Developer Files
The Developer Files category contains files related to software development. These include programming project files, source code files, code libraries, header files, and class files. Compiled objects and components are also included in this category.
Common developer file extensions include .C, .CS, .M, and .JAVA.
| Extension | File Type | Popularity |
|---|---|---|
| .APPXBUNDLE | Windows App Bundle | 148 |
| .LGO | Logo Instructions File | 150 |
| .YPR | BYOB Project File | 156 |
| .SB | Scratch Project File | 166 |
| .RBXL | Roblox Location File | 167 |
| .CS | C# Source Code File | 170 |
| .SB2 | Scratch 2.0 Project File | 171 |
| .CLASS | Java Class File | 174 |
| .APPX | Windows App Package | 175 |
| .IPR | IntelliJ IDEA Project File | 175 |
| .INO | Arduino Sketch | 180 |
| .PY | Python Script | 185 |
| .CPP | C++ Source Code File | 185 |
| .ARSC | Android Package Resource Table | 195 |
| .C | C/C++ Source Code File | 199 |
| .AWK | AWK Script | 200 |
| .VCPROJ | Visual C++ Project File | 200 |
| .PJX | FoxPro Project | 200 |
| .OCTEST | Xcode Objective-C Unit Test Bundle | 200 |
| .IN | Autoconf Input File | 200 |
| .RBXM | Roblox Model | 200 |
| .SC | Scala Worksheet | 200 |
| .SMALI | Android Smali Assembly Language File | 200 |
| .LUA | Lua Source File | 201 |
| .JAVA | Java Source Code File | 202 |
| .VBP | Visual Basic Project File | 202 |
| .MD | Markdown Documentation File | 204 |
| .B | BASIC Source File | 205 |
| .SLN | Visual Studio Solution File | 206 |
| .CC | C++ Source Code File | 207 |
| .SH | Bash Shell Script | 207 |
| .CSPROJ | Visual Studio C# Project | 207 |
| .CD | Visual Studio Class Diagram | 207 |
| .PATCH | Patch File | 208 |
| .GITATTRIBUTES | Git Attributes File | 208 |
| .DEX | Dalvik Executable File | 208 |
| .PO | Portable Object | 209 |
| .MFA | Multimedia Fusion Application | 209 |
| .PYD | Python Dynamic Module | 209 |
| .SWC | Flex Components Archive | 209 |
| .PAS | Delphi Unit Source File | 209 |
| .MF | Java Manifest File | 210 |
| .OCX | ActiveX Control | 210 |
| .GMK | GameMaker Project File | 210 |
| .RES | C++ Complied Resource Script | 210 |
| .RESOURCES | Visual Studio Resource File | 210 |
| .CONFIG | Configuration File | 210 |
| .YML | YAML Document | 210 |
| .GS | Google Apps Script | 211 |
| .CAPX | Construct Compressed Project File | 211 |
| .ML | ML Source Code File | 211 |
| .RES | Windows Resource File | 211 |
| .ISE | InstallShield Express Project File | 211 |
| .PBG | Pixel Bender Graph File | 211 |
| .MARKDOWN | Markdown Documentation File | 212 |
| .RESX | .NET Managed Resources File | 212 |
| .FS | Visual F# Source File | 212 |
| .FLA | Adobe Animate Animation | 212 |
| .XSD | XML Schema Definition | 212 |
| .HPP | C++ Header File | 212 |
| .QPR | FoxPro Generated Query Program | 212 |
| .FTL | FreeMarker Template File | 212 |
| .COD | Compiled Source Code | 213 |
| .HS | Haskell Script | 213 |
| .PROTO | Protocol Buffer File | 214 |
| .VB | Visual Basic Project Item File | 214 |
| .SO | Shared Library | 214 |
| .BBC | BBC BASIC Data File | 214 |
| .SUO | Visual Studio Solution User Options File | 214 |
