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 | 4.5 |
| .LGO | Logo Instructions File | 4.5 |
| .UNITY | Unity Scene File | 4.4 |
| .AWK | AWK Script | 4.4 |
| .IN | Autoconf Input File | 4.4 |
| .PYD | Python Dynamic Module | 4.3 |
| .RBXL | Roblox Location | 4.3 |
| .SB | Scratch Project File | 4.3 |
| .SB2 | Scratch 2.0 Project File | 4.3 |
| .CS | C# Source Code File | 4.3 |
| .SB3 | Scratch 3.0 Project | 4.3 |
| .YPR | BYOB Project File | 4.3 |
| .KT | Kotlin Source Code File | 4.3 |
| .IPR | IntelliJ IDEA Project File | 4.3 |
| .INO | Arduino Sketch | 4.2 |
| .APPX | Windows App Package | 4.2 |
| .CLASS | Java Class File | 4.2 |
| .RBXM | Roblox Model | 4.2 |
| .PY | Python Script | 4.2 |
| .CPP | C++ Source Code File | 4.1 |
| .LUC | Compiled Lua Source File | 4.1 |
| .GITATTRIBUTES | Git Attributes File | 4.1 |
| .C | C/C++ Source Code File | 4.1 |
| .HS | Haskell Script | 4.1 |
| .ARSC | Android Package Resource Table | 4.0 |
| .GS | Google Apps Script | 4.0 |
| .VBP | Visual Basic Project File | 4.0 |
| .CAPROJ | Construct Project File | 4.0 |
| .AIDL | Android Interface Definition Language File | 4.0 |
| .AM4 | AutoPlay Media Studio 4 Project File | 4.0 |
| .HAS | Haskell Script | 4.0 |
| .MM | Objective-C++ Source File | 4.0 |
| .SC | Scala Worksheet | 4.0 |
| .TT | Visual Studio Text Template | 4.0 |
| .XQ | XQuery File | 4.0 |
| .SLOGO | StarLogo Project File | 4.0 |
| .PH | Perl Header File | 4.0 |
| .VCPROJ | Visual C++ Project File | 4.0 |
| .OCTEST | Xcode Objective-C Unit Test Bundle | 4.0 |
| .MD | Markdown Documentation File | 4.0 |
| .LUA | Lua Source File | 4.0 |
| .B | BASIC Source File | 4.0 |
| .XAP | XACT Project | 4.0 |
| .MFA | Multimedia Fusion Application | 4.0 |
| .ASM | Assembly Language Source Code File | 4.0 |
| .PO | Portable Object | 4.0 |
| .TRX | Visual Studio Test Results File | 3.9 |
| .RESX | .NET Managed Resources File | 3.9 |
| .RESOURCES | Visual Studio Resource File | 3.9 |
| .JAVA | Java Source Code File | 3.9 |
| .CC | C++ Source Code File | 3.9 |
| .GM81 | Game Maker 8.1 Project File | 3.9 |
| .SWC | Flex Components Archive | 3.9 |
| .PAS | Delphi Unit Source File | 3.9 |
| .CONFIG | Configuration File | 3.9 |
| .PATCH | Patch File | 3.9 |
| .GMK | GameMaker Project File | 3.9 |
| .VDPROJ | Visual Studio Setup and Deployment Project | 3.9 |
| .MF | Java Manifest File | 3.9 |
| .SLN | Visual Studio Solution File | 3.9 |
| .CSPROJ | Visual Studio C# Project | 3.9 |
| .OCX | ActiveX Control | 3.9 |
| .DEX | Dalvik Executable File | 3.9 |
| .RES | C++ Complied Resource Script | 3.9 |
| .PBG | Pixel Bender Graph File | 3.9 |
| .RES | Windows Resource File | 3.9 |
| .ISE | InstallShield Express Project File | 3.9 |
| .GMX | GameMaker File | 3.9 |
| .SWIFT | Swift Source Code File | 3.9 |
| .SMALI | Android Smali Assembly Language File | 3.9 |
| .YML | YAML Document | 3.9 |
| .HPP | C++ Header File | 3.9 |
| .FS | Visual F# Source File | 3.9 |
| .QPR | FoxPro Generated Query Program | 3.9 |
| .PWN | Pawn Source Code File | 3.9 |
| .V12.SUO | Visual Studio 2013 Solution User Options File | 3.9 |
