Capistrano Instruction |
| 59 | CBL | N/A | COBOL Source Code Format |
| 60 | CC | N/A | C++ Source Code Format |
| 61 | CCXML | N/A | Call Control EXtensible Markup Language |
| 62 | CFM | Adobe Systems | ColdFusion Markup Format |
| 63 | CFML | Adobe Systems | ColdFusion Markup Language Format |
| 64 | CG | NVIDIA | Cg Program |
| 65 | CGI | N/A | Common Gateway Interface Script |
| 66 | CGVP | NVIDIA Corporation | NVidia Cg Programming Language XML |
| 67 | CGX | ARM Holdings plc | ARM RL-TCPnet HTTP Web Server XML Web Page Update Script |
| 68 | CHH | N/A | C++ Header |
| 69 | CKM | N/A | Creation Kit macro |
| 70 | CLJ | N/A | Clojure Source Code |
| 71 | CLOJURE | N/A | Clojure source code |
| 72 | CLS | N/A | LaTeX Document Class Format |
| 73 | CLW | Microsoft | Visual C++ ClassWizard Format |
| 74 | CMAKE | Kitware, Inc. | CMake Module |
| 75 | COB | N/A | COBOL Source Code Format |
| 76 | COD | N/A | Compiled Source Code |
| 77 | COFFEE | N/A | CoffeeScript JavaScript Format |
| 78 | COMMAND | Apple | Terminal Command Format |
| 79 | COMMON | Apple, Inc. | Unix Script |
| 80 | CONFIGURE | The Open Group | Bash |
| 81 | CP | Apple | Xcode C++ Source Format |
| 82 | CPHD | CloudChan | CloudChan Pre-processed Hypertext Document |
| 83 | CPLIST | N/A | GNU makefile |
| 84 | CPP | Standard C++ Foundation | C++ Source Code Format |
| 85 | CS | Microsoft | Visual C# Source Code Format |
| 86 | CSB | Corel Corporation | Corel PHOTO-PAINT Script |
| 87 | CSC | ValuSoft | 18 Wheels Of Steel: Pedal To The Metal Game |
| 88 | CSHRC | N/A | UNIX Command |
| 89 | CSON | N/A | Generic |
| 90 | CSPROJ | Microsoft | Visual Studio C# Project |
| 91 | CSX | Microsoft | Visual C# Script |
| 92 | CXE | N/A | Common XML Envelope |
| 93 | CXX | N/A | C++ Source Code Format |
| 94 | C__ | N/A | C++ Source Code |
| 95 | D | N/A | D Source Code Format |
| 96 | DBG | Microsoft | FoxPro Debugger Configuration |
| 97 | DBML | Microsoft | Visual Studio OR Design Format |
| 98 | DBP | Microsoft Corporation | Microsoft Visual Studio Visual C++ Database Project |
| 99 | DBPROJ | Microsoft | Visual Studio Database Project Format |
| 100 | DCU | Embarcadero Technologies | Delphi Compiled Unit |
| 101 | DEP | Microsoft | Windows Dependency Format |
| 102 | DEVPAK | Bloodshed | Dev-C++ Developer Package |
| 103 | DHTML | N/A | Dynamic HTML Format |
| 104 | DIFF | Matt Mackall | Diff Source |
| 105 | DIST | Apple | Mac OS X Distribution Script |
| 106 | DO | N/A | Java Servlet |
| 107 | DOB | N/A | Visual Basic UserDocument |
| 108 | DOCSTATES | Microsoft Corporation | Microsoft Visual Studio Document Tab Well |
| 109 | DPK | Embarcadero Technologies | Delphi Package |
| 110 | DPLT | Apple, Inc. | AppleScript Droplet |
| 111 | DPR | Embarcadero Technologies | Delphi Project |
| 112 | DPROJ | Embarcadero Technologies | Delphi Project |
| 113 | DQY | Microsoft | Excel Query Format |
| 114 | DSD | Autodesk | AutoCAD Drawing Set Description Format |
| 115 | DTD | N/A | Document Type Definition Format |
| 116 | DTX | N/A | Documented LaTeX Format |
| 117 | DVB | Autodesk | DVBLine Document |
| 118 | DWT | Adobe Systems | Dreamweaver Web Page Template |
| 119 | EAF | N/A | ELAN Annotation Format |
| 120 | ECORE | The Eclipse Foundation | Kermeta Ecore Diagram |
