| Extension |
File Description |
|
Common? |
| .$01 | DOS Pipe File | | No |
| .4db | 4th Dimension Database Structure File | | No |
| .4dd | 4th Dimension Database Data File | | No |
| .a | Static Library | | No |
| .ab | Applix Builder File | | No |
| .abc | ABC Source File | | No |
| .acd | RSLogix 5000 Program | | No |
| .ada | Ada Source Code | | No |
| .adb | Ada Body File | | No |
| .ads | Ada Specification File | | No |
| .aep | Activ E-Book Project | | No |
| .agi | Asterisk Gateway Interface File | | No |
| .apa | RSView Development Project Archive | | No |
| .as | ActionScript File | | No |
| .asm | Assembly Language Source Code | | No |
| .au3 | AutoIt v3 Script | | No |
| .b | BASIC Source File | | No |
| .bas | BASIC Source Code File | | No |
| .bb | Blitz Source Code File | | No |
| .bbc | BBC BASIC Data File | | No |
| .bcp | Borland C++ Makefile | | No |
| .bet | BETA Source File | | No |
| .bpg | Borland Project Group | | No |
| .bpl | Borland Package Library | | No |
| .bs2 | BASIC Stamp 2 Code File | | No |
| .c | C/C++ Source Code File | | Yes |
| .cap | Construct Game Development File | | No |
| .cbl | COBOL Program | | No |
| .cc | C++ Source Code File | | No |
| .class | Java Class File | | No |
| .cls | Program Class File | | No |
| .cob | COBOL Source Code File | | No |
| .cod | Compiled Source Code | | No |
| .config | Configuration File | | No |
| .cp | Captivate Source File | | No |
| .cpp | C++ Source Code File | | Yes |
| .cs | C Sharp Source Code File | | No |
| .csi | ContentServ Include File | | No |
| .cst | ContentServ Template | | No |
| .ctl | Visual Basic UserControl Object File | | No |
| .ctx | Visual Basic Control Binary File | | No |
| .d | D Source Code File | | No |
| .dcp | Delphi Compiled Package | | No |
| .dcu | Delphi Compiled Unit | | No |
| .dec | Declaration File | | No |
| .def | Module-Definition File | | No |
| .def | SmartWare II Data File | | No |
| .dev | Dev-C++ Project File | | No |
| .df1 | Omnis Native Datafile | | No |
| .dfm | Delphi Form | | No |
| .dob | Visual Basic UserDocument | | No |
| .dox | Visual Basic Binary UserDocument | | No |
| .dpk | Delphi Package | | No |
| .dpl | Delphi Package Library | | No |
| .dpr | Delphi Project | | No |
| .dsk | Borland Project Desktop File | | No |
| .dsp | Developer Studio Project | | No |
| .dtd | Document Type Definition | | No |
| .dylib | Dynamic Library | | No |
| .ent | External Entity | | No |
| .eql | Embedded SQL File | | No |
| .ex | Euphoria Source Code | | No |
| .f | Fortran Source Code | | No |
| .f90 | Fortran 90 Source File | | No |
| .fbp | wxFormBuilder Project | | No |
| .fgl | Fifth Generation Language Source File | | No |
| .fic | WINDEV Hyper File Database | | No |
| .fla | Adobe Flash Animation | | No |
| .for | Fortran 77 Source File | | No |
| .fpa | Front Panel Encrypted Order File | | No |
| .fpd | Front Panel Order File | | No |
| .fpm | FPS Creator Map File | | No |
| .fpp | Fortran Source Code | | No |
| .fpp | Front Panel Project | | No |
| .framework | Mac OS X Application Framework | | No |
| .frm | Visual Basic Text Form | | No |
| .frx | Visual Basic Binary Form | | No |
| .fsproj | FireStarter Project File | | No |
| .ged | Game Editor Project File | | No |
| .global | Global Makefile | | No |
| .gm6 | Game Maker 6 Project File | | No |
| .gmd | Game Maker Program Code | | No |
| .gmk | Game Maker 7 File | | No |
| .gorm | Gorm Interface Resource File | | No |
| .gs3 | GameStarter File | | No |
| .h | C++ or Java Header File | | No |
| .has | Haskell Script | | No |
| .hh | C++ Header File | | No |
| .hhh | Power C Precompiled Header File | | No |
| .hpp | C++Builder Header File | | No |
| .hs | Haskell Script | | No |
| .i | INTERCAL Source File | | No |
| .idb | Visual Studio Intermediate Debug File | | No |
| .inc | Include File | | No |
| .isc | Xilinx Device Configuration File | | No |
| .iss | InstallShield Silent Response | | No |
| .j | Java Source File | | No |
| .jav | Java Source File | | No |
| .java | Java Source Code File | | Yes |
| .jed | Xilinx JEDEC Programming File | | No |
| .jic | JTAG Indirect Configuration File | | No |
| .jpd | Java Process Definition | | No |
| .jpr | JBuilder Project | | No |
| .jpx | JBuilder Project | | No |