| .FBP | wxFormBuilder Project | 214 |
| .R | R Script File | 215 |
| .GM81 | Game Maker 8.1 Project File | 215 |
| .SWD | Flash Debug File | 215 |
| .NIB | Interface Builder User Interface File | 215 |
| .ASM | Assembly Language Source Code File | 216 |
| .DEF | Module-Definition File | 216 |
| .VDPROJ | Visual Studio Setup and Deployment Project | 217 |
| .BLUEJ | BlueJ Package File | 217 |
| .NXC | Not eXactly C Source Code File | 217 |
| .TARGETS | MSBuild Targets File | 217 |
| .S | Source Code File | 217 |
| .GMX | GameMaker File | 218 |
| .Y | Yacc Source File | 218 |
| .O | Compiled Object File | 218 |
| .DTD | Document Type Definition File | 218 |
| .PH | Perl Header File | 220 |
| .PWN | Pawn Source Code File | 220 |
| .F | Fortran Source Code | 220 |
| .ERB | Ruby ERB Script | 220 |
| .CTP | CakePHP Template | 220 |
| .S19 | Motorola S19 File Record | 220 |
| .ANE | Adobe AIR Native Extension | 220 |
| .SSI | Adobe Dreamweaver Server Side Include File | 220 |
| .IDB | Visual Studio Intermediate Debug File | 220 |
| .BET | BETA Source File | 220 |
| .ENTITLEMENTS | Mac App Sandboxing Entitlements File | 220 |
| .PYW | Python GUI Source File | 220 |
| .MM | Objective-C++ Source File | 220 |
| .AGI | Asterisk Gateway Interface File | 220 |
| .EX | Euphoria Source Code | 221 |
| .APPXUPLOAD | Windows 8 App Upload Package | 221 |
| .BAS | BASIC Source Code File | 221 |
| .RC | Resource Script | 222 |
| .AP_ | ADT Android Developer Package | 222 |
| .MK | Makefile | 222 |
| .DIFF | Patch File | 222 |
| .TT | Visual Studio Text Template | 222 |
| .L | Lex Source File | 222 |
| .SCC | SourceSafe Source Code Control File | 222 |
| .PL | Perl Script | 223 |
| .FRX | Visual Basic Binary Form File | 223 |
| .APA | RSView Development Project Archive | 223 |
| .TRX | Visual Studio Test Results File | 223 |
| .NUPKG | NuGet Package | 224 |
| .4DB | 4th Dimension Database Structure File | 224 |
| .XT | Xdebug Trace File | 224 |
| .AU3 | AutoIt v3 Script | 225 |
| .PPC | Mobile Data Studio Project File | 225 |
| .MPX | FoxPro Compiled Program Menu | 225 |
| .RPY | Python Script | 225 |
| .LISP | Lisp Source Code File | 225 |
| .OMO | OMake Object File | 225 |
| .ILK | Incremental Linking File | 225 |
| .IPR | InstallShield Professional Project File | 225 |
| .YMP | YaST Metapackage File | 225 |
| .PBJ | Pixel Bender Bytecode File | 225 |
| .FXML | FXML Source Code File | 225 |
| .H | C/C++/Objective-C Header File | 225 |
| .D | D Source Code File | 226 |
| .SWIFT | Swift Source Code File | 226 |
| .ABC | ActionScript Byte Code File | 226 |
| .ASC | ActionScript Communication File | 227 |
| .TK | Tk Script | 227 |
| .W32 | Win32 Makefile | 227 |
| .VCXPROJ | Visual C++ Project | 228 |
| .BPL | Borland Package Library | 228 |
| .HH | C++ Header File | 229 |
| .AS3PROJ | FlashDevelop ActionScript 3 Project File | 229 |
| .REXX | Rexx Source File | 229 |
| .MYAPP | Visual Studio Application XML File | 229 |
| .NK | NUKE Script | 229 |
| .RB | Ruby Source Code | 230 |
| .CXP | CX-Programmer Project File | 230 |
| .FPM | FPS Creator Map File | 230 |