| 121 | ECOREDIAG | The Eclipse Foundation | Kermeta Ecore Diagram Information |
| 122 | EDML | Adobe Systems | Adobe Extension Data Markup Language Document |
| 123 | EGG-INFO | N/A | Python Egg |
| 124 | EL | The GNU Project | Emacs Lisp Code Format |
| 125 | ENTITLEMENTS | Apple | Mac App Sandboxing Entitlements Format |
| 126 | ERUBIS | kuwata-lab | Erubis Script |
| 127 | ES6 | N/A | JavaScript source code |
| 128 | EXSD | The Eclipse Foundation | Eclipse IDE Extension Point Schema |
| 129 | EZE | N/A | ErZorScript Source |
| 130 | F | N/A | Fortran Source Code |
| 131 | F90 | N/A | Fortran 90 Source Code Format |
| 132 | FACTORYPATH | The Eclipse Foundation | Eclipse Factorypath |
| 133 | FCG | N/A | FastCGI Script |
| 134 | FCGI | FastCGI | FastCGI Format |
| 135 | FDML | N/A | Forms Definition Markup Language |
| 136 | FGB | N/A | Valve SDK Source |
| 137 | FOR | N/A | Fortran 77 Source Format |
| 138 | FORM | Oracle Corporation | Java Form |
| 139 | FOUNTAIN | N/A | Fountain Syntax |
| 140 | FS | Microsoft | Visual F# Source Format |
| 141 | FSI | Microsoft | Visual F# Signature Format |
| 142 | FSPROJ | Microsoft | Visual F# Project Format |
| 143 | FSSCRIPT | Microsoft | Visual F# Script |
| 144 | FSX | Microsoft | Visual F# Script Format |
| 145 | FTN | N/A | Fortran Source Code Format |
| 146 | FXML | Oracle Corporation | Oracle FXML Language Source Code |
| 147 | GCH | The GNU Project | C++ Precompiled Header |
| 148 | GCODE | N/A | G-code Source |
| 149 | GEMFILE | Ruby community | Ruby RubyGems |
| 150 | GEOJSON | GeoJSON | GeoJSON Format |
| 151 | GHC | Microsoft Corporation | Visual Basic Constant Map |
| 152 | GLADE | The Glade Project | Glade Project Format |
| 153 | GNUMAKEFILE | GNU | GNU Makefile |
| 154 | GO | Google | Google Go Programming Language Source Code |
| 155 | GP | Arobas Music | Guitar Pro |
| 156 | GRAPHML | The GraphML Team | GraphML Format |
| 157 | GROOVY | VMware, Inc. | Groovy Source Code Format |
| 158 | GRXML | N/A | Grammar |
| 159 | GVY | VMware, Inc. | Groovy Source Code Format |
| 160 | GXL | R. C. Holt | Graph Exchange Language Format |
| 161 | GYP | Microsoft Corporation | Google Chromium GYP Input Configuration |
| 162 | GYPI | N/A | Chrome/Chromium Include |
| 163 | H | N/A | C/C++/Objective-C Header Format |
| 164 | H++ | N/A | Generic |
| 165 | HAML | Sublime HQ Pty Ltd | HTML Abstraction Markup Language |
| 166 | HDF | N/A | Hierarchical Data Format |
| 167 | HLSL | Microsoft | High Level Shader Language Format |
| 168 | HS | N/A | Haskell Script |
| 169 | HT4 | N/A | HTML Version 4 |
| 170 | HTM | N/A | Hypertext Markup Language Format |
| 171 | HTML5 | N/A | HTML5 Hypertext Markup Language Revision 5 Source |
| 172 | HTR | Microsoft Corporation | Microsoft Windows NT Password Services Script |
| 173 | HXML | Haxe | HaXe Make |
| 174 | HXP | Haxe | HaXe Project |
| 175 | HXX | N/A | C++ Source Code Header Format |
| 176 | H__ | N/A | C++ Header |
| 177 | IDB | Microsoft | Visual Studio Intermediate Debug Format |
| 178 | II | Axialis Software | IconWorkshop Extended Information Format |
| 179 | INC | N/A | Include Format |
| 180 | IPB | N/A | IPhone Perl Script |
| 181 | IPCH | Microsoft | Intellisense Precompiled Header Format |
| 182 | IRB | N/A | VarioCAM thermogram |