| .DEF | Module-Definition File | 3.9 |
| .COD | Compiled Source Code | 3.9 |
| .FLA | Adobe Animate Animation | 3.9 |
| .R | R Script File | 3.9 |
| .Y | Yacc Source File | 3.9 |
| .CD | Visual Studio Class Diagram | 3.9 |
| .BET | BETA Source File | 3.9 |
| .BBC | BBC BASIC Data File | 3.9 |
| .FBP | wxFormBuilder Project | 3.9 |
| .GCH | Precompiled Header File | 3.9 |
| .CAPX | Construct Compressed Project File | 3.9 |
| .APPXUPLOAD | Windows 8 App Upload Package | 3.9 |
| .SO | Shared Library | 3.8 |
| .XSD | XML Schema Definition | 3.8 |
| .BLUEJ | BlueJ Package File | 3.8 |
| .PJX | FoxPro Project | 3.8 |
| .SUO | Visual Studio Solution User Options File | 3.8 |
| .RUL | InstallShield Rules File | 3.8 |
| .SWD | Flash Debug File | 3.8 |
| .AIA | MIT App Inventor Project | 3.8 |
| .DTD | Document Type Definition File | 3.8 |
| .PROTO | Protocol Buffer File | 3.8 |
| .O | Compiled C Object File | 3.8 |
| .XCDATAMODELD | Xcode Core Data Model File | 3.8 |
| .XAMLX | Visual Studio Workflow Service File | 3.8 |
| .AGI | Asterisk Gateway Interface File | 3.8 |
| .CTP | CakePHP Template | 3.8 |
| .ENTITLEMENTS | Mac App Sandboxing Entitlements File | 3.8 |
| .CCS | CodeCharge Studio Project File | 3.8 |
| .DGML | Visual Studio Directed Graph Document | 3.8 |
| .PYW | Python GUI Source File | 3.8 |
| .SSI | Adobe Dreamweaver Server Side Include File | 3.8 |
| .WDGT | Adobe Captivate Widget File | 3.8 |
| .LISP | Lisp Source Code File | 3.8 |
| .ANE | Adobe AIR Native Extension | 3.8 |
| .S | Source Code File | 3.8 |
| .BPL | Borland Package Library | 3.8 |
| .ML | ML Source Code File | 3.8 |
| .AU3 | AutoIt v3 Script | 3.8 |
| .VB | Visual Basic Project Item File | 3.8 |
| .MK | Makefile | 3.8 |
| .RB | Ruby Source Code | 3.8 |
| .XT | Xdebug Trace File | 3.8 |
| .DOX | Visual Basic Binary UserDocument | 3.8 |
| .MPX | FoxPro Compiled Program Menu | 3.8 |
| .TARGETS | MSBuild Targets File | 3.8 |
| .PB | PureBasic Source File | 3.8 |
| .IPR | InstallShield Professional Project File | 3.8 |
| .S19 | Motorola S19 File Record | 3.8 |
| .EX | Euphoria Source Code | 3.8 |
| .RC | Resource Script | 3.8 |
| .D | D Source Code File | 3.8 |
| .PL | Perl Script | 3.8 |
| .H | C/C++/Objective-C Header File | 3.8 |
| .ILK | Incremental Linking File | 3.8 |
| .OMO | OMake Object File | 3.8 |
| .YMP | YaST Metapackage File | 3.8 |
| .FXML | FXML Source Code File | 3.8 |
| .PBJ | Pixel Bender Bytecode File | 3.8 |
| .RPY | Python Script | 3.8 |
| .IML | IntelliJ IDEA Module | 3.7 |
| .VCXPROJ | Visual C++ Project | 3.7 |
| .IDB | Visual Studio Intermediate Debug File | 3.7 |
| .W32 | Win32 Makefile | 3.7 |
| .TK | Tk Script | 3.7 |
| .HBS | Handlebars Template | 3.7 |
| .SCC | SourceSafe Source Code Control File | 3.7 |
| .ASC | ActionScript Communication File | 3.7 |
| .REXX | Rexx Source File | 3.7 |
| .AS3PROJ | FlashDevelop ActionScript 3 Project File | 3.7 |
| .MYAPP | Visual Studio Application XML File | 3.7 |
| .V | Verilog Source Code File | 3.7 |
| .MSIX | MSIX Installer Package | 3.7 |