| .TWIG | Twig Template | 230 |
| .RUL | InstallShield Rules File | 230 |
| .DOX | Visual Basic Binary UserDocument | 230 |
| .HBS | Handlebars Template | 231 |
| .MO | Machine Object File | 231 |
| .AS | ActionScript File | 232 |
| .PB | PureBasic Source File | 232 |
| .SC | SuperCollider Source Code File | 232 |
| .AM4 | AutoPlay Media Studio 4 Project File | 233 |
| .PBXUSER | Xcode Project User Data File | 233 |
| .RDLC | Visual Studio Client Report Definition File | 233 |
| .CSP | Caché Server Page | 233 |
| .ADS | Ada Specification File | 233 |
| .GSPROJ | GameSalad Windows Project File | 233 |
| .JSPF | Java Server Page Fragment | 233 |
| .DCP | Delphi Compiled Package | 233 |
| .VHD | VHDL Source File | 233 |
| .DBPROJ | Visual Studio Database Project File | 233 |
| .GM6 | GameMaker 6 Project File | 233 |
| .MSIX | MSIX Installer Package | 233 |
| .ASM | Visual Studio Assembler Source Code File | 233 |
| .TESTSETTINGS | Visual Studio Test Settings File | 233 |
| .IPCH | Intellisense Precompiled Header File | 233 |
| .YAML | YAML Document | 233 |
| .FXC | FilePackager Configuration | 233 |
| .MRT | Stimulsoft Report File | 235 |
| .APS | Visual C++ Resource File | 236 |
| .LIVECODE | LiveCode Stack File | 236 |
| .UI | User Interface File | 237 |
| .FRAMEWORK | Mac OS X Application Framework | 237 |
| .CP | Xcode C++ Source File | 237 |
| .AM7 | AutoPlay Media Studio 7 Project | 237 |
| .SYM | Symbols File | 237 |
| .VBX | Visual Basic Custom Control | 237 |
| .PAS | Pascal Source File | 238 |
| .IML | IntelliJ IDEA Module | 239 |
| .VM | Velocity Template | 240 |
| .ASI | Alpha Five Variable File | 240 |
| .KDEVPRJ | KDevelop Project File | 240 |
| .DMD | SQL Developer Data Modeler File | 240 |
| .JSFL | Animate JSFL Script File | 240 |
| .GLD | MPLAB C Compiler Linker Script File | 240 |
| .PTL | Rational Rose Petal File | 240 |
| .XAML | XAML File | 240 |
| .XCWORKSPACE | Xcode Workspace File | 240 |
| .IDL | Interface Definition Language File | 240 |
| .CU | CUDA Source Code File | 242 |
| .SVN-BASE | Subversion Base File | 242 |
| .T | Turing Source Code File | 243 |
| .CBP | Code::Blocks Project File | 243 |
| .I | Visual Studio Intermediate File | 243 |
| .AS2PROJ | FlashDevelop ActionScript 2 Project File | 243 |
| .PIKA | Pika Software Builder Project File | 243 |
| .W | OpenEdge Architect Source Code File | 243 |
| .CSX | Visual C# Script | 244 |
| .AUTOPLAY | AutoPlay Media Studio Project File | 244 |
| .VBG | Visual Basic Project Group File | 244 |
| .WORKSPACE | Code::Blocks Workspace File | 245 |
| .RSRC | Macintosh Resource File | 245 |
| .ALB | Alpha Five Library | 245 |
| .M | Objective-C Implementation File | 246 |
| .DPR | Delphi Project | 246 |
| .ISM | InstallShield Project File | 246 |
| .VBPROJ | Visual Studio Visual Basic.NET Project | 247 |
| .GEM | RubyGems Package | 247 |
| .PBXBTREE | Xcode Auto-Complete File | 250 |
| .PBXPROJ | Xcode Project Data File | 250 |
| .CLW | Visual C++ ClassWizard File | 250 |
| .SMA | AMX Mod Plugin Source File | 250 |
| .WDP | Windev Project File | 250 |
| .PRO | Qt Project File | 250 |
| .ICONSET | Mac OS X Icon Set Folder | 250 |