| 183 | IRBRC | Ruby community | Ruby |
| 184 | IREV | RunRev Ltd. | Runtime Revolution Script |
| 185 | ISA | Adobe Systems Incorporated | Adobe Photoshop ImageReady Action |
| 186 | ITMX | N/A | XMILE XML Model Interchange Language |
| 187 | J | Oracle | Java Source Format |
| 188 | J3D | N/A | Generic |
| 189 | JACL | IBM | IBM WebSphere Server Script |
| 190 | JAD | Oracle | Java Application Descriptor Format |
| 191 | JADE | N/A | Jade Programming Language Source Code |
| 192 | JAV | Oracle | Java Source Format |
| 193 | JAVA | Oracle | Java Source Code Format |
| 194 | JGS | Jolly Giant Software Inc. | QWS3270 PLUS Script |
| 195 | JI | N/A | Join-Calculus interface source code |
| 196 | JML | N/A | Java Modeling Language Specification |
| 197 | JS | N/A | JavaScript Format |
| 198 | JSA | Adobe Systems Incorporated | JRun Server Application |
| 199 | JSC | N/A | JavaScript Config |
| 200 | JSCRIPT | N/A | Microsoft JScript source code |
| 201 | JSE | Microsoft | JScript Encoded Format |
| 202 | JSF | Adobe | Adobe Fireworks Batch Script |
| 203 | JSFL | Adobe Systems | Flash JavaScript Format |
| 204 | JSON | N/A | JavaScript Object Notation Format |
| 205 | JSONP | N/A | JSON-with-padding Source Code |
| 206 | JSP | Oracle | Java Server Page |
| 207 | JSX | Adobe Systems | ExtendScript Script Format |
| 208 | JSXINC | Adobe Systems | ExtendScript Included Script Format |
| 209 | JU | N/A | JU source code |
| 210 | JUDO | N/A | JudoScript source code |
| 211 | KCL | Nintendo | Mario Kart Collision Format |
| 212 | KD | N/A | Generic |
| 213 | KIX | KiXtart | KiXtart Script Format |
| 214 | KL3 | N/A | KL3 source code |
| 215 | KMDI | The Eclipse Foundation | Kermeta |
| 216 | KMT | The Eclipse Foundation | Kermeta |
| 217 | KSH | N/A | Unix Korn Shell Script |
| 218 | KT | JetBrains | Kotlin Source Code File |
| 219 | KTS | JetBrains | Kotlin Script |
| 220 | L | Mike Lesk | Lex Source Format |
| 221 | LAP | N/A | Generic |
| 222 | LASSO | LassoSoft | Lasso Database-Driven Web Page |
| 223 | LESS | Alexis Sellier | LESS Style Sheet |
| 224 | LHS | N/A | Literate Haskell Script |
| 225 | LIS | N/A | SQR Output Format |
| 226 | LISP | N/A | Lisp Source Code Format |
| 227 | LITCOFFEE | N/A | Literate CoffeeScript source code |
| 228 | LOC | N/A | GPS Location Format |
| 229 | LOGIN | The Open Group | UNIX Command |
| 230 | LOL | Adam Lindsay | LOLCODE Source Code FIle |
| 231 | LOLS | N/A | LOLCODE Source Code |
| 232 | LSP | N/A | Lisp Program Source Code Format |
| 233 | LSS | IBM | LotusScript Source Code |
| 234 | LUA | PUC-Rio | Lua Source Format |
| 235 | M | Apple | Objective-C Implementation Format |
| 236 | M2R | N/A | Avaya Mib2Rules Perl Script |
| 237 | M4 | N/A | Macro Processor Library |
| 238 | MAC | Apple | MacPaint Image |
| 239 | MAK | N/A | Makefile |
| 240 | MAKE | Apple | Xcode Makefile Script |
| 241 | MAKEFILE | N/A | Makefile |
| 242 | MAML | Microsoft Corporation | Microsoft Assistance Markup Language |
| 243 | MASTER | Microsoft | ASP.NET Master Page |
| 244 | MATLAB | N/A | Matlab Script |
| 245 | MCML | Microsoft Corporation | Microsoft Windows Media Center MCML |
| 246 | MDP | Microsoft | Visual C++ 5 Workspace Format |
| 247 | MEDIAWIKI | N/A | Mediawiki Source |
| 248 | MFA | Clickteam | Multimedia Fusion Development Format |