| .W | OpenEdge Architect Source Code File | 3.7 |
| .ABC | ActionScript Byte Code File | 3.7 |
| .FPM | FPS Creator Map File | 3.7 |
| .L | Lex Source File | 3.7 |
| .TWIG | Twig Template | 3.7 |
| .AP_ | ADT Android Developer Package | 3.7 |
| .4DB | 4th Dimension Database Structure File | 3.7 |
| .CXP | CX-Programmer Project File | 3.7 |
| .YAML | YAML Document | 3.7 |
| .ADS | Ada Specification File | 3.7 |
| .XAML | XAML File | 3.7 |
| .SC | SuperCollider Source Code File | 3.7 |
| .ASI | Alpha Five Variable File | 3.7 |
| .F | Fortran Source Code | 3.7 |
| .TPU | Turbo Pascal Unit | 3.7 |
| .FTL | FreeMarker Template File | 3.7 |
| .IPCH | Intellisense Precompiled Header File | 3.7 |
| .CSP | Caché Server Page | 3.7 |
| .UI | User Interface File | 3.7 |
| .FXC | FilePackager Configuration | 3.7 |
| .GM6 | GameMaker 6 Project File | 3.7 |
| .TLH | Typelib Generated C/C++ Header File | 3.7 |
| .PBXUSER | Xcode Project User Data File | 3.7 |
| .RDLC | Visual Studio Client Report Definition File | 3.7 |
| .DCP | Delphi Compiled Package | 3.7 |
| .JSPF | Java Server Page Fragment | 3.7 |
| .APA | RSView Development Project Archive | 3.7 |
| .GSPROJ | GameSalad Windows Project File | 3.7 |
| .TESTSETTINGS | Visual Studio Test Settings File | 3.7 |
| .JSFL | Animate JSFL Script File | 3.7 |
| .MO | Machine Object File | 3.7 |
| .NUPKG | NuGet Package | 3.7 |
| .MRT | Stimulsoft Report File | 3.6 |
| .BAS | BASIC Source Code File | 3.6 |
| .CBP | Code::Blocks Project File | 3.6 |
| .I | Visual Studio Intermediate File | 3.6 |
| .LIVECODE | LiveCode Stack File | 3.6 |
| .AS | ActionScript File | 3.6 |
| .SUD | Super Project Analyzer File | 3.6 |
| .VBX | Visual Basic Custom Control | 3.6 |
| .FRAMEWORK | Mac OS X Application Framework | 3.6 |
| .AM7 | AutoPlay Media Studio 7 Project | 3.6 |
| .CLS | Program Class File | 3.6 |
| .CP | Xcode C++ Source File | 3.6 |
| .HH | C++ Header File | 3.6 |
| .STORYBOARD | Xcode Interface Builder Storyboard | 3.6 |
| .PAS | Pascal Source File | 3.6 |
| .NIB | Interface Builder User Interface File | 3.6 |
| .PLC | PL/B Source File | 3.6 |
| .KDEVPRJ | KDevelop Project File | 3.6 |
| .KDEVELOP | KDevelop Project Data File | 3.6 |
| .IDL | Interface Definition Language File | 3.6 |
| .DMD | SQL Developer Data Modeler File | 3.6 |
| .GLD | MPLAB C Compiler Linker Script File | 3.6 |
| .PTL | Rational Rose Petal File | 3.6 |
| .XCWORKSPACE | Xcode Workspace File | 3.6 |
| .VM | Velocity Template | 3.6 |
| .CU | CUDA Source Code File | 3.6 |
| .SVN-BASE | Subversion Base File | 3.6 |
| .V | Coq Source Code File | 3.6 |
| .DIFF | Patch File | 3.6 |
| .MARKDOWN | Markdown Documentation File | 3.6 |
| .INC | Include File | 3.6 |
| .CSX | Visual C# Script | 3.6 |
| .VHD | VHDL Source File | 3.6 |
| .M | Objective-C Implementation File | 3.6 |
| .AS2PROJ | FlashDevelop ActionScript 2 Project File | 3.6 |
| .PIKA | Pika Software Builder Project File | 3.6 |
| .JIC | JTAG Indirect Configuration File | 3.6 |
| .WIQ | Visual Studio Work Item Query File | 3.6 |
| .AUTOPLAY | AutoPlay Media Studio Project File | 3.6 |