| .NVV | NVIDIA Vertex Shader File | 250 |
| .HAS | Haskell Script | 250 |
| .LBS | Omnis Library | 250 |
| .LTB | LithTech Binary File | 250 |
| .DBML | Visual Studio OR Design File | 250 |
| .ERL | Erlang Source Code File | 250 |
| .MSHI | Microsoft Help Index File | 250 |
| .WDL | World Definition Language Script | 250 |
| .WDGT | Adobe Captivate Widget File | 250 |
| .BSC | Visual Studio Source Browser Information File | 250 |
| .XAMLX | Visual Studio Workflow Service File | 250 |
| .FOR | Fortran 77 Source File | 250 |
| .PBK | Pixel Bender Kernel File | 250 |
| .DF1 | Omnis Native Datafile | 250 |
| .AM6 | AutoPlay Media Studio 6 Project | 250 |
| .XCCONFIG | Xcode Configuration Settings File | 250 |
| .DGML | Visual Studio Directed Graph Document | 250 |
| .DPROJ | Delphi Project | 250 |
| .WDW | WinDev Window File | 250 |
| .NUSPEC | NuGet Specification File | 250 |
| .XCDATAMODELD | Xcode Core Data Model File | 250 |
| .LDS | Binutils LD Linker Script | 250 |
| .OCA | Custom Control Library Type File | 250 |
| .FSSCRIPT | Visual F# Script | 250 |
| .MSS | Microprocessor Software Specification File | 250 |
| .DSGM | DS Game Maker Project | 250 |
| .CCS | CodeCharge Studio Project File | 250 |
| .WSC | Windows Script Component | 250 |
| .WIQ | Visual Studio Work Item Query File | 250 |
| .STORYBOARD | Interface Builder Storyboard Document | 250 |
| .RBC | Rembo-C Script | 250 |
| .TLH | Typelib Generated C/C++ Header File | 250 |
| .HAML | Haml Source Code File | 250 |
| .BDSPROJ | Borland Developer Studio Project | 250 |
| .SLTNG | StarLogo TNG Project File | 250 |
| .XPP | X++ Source Code File | 250 |
| .M | MATLAB Source Code File | 251 |
| .V | Verilog Source Code File | 254 |
| .PRI | Package Resource Index File | 255 |
| .CXX | C++ Source Code File | 255 |
| .DPL | Delphi Package Library | 256 |
| .M4 | Macro Processor Library | 256 |
| .SAS | SAS Program File | 256 |
| .GITIGNORE | Git Ignore File | 257 |
| .CLS | Program Class File | 257 |
| .MAK | Makefile | 257 |
| .LNT | PC-lint/FlexeLint Configuration File | 257 |
| .SUD | Super Project Analyzer File | 257 |
| .MCP | CodeWarrior Project | 257 |
| .CDF | CryENGINE Character Definition File | 257 |
| .HXX | C++ Source Code Header File | 259 |
| .PKGDEF | Visual Studio Shell File | 260 |
| .FTN | Fortran Source Code File | 260 |
| .PL1 | PL/I Source Code | 260 |
| .GCH | Precompiled Header File | 260 |
| .NBC | Next Byte Codes Source Code File | 260 |
| .INC | Include File | 262 |
| .BB | Blitz Source Code File | 262 |
| .HAL | HansaWorld Application Language File | 262 |
| .SUP | Super Project Definition File | 262 |
| .UML | UML Data Object Model | 264 |
| .INL | C++ Inline File | 267 |
| .V11.SUO | Visual Studio 2012 Solution User Options File | 267 |
| .CTXT | BlueJ Context File | 267 |
| .MSHC | Microsoft Help Container File | 267 |
| .XOML | Windows Workflow File | 267 |
| .EDML | Adobe Extension Data Markup Language Document | 267 |
| .FSPROJ | Visual F# Project File | 267 |
| .WXS | WiX Source File | 267 |
| .FORTH | Forth Language File | 267 |
| .MSHA | Microsoft Help Asset File | 267 |