| 249 | MFL | Mozilla | Mozilla FastLoad Format |
| 250 | MHL | N/A | Generic |
| 251 | MK | N/A | Makefile |
| 252 | ML | Robin Milner | ML Source Code Format |
| 253 | MLY | N/A | OCaml Ocamlyacc Input |
| 254 | MM | FreeMind | Objective-C++ Source Format |
| 255 | MPM | Corel Corporation | Corel WordPerfect MathPlan Macro Format |
| 256 | MQ5 | MetaQuotes Software | MQL5 Source Code File |
| 257 | MRL | N/A | MRLR Multimedia Retrival Markup Language |
| 258 | MRS | Corel Corporation | Corel WordPerfect Macro Resource Format |
| 259 | MSDL | N/A | Manchester Scene Description Language |
| 260 | MSH1XML | Microsoft | Monad Display Configuration File |
| 261 | MSH2 | N/A | Microsoft Shell script |
| 262 | MSH2XML | N/A | Windows PowerShell script |
| 263 | MSHA | Microsoft | Microsoft Help Asset Format |
| 264 | MST | Microsoft | Windows Installer Setup Transform Format |
| 265 | MW | Maplesoft | Maple Worksheet |
| 266 | MXE | Corel Corporation | Corel Quattro Pro Startup Macro Format |
| 267 | NAPJ | N/A | Navicat Premium batch job |
| 268 | NETBOOT | The Open Group | Unix Netboot Script |
| 269 | NJ | N/A | Nunjucks template |
| 270 | NJK | N/A | Nunjucks template |
| 271 | NOKOGIRI | Nokogiri Team | Nokogiri Source |
| 272 | NSCONFIG | N/A | nsconfig authentication data |
| 273 | NT | Microsoft | Windows NT Startup Format |
| 274 | NUNJ | N/A | Nunjucks template |
| 275 | NUNJS | N/A | Nunjucks template |
| 276 | NUNJUCKS | N/A | Nunjucks template |
| 277 | NUPKG | NuGet | NuGet Package |
| 278 | O | N/A | Compiled Object Format |
| 279 | ODL | Microsoft | Object Description Language Format |
| 280 | OGR | N/A | OGR C++ Open Source Library |
| 281 | OPLM | N/A | Outline Processor Markup Language |
| 282 | OQY | Microsoft | Excel OLAP Query Format |
| 283 | OSAS | N/A | Apple Script Library Tani Script |
| 284 | P | Python | Pascal Source Code |
| 285 | P5 | N/A | Perl script language source code |
| 286 | P6 | N/A | Perl 6 Source Code Format |
| 287 | PAG | Microsoft Corporation | Visual Basic Property PAGe |
| 288 | PAS | Niklaus Wirth | Pascal Source Format |
| 289 | PAWN | N/A | Generic |
| 290 | PCH | MSC Software | Precompiled Header Format |
| 291 | PDB | Microsoft | Program Database |
| 292 | PDML | N/A | Packet Details Markup Language |
| 293 | PERL | The Software Group | Perl Source |
| 294 | PH | N/A | Perl Header Format |
| 295 | PHL | Amazon | Kindle Popular Highlights Format |
| 296 | PHP | N/A | PHP Source Code Format |
| 297 | PHP1 | The PHP Group | PHP1 Auto |
| 298 | PHP2 | The PHP Group | PHP Version 2 Script (HyperText PreProcessor) |
| 299 | PHP3 | N/A | PHP 3 Web Page |
| 300 | PHP4 | N/A | PHP 4 Web Page |
| 301 | PHP5 | N/A | PHP 5 Web Page |
| 302 | PHPS | The PHP Group | PHP Script Source Code |
| 303 | PHTML | N/A | PHP Web Page |
| 304 | PJT | Golden Software | FoxPro Project Memo |
| 305 | PL | N/A | Perl Script |
| 306 | PL6 | N/A | Generic |
| 307 | PLX | N/A | Perl Executable Format |
| 308 | PM | IBM | Perl Module |
| 309 | POD | Terminal Reality | Perl POD Format |
| 310 | POIX | N/A | Point of interest exchange data |
| 311 | PPA | Microsoft | PowerPoint Add-in |
| 312 | PPAM | Microsoft | PowerPoint 2007 Add-In |
| 313 | PPML | N/A | Personalized Print Markup Language |