| .VBG | Visual Basic Project Group File | 3.6 |
| .SMA | AMX Mod Plugin Source File | 3.6 |
| .ALB | Alpha Five Library | 3.5 |
| .RSRC | Macintosh Resource File | 3.5 |
| .ISM | InstallShield Project File | 3.5 |
| .DPR | Delphi Project | 3.5 |
| .ASM | Visual Studio Assembler Source Code File | 3.5 |
| .NUSPEC | NuGet Specification File | 3.5 |
| .XPP | X++ Source Code File | 3.5 |
| .LDS | Binutils LD Linker Script | 3.5 |
| .PBXPROJ | Xcode Project Data File | 3.5 |
| .WDP | Windev Project File | 3.5 |
| .DSGM | DS Game Maker Project | 3.5 |
| .BDSPROJ | Borland Developer Studio Project | 3.5 |
| .WSC | Windows Script Component | 3.5 |
| .TUR | Turing Program Source File | 3.5 |
| .PRG | RAPID Program File | 3.5 |
| .DPROJ | Delphi Project | 3.5 |
| .LTB | LithTech Binary File | 3.5 |
| .FOR | Fortran 77 Source File | 3.5 |
| .ERL | Erlang Source Code File | 3.5 |
| .NVV | NVIDIA Vertex Shader File | 3.5 |
| .BSC | Visual Studio Source Browser Information File | 3.5 |
| .OCA | Custom Control Library Type File | 3.5 |
| .DF1 | Omnis Native Datafile | 3.5 |
| .AM6 | AutoPlay Media Studio 6 Project | 3.5 |
| .FSSCRIPT | Visual F# Script | 3.5 |
| .RBC | Rembo-C Script | 3.5 |
| .SLTNG | StarLogo TNG Project File | 3.5 |
| .ICONSET | Mac OS X Icon Set Folder | 3.5 |
| .PBK | Pixel Bender Kernel File | 3.5 |
| .CLW | Visual C++ ClassWizard File | 3.5 |
| .PBXBTREE | Xcode Auto-Complete File | 3.5 |
| .HAML | Haml Source Code File | 3.5 |
| .PRO | Qt Project File | 3.5 |
| .LSPROJ | Visual Studio LightSwitch Project | 3.5 |
| .WDW | WinDev Window File | 3.5 |
| .LNT | PC-lint/FlexeLint Configuration File | 3.5 |
| .MCP | CodeWarrior Project | 3.5 |
| .WDL | World Definition Language Script | 3.5 |
| .IST | InstallShield Project Template File | 3.5 |
| .GITIGNORE | Git Ignore File | 3.5 |
| .M | MATLAB Source Code File | 3.5 |
| .BB | Blitz Source Code File | 3.5 |
| .WSP | SharePoint Solution Package | 3.5 |
| .NSI | NSIS Script | 3.5 |
| .SAS | SAS Program File | 3.5 |
| .GEM | RubyGems Package | 3.5 |
| .DBML | Visual Studio OR Design File | 3.4 |
| .DPL | Delphi Package Library | 3.4 |
| .F90 | Fortran 90 Source Code File | 3.4 |
| .CXX | C++ Source Code File | 3.4 |
| .PRI | Package Resource Index File | 3.4 |
| .PKGDEF | Visual Studio Shell File | 3.4 |
| .M4 | Macro Processor Library | 3.4 |
| .XCCONFIG | Xcode Configuration Settings File | 3.4 |
| .NBC | Next Byte Codes Source Code File | 3.4 |
| .PL1 | PL/I Source Code | 3.4 |
| .KPL | Kids Programming Language File | 3.4 |
| .HAL | HansaWorld Application Language File | 3.4 |
| .SUP | Super Project Definition File | 3.4 |
| .VBPROJ | Visual Studio Visual Basic.NET Project | 3.4 |
| .PLAYGROUND | Xcode Playground File | 3.4 |
| .NLS | NetLogo Source File | 3.4 |
| .UML | UML Data Object Model | 3.4 |
| .PL | Prolog Source Code File | 3.3 |
| .V11.SUO | Visual Studio 2012 Solution User Options File | 3.3 |
| .SYM | Symbols File | 3.3 |
| .MSHC | Microsoft Help Container File | 3.3 |
| .MSHA | Microsoft Help Asset File | 3.3 |
| .XOJO_PROJECT | Xojo Project File | 3.3 |