| .JIC | JTAG Indirect Configuration File | 267 |
| .XQ | XQuery File | 267 |
| .XOJO_XML_PROJECT | Xojo XML Project File | 267 |
| .NLS | NetLogo Source File | 269 |
| .EXP | Symbols Export File | 269 |
| .WSP | SharePoint Solution Package | 270 |
| .NSI | NSIS Script | 270 |
| .V | Coq Source Code File | 270 |
| .VSSSCC | Visual Studio Solution Source Control File | 271 |
| .CP | Captivate Source File | 271 |
| .JPR | JBuilder Project | 271 |
| .PYX | Pyrex Source Code File | 271 |
| .PL | Prolog Source Code File | 273 |
| .A2W | Alice World | 273 |
| .DM1 | ER/Studio Data Model File | 275 |
| .IST | InstallShield Project Template File | 275 |
| .NW | Node-Webkit App Package | 275 |
| .PLC | PL/B Source File | 275 |
| .ASVF | Asphyre Sphinx Archive File | 275 |
| .WXL | WiX Localization File | 275 |
| .VDP | Visual Studio Deployment Project | 275 |
| .PM | Perl Module | 275 |
| .VSMACROS | Visual Studio Binary Macro Project | 275 |
| .DGSL | Visual Shader Graph File | 275 |
| .EDMX | ADO.NET Entity Data Model Designer File | 275 |
| .CCN | Compressed Multimedia Fusion File | 275 |
| .PCP | Windows Installer Patch Creation Properties File | 275 |
| .PLI | PL/I Source Code File | 275 |
| .OWL | OWL Source Code File | 275 |
| .MER | RSView Development Runtime File | 278 |
| .SRC | Source Code | 278 |
| .MV | MivaScript File | 280 |
| .DOB | Visual Basic UserDocument | 280 |
| .RESW | Windows Resources File | 280 |
| .NSH | NSIS Header File | 280 |
| .CSI | ContentServ Include File | 280 |
| .A | Static Library | 281 |
| .F90 | Fortran 90 Source Code File | 283 |
| .PLAYGROUND | Xcode Playground File | 286 |
| .KPL | Kids Programming Language File | 286 |
| .HPF | High Performance Fortran File | 287 |
| .PXD | Pyrex Definition File | 290 |
| .SS | SilverStripe Source Code File | 290 |
| .POT | Portable Object File | 292 |
| .PRI | Qt Project Include File | 300 |
| .RODL | RemObjects Definition Language File | 300 |
| .WIXMST | WiX Transform File | 300 |
| .EXW | Euphoria Source code File | 300 |
| .FXL | FaceFX Language File | 300 |
| .EQL | Embedded SQL File | 300 |
| .PRG | RAPID Program File | 300 |
| .VSZ | Visual Studio Wizard File | 300 |
| .MDZIP | MagicDraw Project Archive | 300 |
| .PDM | VB Project Information File | 300 |
| .REFRESH | Visual Studio Refresh File | 300 |
| .XOJO_MENU | Xojo Menu File | 300 |
| .XQL | XML Query Language File | 300 |
| .DCUIL | Delphi .NET Compiled Unit File | 300 |
| .NCB | Visual C++ IntelliSense Database | 300 |
| .NEKO | Neko Source Code File | 300 |
| .SCRIPTTERMINOLOGY | AppleScript Script Terminology File | 300 |
| .WIXOUT | WiX XML Output File | 300 |
| .P3D | Panda3D Multifile | 300 |
| .WIXOBJ | WiX Object File | 300 |
| .LICX | Visual Studio License File | 300 |
| .IWB | IWBasic Source Code File | 300 |
| .GMO | GNU Machine Object File | 300 |
| .VSPSCC | Visual Studio Project Source Control File | 300 |
| .LBI | Dreamweaver Library Item | 300 |
| .LUCIDSNIPPET | Lucid Snippet File | 300 |
| .VSPX | Visual Studio Performance Report Data File | 300 |
| .SRC.RPM | Red Hat Package Manager Source File | 300 |