| 314 | PRG | N/A | Program Format |
| 315 | PRL | Corel Corporation | Corel PaintShop Photo Pro Rough Leather Preset |
| 316 | PS1 | Microsoft | Windows PowerShell Cmdlet Format |
| 317 | PS2XML | Microsoft Corporation | Windows PowerShell |
| 318 | PSC1 | Microsoft | Windows PowerShell Console Format |
| 319 | PSC2 | Microsoft Corporation | Microsoft Windows PowerShell Script |
| 320 | PSD1 | Microsoft | Windows PowerShell Data Format |
| 321 | PSGI | N/A | PSGI script |
| 322 | PSM1 | Microsoft | Windows PowerShell Script Module Format |
| 323 | PSML | N/A | Packet Summary Markup Language |
| 324 | PTXML | Microsoft Corporation | Microsoft Windows DLL XML Related |
| 325 | PY | Python Software Foundation | Python Script |
| 326 | PY3 | N/A | Python 3 script |
| 327 | PYC | Python Software Foundation | Python Compiled Format |
| 328 | PYM | VRVis Research | PYM Macro Preprocessor Format |
| 329 | PYT | Python Software Foundation | Python Declaration |
| 330 | PYW | N/A | Python GUI Source Format |
| 331 | QDL | N/A | QDL Program |
| 332 | QRY | N/A | Query Format |
| 333 | R | Apple | Rez Source Code Format |
| 334 | RADIUS | N/A | Ruby-Radius Scipt |
| 335 | RAKE | Ruby community | Ruby Makefile |
| 336 | RAKEFILE | Ruby community | Ruby Makefile |
| 337 | RAPC | BlackBerry (Research In Motion Limited) | Java 2 ME Unit |
| 338 | RB | N/A | Ruby Source Code |
| 339 | RBF | Microsoft | Windows Installer Rollback Format |
| 340 | RBP | REAL Software | Real Studio Project Format |
| 341 | RBW | N/A | Ruby |
| 342 | RC | Microsoft | Resource Script |
| 343 | RC2 | Microsoft | Visual Studio Resources Format |
| 344 | RCC | Autodesk | Recap Compressed Structured Scan Data File |
| 345 | RDF | N/A | Resource Description Framework Format |
| 346 | RDOC | James Britt | RubyDoc Script |
| 347 | RE | N/A | Python Regular Expressions Source Code |
| 348 | REJ | N/A | Mercurial Reject |
| 349 | RESJSON | Microsoft | Windows JavaScript Resources Format |
| 350 | RESX | Microsoft | .NET Managed Resources Format |
| 351 | RH | Microsoft Corporation | C++ Resource Header |
| 352 | RHTML | N/A | Ruby HTML Web Page |
| 353 | RML | Autodesk | Redline Markup Language Format |
| 354 | ROR | N/A | ROR Structured Feed |
| 355 | RPROFILE | N/A | Quick-R R Programming Language Configuration |
| 356 | RPROJ | The R Project for Statistical Computing | R Project |
| 357 | RPY | Team Shanghai Alice | Python Script |
| 358 | RPYM | N/A | RenPy Module |
| 359 | RQY | Microsoft Corporation | Microsoft Excel OLE DB Query |
| 360 | RRC | BlackBerry (Research In Motion Limited) | BlackBerry Java Resource Content |
| 361 | RRH | BlackBerry (Research In Motion Limited) | BlackBerry Resource Header |
| 362 | RTML | N/A | Runeberg Text Markup Language document |
| 363 | RUB | The jQuery Foundation | JQuery Rules |
| 364 | RUN | N/A | Linux Executable Format |
| 365 | RWS | Embarcadero Technologies, Inc. | Borland C++ Resource Workshop Symbol Format |
| 366 | S | N/A | Source Code Format |
| 367 | S43 | Texas Instruments Inc. | IAR Assembly Source |
| 368 | SAAS | N/A | Sass Indented Syntax |
| 369 | SAL | Oracle Corporation | SQL Application Language |
| 370 | SAMI | Sublime HQ Pty Ltd | Synchronized Accessible Media Interchange Format |
| 371 | SASS | N/A | Syntactically Awesome Stylesheets Indented Syntax |