| .INL | C++ Inline File | 3.3 |
| .XOML | Windows Workflow File | 3.3 |
| .MSS | Microprocessor Software Specification File | 3.3 |
| .OWL | OWL Source Code File | 3.3 |
| .XOJO_XML_PROJECT | Xojo XML Project File | 3.3 |
| .CDF | CryENGINE Character Definition File | 3.3 |
| .CTXT | BlueJ Context File | 3.3 |
| .ERB | Ruby ERB Script | 3.3 |
| .PCP | Windows Installer Patch Creation Properties File | 3.3 |
| .MER | RSView Development Runtime File | 3.3 |
| .HXX | C++ Source Code Header File | 3.3 |
| .JPR | JBuilder Project | 3.3 |
| .PYX | Pyrex Source Code File | 3.3 |
| .CP | Captivate Source File | 3.3 |
| .PXD | Pyrex Definition File | 3.3 |
| .CSI | ContentServ Include File | 3.3 |
| .SRC | Source Code | 3.3 |
| .A2W | Alice World | 3.3 |
| .EXP | Symbols Export File | 3.3 |
| .DM1 | ER/Studio Data Model File | 3.3 |
| .PM | Perl Module | 3.3 |
| .VDP | Visual Studio Deployment Project | 3.3 |
| .NW | Node-Webkit App Package | 3.3 |
| .FORTH | Forth Language File | 3.3 |
| .RSS | Symbian Application Resource File | 3.3 |
| .EDMX | ADO.NET Entity Data Model Designer File | 3.3 |
| .DGSL | Visual Shader Graph File | 3.3 |
| .WXL | WiX Localization File | 3.3 |
| .VSMACROS | Visual Studio Binary Macro Project | 3.3 |
| .CCN | Compressed Multimedia Fusion File | 3.3 |
| .PLI | PL/I Source Code File | 3.3 |
| .ASVF | Asphyre Sphinx Archive File | 3.2 |
| .NSH | NSIS Header File | 3.2 |
| .T | Turing Source Code File | 3.2 |
| .MV | MivaScript File | 3.2 |
| .RESW | Windows Resources File | 3.2 |
| .WXS | WiX Source File | 3.2 |
| .PPC | Mobile Data Studio Project File | 3.2 |
| .DOB | Visual Basic UserDocument | 3.2 |
| .FTN | Fortran Source Code File | 3.2 |
| .LBI | Dreamweaver Library Item | 3.2 |
| .MOM | Managed Object Model | 3.1 |
| .CBL | COBOL Source Code File | 3.1 |
| .DEC | Declaration File | 3.1 |
| .HPF | High Performance Fortran File | 3.1 |
| .VSSSCC | Visual Studio Solution Source Control File | 3.1 |
| .ACD | RSLogix 5000 Program | 3.1 |
| .SS | SilverStripe Source Code File | 3.1 |
| .CAF | CryENGINE Character Animation File | 3.1 |
| .POT | Portable Object Template | 3.1 |
| .A | Static Library | 3.1 |
| .PSC | Papyrus Script | 3.1 |
| .WDGTPROJ | Dashcode Widget Project | 3.0 |
| .TMLANGUAGE | TextMate Language Grammar File | 3.0 |
| .XQL | XML Query Language File | 3.0 |
| .NED | OMNeT++ Network Description File | 3.0 |
| .LXSPROJ | Liquid XML Studio Project File | 3.0 |
| .WIXOBJ | WiX Object File | 3.0 |
| .VSZ | Visual Studio Wizard File | 3.0 |
| .PKGUNDEF | Visual Studio Shell File | 3.0 |
| .BBPROJECT | BBEdit Project File | 3.0 |
| .TEXTFACTORY | BBEdit Text Factory | 3.0 |
| .WIXMST | WiX Transform File | 3.0 |
| .WIXOUT | WiX XML Output File | 3.0 |
| .VSPX | Visual Studio Performance Report Data File | 3.0 |
| .WIXLIB | WiX Library File | 3.0 |
| .LUCIDSNIPPET | Lucid Snippet | 3.0 |
| .NEKO | Neko Source Code File | 3.0 |
| .CVSRC | CVS Command File | 3.0 |
| .TLD | Tag Library Descriptor File | 3.0 |
| .IWB | IWBasic Source Code File | 3.0 |