| .WIXLIB | WiX Library File | 300 |
| .TLD | Tag Library Descriptor File | 300 |
| .WIXPDB | WiX Debug File | 300 |
| .PLE | Messenger Plus! Live Encrypted Log File | 300 |
| .JCP | JCreator Project File | 300 |
| .XOJO_BINARY_PROJECT | Xojo Binary Project File | 300 |
| .FXPL | Adobe Flash FXP Library | 300 |
| .NQC | Not Quite C Source Code File | 300 |
| .GAMEPROJ | GameSalad Project File | 300 |
| .AM5 | AutoPlay Media Studio 5 Project File | 300 |
| .GORM | Gorm Interface Resource File | 300 |
| .XQM | XQuery Module | 300 |
| .FSPROJ | FireStarter Project File | 300 |
| .TEXTFACTORY | BBEdit Text Factory | 300 |
| .MOD | Fortran Module File | 300 |
| .BS2 | BASIC Stamp 2 Code File | 300 |
| .IWS | IntelliJ IDEA Web Page | 300 |
| .PKGUNDEF | Visual Studio Shell File | 300 |
| .SQLPROJ | Visual Studio SQL Server Project | 300 |
| .RESJSON | Windows JavaScript Resources File | 300 |
| .FXCPROJ | FX Composer Project File | 300 |
| .RISE | RISE Editor Model File | 300 |
| .CCP | CodeCharge Studio Page File | 300 |
| .SLOGO | StarLogo Project File | 300 |
| .FSX | Visual F# Script File | 300 |
| .FGL | Fifth Generation Language Source File | 300 |
| .TUR | Turing Program Source File | 300 |
| .KDEVELOP | KDevelop Project Data File | 300 |
| .GEMSPEC | Gem Specification File | 300 |
| .GED | Game Editor Project File | 300 |
| .GS3 | GameStarter File | 300 |
| .BBPROJECT | BBEdit Project File | 300 |
| .GSZIP | GameSalad Marketplace Asset File | 300 |
| .TPU | Turbo Pascal Unit | 300 |
| .TESTRUNCONFIG | Visual Studio Test Run Configuration File | 300 |
| .XCAPPDATA | Xcode App Data File | 300 |
| .ADDIN | Visual Studio Add-in Definition File | 300 |
| .BCP | Borland C++ Makefile | 300 |
| .NED | OMNeT++ Network Description File | 300 |
| .FBZ7 | Compressed FinalBuilder 7 Project | 300 |
| .WDGTPROJ | Dashcode Widget Project | 300 |
| .XCSNAPSHOTS | Xcode Snapshot | 300 |
| .DPKW | Delphi Package | 300 |
| .VBZ | Visual Basic Project Template | 300 |
| .TMLANGUAGE | TextMate Language Grammar File | 300 |
| .RBP | Real Studio Project File | 300 |
| .SNIPPET | Visual Studio IntelliSense Code Snippet | 300 |
| .TLI | Typelib Generated C/C++ Inline File | 300 |
| .WPW | WinDev Mobile Window File | 300 |
| .LXSPROJ | Liquid XML Studio Project File | 300 |
| .VTM | Visual Tool Markup Language Document | 300 |
| .DEC | Declaration File | 300 |
| .CBL | COBOL Source Code File | 300 |
| .COB | COBOL Source Code File | 300 |
| .C | Lite-C Script | 304 |
| .VC | Verge Code File | 307 |
| .PSC | Papyrus Script | 310 |
| .TCL | Tcl Script | 310 |
| .ENT | External Entity | 310 |
| .TNS | TI-Nspire Document | 311 |
| .CAF | CryENGINE Character Animation File | 311 |
| .VDM | VDM Specification File | 312 |
| .MOM | Managed Object Model | 315 |
| .TDS | Turbo Debugger Symbols File | 317 |
| .IDT | Windows Installer Database Text Archive File | 317 |
| .XCARCHIVE | Xcode Archive | 317 |
| .BRX | BREW Application Resource File | 317 |
| .DBA | CryENGINE Animation Database File | 318 |
| .LICENSES | Visual Studio Licensed Classes File | 320 |
| .DPK | Delphi Package | 320 |