| 372 | SBML | N/A | Systems Biology Markup Language Source |
| 373 | SBR | Microsoft | Visual Studio Source Browser Intermediate Format |
| 374 | SCB | Electronic Arts, Inc. | Command & Conquer World Builder Script Format |
| 375 | SCPT | Apple | AppleScript Script Format |
| 376 | SCPTD | Apple, Inc. | AppleScript Script Bundle |
| 377 | SCRIPT EDITOR | N/A | AppleScript script |
| 378 | SCRIPTSUITE | Apple | AppleScript Script Suite Format |
| 379 | SCRIPTTERMINOLOGY | Apple | AppleScript Script Terminology Format |
| 380 | SCSS | N/A | Syntactically Awesome Stylesheets Syntax |
| 381 | SCT | Scitex | Scitex Continuous Tone Format |
| 382 | SDEF | Apple | AppleScript Dictionary Document |
| 383 | SDL | N/A | Corel Paradox Script Format |
| 384 | SER | Applied Biosystems | GeneMapper Project Format |
| 385 | SFX | N/A | Windows Self-Extracting Archive |
| 386 | SH | N/A | Bash Shell Script |
| 387 | SHIT | N/A | Bourne Shell Server Page |
| 388 | SL | N/A | Software License Format |
| 389 | SLIM | N/A | Slim Script |
| 390 | SLN | Microsoft | Visual Studio Solution Format |
| 391 | SMALI | Google | Android Smali Assembly Language Format |
| 392 | SNAPX | Snapform | Snapform XML Form |
| 393 | SNO | Simulation Curriculum | Starry Night Pro Data File |
| 394 | SPR | Microsoft | Microsoft FoxPro Form Source Format |
| 395 | SRC | N/A | Source Code |
| 396 | SS | SilverStripe | Scheme Source Code Format |
| 397 | SSI | Adobe Systems | Adobe Dreamweaver Server Side Include Format |
| 398 | STM | Microsoft | HTML Server Side Include Format |
| 399 | STUFFIT11TASK | N/A | Stuffit scheduler task |
| 400 | STYL | Stylus team | Stylus CSS Script |
| 401 | SVN-BASE | The Apache Project | Subversion Base Format |
| 402 | SWIFT | Apple, Inc. | Apple Swift Programming Language Source Code |
| 403 | TCL | N/A | Tcl Script |
| 404 | TDO | N/A | Generic |
| 405 | TEA | N/A | Tea Source |
| 406 | TEXTILE | The Eclipse Foundation | Eclipse IDE WikiText Document |
| 407 | TGML | N/A | Tecumseh Group Markup Language |
| 408 | THOR | N/A | Generic |
| 409 | THTML | N/A | Generic |
| 410 | TILEMAP | N/A | XML Tilemap Format |
| 411 | TKP | MicroImages, Inc. | MicroImages SML Script Standalone Application |
| 412 | TOML | Tom Preston-Werner | TOML Configuration File |
| 413 | TRIG | N/A | TriG RDF serialization format |
| 414 | TS0 | N/A | Tio32 Script |
| 415 | TUR | Holt Software | Turing Program Source Format |
| 416 | TWIG | Sensio Labs | Twig Source |
| 417 | TXL | N/A | Genesis3D Texture |
| 418 | TXML | N/A | Generic |
| 419 | UIX | Oracle Corporation | UiXML Page |
| 420 | VB | Microsoft | VBScript Format |
| 421 | VBA | Microsoft Corporation | Visual Basic VBA Module |
| 422 | VBE | Microsoft | VBScript Encoded Script Format |
| 423 | VBP | Microsoft | Visual Basic Project Format |
| 424 | VBS | Microsoft | VBScript Format |
| 425 | VBSCRIPT | N/A | Visual Basic Script |
| 426 | VBW | Microsoft | Visual Basic Workspace Format |
| 427 | VBX | Microsoft | Visual Basic Custom Control |
| 428 | VCP | Microsoft | EMbedded Visual C++ Project Format |
| 429 | VCXPROJ | Microsoft | Visual C++ Project |
| 430 | VIP | VSM Group | Stitch Pattern Format |
| 431 | VTML | Adobe Systems | Visual Tool Markup Language Format |