| .ODL | Object Description Language File | 3.0 |
| .P3D | Panda3D Multifile | 3.0 |
| .XQM | XQuery Module | 3.0 |
| .PRI | Qt Project Include File | 3.0 |
| .SRC.RPM | Red Hat Package Manager Source File | 3.0 |
| .XOJO_BINARY_PROJECT | Xojo Binary Project File | 3.0 |
| .FXL | FaceFX Language File | 3.0 |
| .RAV | Rave Reports Project File | 3.0 |
| .JCP | JCreator Project File | 3.0 |
| .XCSNAPSHOTS | Xcode Snapshot | 3.0 |
| .VSPS | Visual Studio Serialized Performance Report | 3.0 |
| .GAMEPROJ | GameSalad Project File | 3.0 |
| .BS2 | BASIC Stamp 2 Code File | 3.0 |
| .VBZ | Visual Basic Project Template | 3.0 |
| .RBP | Real Studio Project File | 3.0 |
| .RISE | RISE Editor Model File | 3.0 |
| .IWS | IntelliJ IDEA Web Page | 3.0 |
| .FXCPROJ | FX Composer Project File | 3.0 |
| .PDM | VB Project Information File | 3.0 |
| .SCRIPTTERMINOLOGY | AppleScript Script Terminology File | 3.0 |
| .RNC | RELAX NG Compact Syntax File | 3.0 |
| .XCAPPDATA | Xcode App Data File | 3.0 |
| .AM5 | AutoPlay Media Studio 5 Project File | 3.0 |
| .LICX | Visual Studio License File | 3.0 |
| .VDM | VDM Specification File | 3.0 |
| .FBZ7 | Compressed FinalBuilder 7 Project | 3.0 |
| .PLE | Messenger Plus! Live Encrypted Log File | 3.0 |
| .DPKW | Delphi Package | 3.0 |
| .VSPSCC | Visual Studio Project Source Control File | 3.0 |
| .VTM | Visual Tool Markup Language Document | 3.0 |
| .GMO | GNU Machine Object File | 3.0 |
| .RODL | RemObjects Definition Language File | 3.0 |
| .XOJO_MENU | Xojo Menu File | 3.0 |
| .LBS | Omnis Library | 3.0 |
| .MSHI | Microsoft Help Index File | 3.0 |
| .COB | COBOL Source Code File | 3.0 |
| .FSPROJ | FireStarter Project File | 3.0 |
| .TESTRUNCONFIG | Visual Studio Test Run Configuration File | 3.0 |
| .ADDIN | Visual Studio Add-in Definition File | 3.0 |
| .DCUIL | Delphi .NET Compiled Unit File | 3.0 |
| .CLIPS | Coda Clips File | 3.0 |
| .GSZIP | GameSalad Marketplace Asset File | 3.0 |
| .TLI | Typelib Generated C/C++ Inline File | 3.0 |
| .DBPROJ | Visual Studio Database Project File | 3.0 |
| .RESJSON | Windows JavaScript Resources File | 3.0 |
| .MDZIP | MagicDraw Project Archive | 3.0 |
| .REFRESH | Visual Studio Refresh File | 3.0 |
| .BCP | Borland C++ Makefile | 3.0 |
| .EQL | Embedded SQL File | 3.0 |
| .GEMSPEC | Gem Specification File | 3.0 |
| .GED | Game Editor Project File | 3.0 |
| .WPW | WinDev Mobile Window File | 3.0 |
| .GS3 | GameStarter File | 3.0 |
| .GORM | Gorm Interface Resource File | 3.0 |
| .XCODEPROJ | Xcode Project | 3.0 |
| .VC | Verge Code File | 2.9 |
| .ENT | External Entity | 2.9 |
| .SPEC | RPM Specification File | 2.9 |
| .C | Lite-C Script | 2.9 |
| .TNS | TI-Nspire Document | 2.8 |
| .BRX | BREW Application Resource File | 2.8 |
| .LPROJ | Localized Project Folder | 2.8 |
| .XCARCHIVE | Xcode Archive | 2.8 |
| .IDT | Windows Installer Database Text Archive File | 2.8 |
| .TCL | Tcl Script | 2.8 |
| .DBA | CryENGINE Animation Database File | 2.8 |
| .LICENSES | Visual Studio Licensed Classes File | 2.8 |
| .GREENFOOT | Greenfoot Project Archive | 2.8 |
| .4TH | Forth Language File | 2.8 |