| .kb | C++ Keyboard Script | | No |
| .kdevdlg | KDevelop Dialog Box File | | No |
| .kdevelop | KDevelop Project Data File | | No |
| .kdevprj | KDevelop Project File | | No |
| .lbi | Dreamweaver Library Item | | No |
| .lbs | Omnis Library | | No |
| .lds | Linux Compile Time Header File | | No |
| .lgo | Logo Instructions File | | No |
| .lhs | Literate Haskell Script | | No |
| .lis | VAX Program Listing | | No |
| .lit | Literate Haskell Script | | No |
| .lnt | PC-lint/FlexeLint Configuration File | | No |
| .lproj | Localized Project Folder | | No |
| .lsp | Lisp Program Source Code | | No |
| .lua | Lua Source File | | No |
| .m | Objective-C Implementation File | | No |
| .m4 | Macro Processor Library | | No |
| .mak | Makefile | | No |
| .md | Machine Description | | No |
| .med | RSView Development Project | | No |
| .mer | RSView Development Runtime File | | No |
| .mf | Java Manifest File | | No |
| .mk | Makefile | | No |
| .mod | Fortran Module File | | No |
| .mpr | FoxPro Generated Menu Program | | No |
| .nib | Interface Resources | | No |
| .o | Compiled Object File | | No |
| .oca | Custom Control Library Type File | | No |
| .ocx | ActiveX Control | | No |
| .omo | OMake Object File | | No |
| .p | Pascal Source Code | | No |
| .p | Python Pickle File | | No |
| .pas | Pascal Source File | | No |
| .pb | PureBasic Source File | | No |
| .pbproj | Project Builder Project | | No |
| .pch | Precompiled Header | | No |
| .pdm | VB Project Information File | | No |
| .pl | Perl Script | | Yes |
| .pl | Prolog Source Code File | | No |
| .plc | PL/B Source File | | No |
| .pm | Perl Module | | No |
| .pod | Perl POD File | | No |
| .ptl | Rational Rose Petal File | | No |
| .pyd | Python Dynamic Module | | No |
| .pyw | Python GUI Source File | | No |
| .qpr | FoxPro Generated Query Program | | No |
| .qx | Quexal Source Code | | No |
| .rb | REALbasic Project | | No |
| .rb | Ruby Source Code | | No |
| .rbc | Rembo-C Script | | No |
| .rbp | REALbasic Project | | No |
| .rc | Resource Script | | No |
| .res | Windows Resource File | | No |
| .res | C++ Complied Resource File | | No |
| .rnc | RELAX NG Compact Syntax File | | No |
| .rsrc | Macintosh Resource File | | No |
| .ru | JavaSoft JRE 1.3 Library | | No |
| .rul | InstallShield Rules | | No |
| .s | Source Code File | | No |
| .s19 | Motorola S19 File Record | | No |
| .sas | SAS Program File | | No |
| .sc | SuperCollider Source Code File | | No |
| .sh | Bash Shell Script | | No |
| .sln | Visual Studio Solution File | | No |
| .snippet | Visual Studio IntelliSense Code Snippet | | No |
| .so | Shared Library | | No |
| .spt | ESPL Programming File | | No |
| .src | Source Code | | No |
| .ssc | SourceSafe Status File | | No |
| .sud | Super Project Analyzer File | | No |
| .suo | Visual Studio Solution User Options File | | No |
| .sup | Super Project Definition File | | No |
| .swd | Flash Debug File | | No |
| .t | Turing Source Code File | | No |
| .targets | MSBuild Targets File | | No |
| .tcl | Tcl Script | | No |
| .tds | Turbo Debugger Symbols File | | No |
| .tk | Tk Script | | No |
| .tpu | Turbo Pascal Unit | | No |
| .tpx | Turbo Pascal 7 Unit | | No |
| .tu | Turing Source File | | No |
| .tur | Turing Program Source File | | No |
| .ui | User Interface File | | No |
| .vac | Oc2.316s Cakit File | | No |
| .var | Variable Data | | No |
| .vbg | Visual Basic Project Group File | | No |
| .vbp | Visual Basic Project File | | No |
| .vbx | Visual Basic Custom Control | | No |
| .vbz | Visual Basic Project Template | | No |
| .vc | Verge Code File | | No |
| .vc4 | Visual C++ 4 File | | No |
| .vcproj | Visual C++ Project File | | No |
| .vcx | Visual Fox Pro Class Library | | No |
| .vdm | VDM Specification | | No |
| .vdproj | Visual Studio Deployment Project File | | No |
| .vgc | ViziGen Code Generation Template | | No |
| .vhd | VHDL Source File | | No |
| .vic | ViziGen Code Import Mappings File | | No |
| .vpc | ViziGen Configuration File | | No |
| .x | Lex Source Code File | | No |
| .xaml | XAML File | | No |
| .xcode | Xcode Project | | No |
| .xcodeproj | Xcode Project | | No |
| .xsd | XML Schema Definition | | No |
| .yab | Yabasic Source Code | | No |
| .ymp | YaST Metapackage File | | No |