| 432 | VUP | Microsoft Corporation | Microsoft Visual Studio Visual C++ Utility Project |
| 433 | WBF | Microsoft Corporation | Microsoft Windows Batch |
| 434 | WDX9 | Microsoft Corporation | Microsoft Word For Mac Wizard |
| 435 | WIKI | N/A | Wiki Markup Source |
| 436 | WIN32MANIFEST | Microsoft Corporation | Microsoft Win32 Manifest |
| 437 | WLI | N/A | Generic |
| 438 | WML | N/A | Wireless Markup Language Format |
| 439 | WMLC | N/A | Wireless Markup Language Bytecode Document (WAP) |
| 440 | WMLS | N/A | Wireless Markup Language Script Format (WAP) |
| 441 | WMLSC | N/A | Wireless Markup Language (WAP) Bytecode Script |
| 442 | WPK | Nero | Nero Wave Editor Format |
| 443 | WPM | Corel | WordPerfect Macro Format |
| 444 | WS | Microsoft | Windows Script |
| 445 | WSDD | Apache Software Foundation | Apache Axis Web Service Deployment Descriptor (WSDD) |
| 446 | WSDL | W3C | Web Services Description Language Format |
| 447 | WSF | Microsoft | Windows Script Format |
| 448 | WSH | Microsoft | Windows Script Host Settings |
| 449 | WXL | Microsoft Corporation | WiX Localization |
| 450 | WZS | Microsoft Corporation | Microsoft Word Wizard |
| 451 | X | Microsoft | DirectX Model Format |
| 452 | XAML | Microsoft | Windows Markup Format |
| 453 | XAMLX | Microsoft | XAMLX Document Format |
| 454 | XBS | N/A | XnConvert configuration |
| 455 | XCODEPROJ | Apple | Xcode Project |
| 456 | XHTM | N/A | Extensible Hypertext Markup Language Document |
| 457 | XIB | Apple | Interface Builder Format |
| 458 | XIG | N/A | XML Instance Generator |
| 459 | XJB | Oracle Corporation | OEPE JAXB Wizard Bindings |
| 460 | XLA | Microsoft | Excel Add-In Format |
| 461 | XLM | Microsoft | Excel Macro |
| 462 | XLM3 | Microsoft Corporation | Microsoft Excel 3 For Mac Macro |
| 463 | XLM4 | Microsoft Corporation | Microsoft Excel 4 For Mac Macro |
| 464 | XLM_ | Microsoft Corporation | Microsoft Excel 2 For Mac Macro |
| 465 | XLV | Microsoft | Excel Visual Basic Module |
| 466 | XML | World Wide Web Consortium | XML Format |
| 467 | XML-LOG | N/A | XML log |
| 468 | XMLA | N/A | XML For Analysis Source |
| 469 | XOML | N/A | Windows Workflow Format |
| 470 | XPDL | Workflow Management Coalition | XPDL Module |
| 471 | XRC | Adobe Systems Incorporated | WxWidgets WxPython Resource |
| 472 | XSD | N/A | XML Schema Definition |
| 473 | XSL | N/A | Microsoft SharePoint WorkSpace Groove Database Format |
| 474 | XSLT | N/A | XSL Transformation Format |
| 475 | XSQL | Oracle Corporation | Oracle XSQL Servlet Server Side |
| 476 | XUI | Microsoft | Xbox 360 User Interface Format |
| 477 | XUL | Mozilla | XML User Interface Language Format |
| 478 | YAB | Yabasic | Yabasic Source Code |
| 479 | YAJL | lloyd | YAJL Script |
| 480 | YAML | N/A | YAML Document |
| 481 | YWL | Repkasoft | YoWindow Data |
| 482 | YXX | N/A | Bison source code |
| 483 | ZASM | Xeno Innovations, Inc. | Zero Compiler Assembly Source |
| 484 | ZCLS | Xeno Innovations, Inc. | Zero Compiler Class |
| 485 | ZERO | Xeno Innovations, Inc. | Zero Compiler Project |
| 486 | ZSH | N/A | Unix Shell Script |
| 487 | ZSRC | Xeno Innovations, Inc. | Zero Source |
| 488 | ~DF | Embarcadero Technologies, Inc. | Delphi Form Backup |
| 489 | ~PA | Embarcadero Technologies, Inc. | Delphi Pascal Backup |