| .CTL | Visual Basic UserControl Object File | 2.8 |
| .VGC | ViziGen Code Generation Template | 2.8 |
| .DSP | Visual C++ 6 Project | 2.8 |
| .EDML | Adobe Extension Data Markup Language Document | 2.8 |
| .FSPROJ | Visual F# Project File | 2.8 |
| .XIB | Interface Builder File | 2.8 |
| .P | Pascal Source Code | 2.7 |
| .MOD | Fortran Module | 2.7 |
| .TDS | Turbo Debugger Symbols File | 2.7 |
| .BBPROJECTD | BBEdit Project Document | 2.7 |
| .CSN | Adobe Code Snippet Document | 2.7 |
| .PCH | Precompiled Header File | 2.7 |
| .DBO | DarkBASIC Object | 2.7 |
| .VTV | Adobe Dreamweaver Validator Configuration File | 2.7 |
| .APS | Visual C++ Resource File | 2.7 |
| .DPK | Delphi Package | 2.6 |
| .R | Rez Source Code File | 2.6 |
| .MPR | FoxPro Generated Menu Program | 2.6 |
| .MSP | MaxScript Page File | 2.6 |
| .INFORM | Inform Project | 2.5 |
| .PRG | Visual FoxPro Program File | 2.5 |
| .SQLPROJ | Visual Studio SQL Server Project | 2.5 |
| .BPG | Borland Project Group | 2.5 |
| .NCB | Visual C++ IntelliSense Database | 2.5 |
| .DCPROJ | Dashcode Project | 2.5 |
| .FXPL | Adobe Flash FXP Library | 2.5 |
| .FSX | Visual F# Script File | 2.5 |
| .SDEF | AppleScript Dictionary Document | 2.5 |
| .VSMDI | Visual Studio Test Metadata File | 2.5 |
| .TU | Turing Source File | 2.5 |
| .RBW | Ruby Script | 2.5 |
| .VTML | Visual Tool Markup Language File | 2.5 |
| .GFAR | Greenfoot Archive | 2.5 |
| .VSMPROJ | Visual Studio Text Macro Project | 2.5 |
| .GROUPPROJ | Delphi Project Group File | 2.5 |
| .PSM1 | Windows PowerShell Script Module File | 2.5 |
| .RKT | Racket Source Code File | 2.4 |
| .LHS | Literate Haskell Script | 2.4 |
| .WIXPROJ | WiX Project File | 2.4 |
| .POD | Perl POD File | 2.4 |
| .VSP | Visual Studio Performance Report File | 2.4 |
| .PDE | Processing Development Environment Source Code File | 2.3 |
| .EXW | Euphoria Source code File | 2.3 |
| .DCU | Delphi Compiled Unit | 2.3 |
| .DFM | Delphi Form | 2.3 |
| .CSI | EdLog Program Data File | 2.3 |
| .MSL | Mapping Specification Language File | 2.2 |
| .CFC | ColdFusion Component File | 2.1 |
| .FSI | Visual F# Signature File | 2.0 |
| .VCP | eMbedded Visual C++ Project File | 2.0 |
| .NQC | Not Quite C Source Code File | 2.0 |
| .SBPROJ | OpenGL Shader Builder Project | 2.0 |
| .ARTPROJ | Artifacts Project | 2.0 |
| .WXI | WiX Include File | 2.0 |
| .DBPRO | DarkBASIC Professional Project File | 2.0 |
| .DBA | DarkBASIC Source Code File | 2.0 |
| .WIXMSP | WiX XML Patch File | 2.0 |
| .WIXPDB | WiX Debug File | 2.0 |
| .LIT | Literate Haskell Script | 2.0 |
| .XQUERY | XQuery Source Code File | 2.0 |
| .SCRIPTSUITE | AppleScript Script Suite File | 2.0 |
| .MAGIK | Magik Source Code File | 2.0 |
| .SSC | SourceSafe Status File | 2.0 |
| .CCGAME | XNA Creators Club Game Package | 1.8 |
| .GROOVY | Groovy Source Code File | 1.7 |
| .DEVICEIDS | Device Identification FIle | 1.7 |
| .JPX | JBuilder Project | 1.7 |
| .GMD | Game Maker Program Code | 1.6 |
| .R | REBOL Script | 1.4 |
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