| .INFORM | Inform Project | 320 |
| .LPROJ | Localized Project Folder | 320 |
| .CTL | Visual Basic UserControl Object File | 325 |
| .DSP | Visual C++ 6 Project | 325 |
| .RKT | Racket Source Code File | 325 |
| .4TH | Forth Language File | 325 |
| .XCODEPROJ | Xcode Project | 326 |
| .XIB | Interface Builder File | 329 |
| .ACD | RSLogix 5000 Program | 329 |
| .SPEC | RPM Specification File | 333 |
| .BBPROJECTD | BBEdit Project Document | 333 |
| .PCH | Precompiled Header File | 333 |
| .RNC | RELAX NG Compact Syntax File | 333 |
| .GREENFOOT | Greenfoot Project Archive | 333 |
| .R | Rez Source Code File | 336 |
| .MPR | FoxPro Generated Menu Program | 340 |
| .RBW | Ruby Script | 350 |
| .POD | Perl POD File | 350 |
| .DCPROJ | Dashcode Project | 350 |
| .CVSRC | CVS Command File | 350 |
| .VTV | Adobe Dreamweaver Validator Configuration File | 350 |
| .VTML | Visual Tool Markup Language File | 350 |
| .VSMPROJ | Visual Studio Text Macro Project | 350 |
| .PSM1 | Windows PowerShell Script Module File | 350 |
| .CSN | Adobe Code Snippet Document | 350 |
| .PRG | Visual FoxPro Program File | 350 |
| .SDEF | AppleScript Dictionary Document | 350 |
| .XOJO_PROJECT | Xojo Project File | 350 |
| .RAV | Rave Reports Project File | 350 |
| .GFAR | Greenfoot Archive | 350 |
| .GROUPPROJ | Delphi Project Group File | 350 |
| .VSMDI | Visual Studio Test Metadata File | 350 |
| .BPG | Borland Project Group | 350 |
| .LSPROJ | Visual Studio LightSwitch Project | 350 |
| .TMPROJ | TextMate Project File | 350 |
| .P | Pascal Source Code | 355 |
| .LHS | Literate Haskell Script | 360 |
| .WIXPROJ | WiX Project File | 360 |
| .RSS | Symbian Application Resource File | 360 |
| .VSP | Visual Studio Performance Report File | 362 |
| .ODL | Object Description Language File | 367 |
| .DFM | Delphi Form | 371 |
| .CSI | EdLog Program Data File | 372 |
| .PDE | Processing Development Environment Source Code File | 375 |
| .MSP | MaxScript Page File | 380 |
| .ARTPROJ | Artifacts Project | 400 |
| .DBPRO | DarkBASIC Professional Project File | 400 |
| .SSC | SourceSafe Status File | 400 |
| .SCRIPTSUITE | AppleScript Script Suite File | 400 |
| .WXI | WiX Include File | 400 |
| .MAGIK | Magik Source Code File | 400 |
| .WIXMSP | WiX XML Patch File | 400 |
| .VCP | eMbedded Visual C++ Project File | 400 |
| .FSI | Visual F# Signature File | 400 |
| .DBA | DarkBASIC Source Code File | 400 |
| .DBO | DarkBASIC Object | 400 |
| .CFC | ColdFusion Component File | 400 |
| .DCU | Delphi Compiled Unit | 400 |
| .SBPROJ | OpenGL Shader Builder Project | 400 |
| .VGC | ViziGen Code Generation Template | 400 |
| .CR | Crystal Source Code | 400 |
| .NFM | Delphi .NET Form File | 400 |
| .LIT | Literate Haskell Script | 400 |
| .DEVICEIDS | Device Identification FIle | 400 |
| .CCGAME | XNA Creators Club Game Package | 412 |
| .XQUERY | XQuery Source Code File | 425 |
| .GROOVY | Groovy Source Code File | 429 |
| .TU | Turing Source File | 433 |
| .GMD | Game Maker Program Code | 440 |
| .JPX | JBuilder Project | 450 |
| .R | REBOL Script | 460 |
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