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y .a - UNIX static library file. y .ac - ACwin project file / GNU Autoconf configuration script / AC3D geometry file / Acceleration record file. y .acc - GEM desk accessories file. y .accdb - Access 2007 database file. y .ace - ACE Archiver compression file. y .act - Action diagram (FoxPro) / Action File (Animation Master). y .acv - Adobe Photoshop compensation curve file. y .ade - Microsoft Access project extension. y .adp - Microsoft Access project file / Dynamic web page. y .adm - Addict Dictionary file / Group Policy Administrative Template file. y .afw - Bullion firmware file. y .agd - Agile Advantage file / AgileGraph data file. y .ai - PostScript viewer / Acrobat Illustrator vector graphics file / AIwin project file. y .aid - MapXtreme generated file. y .aif - Audio Interchange File. y .aifc - Compressed audio file. y .aiff - Audio Interchange File. y .ald - Axapta Label Data file. y .alg - ESRI Mapper File / HDLmaker file. y .als - Part of the Delphi help file system. y .amm - Adaptive Message Macro file. y .amp - Arbitrary Map file. y .amv - Audio-Video media file. y .ani - Animated cursor file. y .aod - Microsoft Dynamics AX Application Object Data file. y .apn - ApneaGraph data file / Wallpaper graphics file / REC Navigation application. y .app - VoxPro file / GEM file. y .aps - Binary file. y . - Compressed file. y . - Compressed file. y .as - Flash ActionScript file. y .asc - ASCII text file. y .ascx - Visual Studio custom user control source file. y .asf - Media player audio-visual file. y .asm - Assembler file / Solid Edge assembly file / Pro ENGINEER assembly file. y .asp - Active Server page. y .aspx - ASP.NET file. y .aspx.cs - Visual # source file. y .aspx.resx .Net resource file. y .aspx.vb - VB.Net source file. y .atf - Adobe Transfer Functions file / Axon Text File. y .att - attachment. y .atx - Texture plugin (Animation Master) y .aty - 3D Topicscape association type file. y .au - µ-law sound file. y .aux - Auxiliary target file / Erdas Hierarchical File / LaTeX auxiliary reference file / ChiWriter auxiliary dictionary. y .av2 - Avatar2 model file (Animation Master) y .ava - Avatar model file (Animation Master) y .avi - Audio video file. y .awk - AWK script file. y .axe - AutoRoute map export file. y .bad - Generic bad (corrupt) file / Non-delivered email. y .bak - Generic backup file. y .bas - BASIC source code file. y .bat - MS-DOS batch file. y .bbc - BBC BASIC for Windows program or data file. y .bbt - BTwin database file / bbTracker GPS track file / Basket Ball Team file. y .bc - BCwin project file / BitComet intermediary download file / Big Crunch compressed archive / Byte Code (LLVM) file. y .bcd - Board/Chip description file. y .bck - VMS backup file. y .bdb - Back of Works database file. y .bdp - Bad pointer file / Combat Flight Simulator 3 file. y .bdr - Bad mail report file / Microsoft Publisher Border file. y .bfc - Windows Briefcase file. y .bil - Spot raster image file. y .bin - Generic binary / MacBinary encoded file / CD image. y .bk - Adobe FrameMaker book file. y .bkf - Windows backup file. y .bkp - backup file y .bks - Backup selection file. y .blk - Descent Mission Builder block file. y .bmc - Bitmap Cache file / Embroidery image file. y .bmp - Bit-map image file. y .bnk - Decent 2 FM sound instrument definition file. y .bpg - Borland Delphi project group file. y .bpl - Borland library. y .brd - Layout file for EAGLE EDA system / BizInt Smart Charts file. y .brn - BrainStorm model file. y .brw - ProMash session file. y .bsc - Browse information file. y .bt - BTwin project file / EVwin project file / ILwin project file. y .btk - TeKton database file. y .btm - Batch to memory file. y .bud - Backup disk for Quicken. y .bup - Backup of a .ifo file. y .bva - Biovision action file. y .bvh - Biovision hierarchical motion file. y .bvp - BlueVoda Publication file. y .bz2 - compressed file. y .c - 'C' programming language source code. y .c4d - Clonk object definition file. y .c4f - Clonk scenario folder file. y .c4p - Clonk player file. y .c4m - Clonk material file. y .c4i - Clonk object info file. y .c4s - Clonk scenario file. y .c4q - Clonk queue file. y .c4v - Clonk video file. y .cab - compressed file. y .cam - Camera file (Animation Master). y .cat - Security catalogue file. y .cbl - Cobol source file. y .cc - C++ source file. y .ccd - CloneCD control file. y .cct - Adobe Director protected cast resource file. y .cd - Class diagram file / CD-i OptiImage CD image file / cdTree CD catalogue file. y .cd4 - Dymo DiscPainter file. y .cda - Compact disk audio track. y .cdd - Claris Draw graphics file / CVI symbol table / CADEX drawing / ConceptDraw document / UML file. y .cdl - SignLab vector graphics file / Common Data Language file / CAD Advanced Design Language file. y .cdr - CorelDRAW drawing / Raw Audio-CD. y .cdt - Corel Draw template file. y .cdx - Visual FoxPro compound index. y .cer - Certificate file. y .cf - CFwin project file / Sendmail configuration file / Piranha configuration file / configuration file. y .cfm - Cold Fusion mark-up file y .cfml - Cold Fusion mark-up language file. y .cfg - Delphi configuration file / Outlook configuration file / Netgear router configuration backup file. y .cgf - CargoMap file. y .cgi - CGI web based program or script. y .che - CHwinEHE project file / Chemical model file. y .chi - Help file index / ChiWriter document. y .chm - Compiled HTML help file. y .cho - Choreography file (Animation Master) y .chr - Charset file / Constraint Handling Rules file. y .chunk001 - First part of a File Splitter split file. y .chunk002 - Second part of a File Splitter split file. y .chunk003 - Third part of a File Splitter split file. y .cif - Easy CD Creator CD image file. y .cl - Common LISP source file / CLwin project file / Control Language file. y .class - Compiled class file. y .clp - Windows clipboard file. y . - Latex class file / VB6 class file / GSEA Phenotype data format file. y .clw - Class Wizard file / Clarion module file. y .cmd - Windows-DOS command script file. y .cmf - Corel Metafile. y .cml - PADGen company information file / Chemical Markup Language file. y .cn - CNwin account file / MIwin account file / ICM distance restraints file. y .cnt - Contents file for a windows help file. y .com - Executable command file. y .conf - Configuration file. y .coo - Coordinates file. y .cos2 - Pinnacle Studio file. y .cpl - item file. y .cpp - C++ language source file. y .cpt - Compact Pro file. y .cs - Visual C# source file. y .csp -Crystal Server Page / Caché Server Page. y .csproj - C# project file. y . - Cascading style sheet file. y .cst - Adobe Director protected cast resource file / DesignWorks schema file / LogicWorks schema file. y .csv - Comma separated value file. y .ct - CTwin project file / Nucleic acid sequence and base pairing information file / Cheat table file. y .ctt - Messenger contacts file. y .cue - Cue sheet file. y .cur - cursor file. y .cvs - CANVAS file. y .cvx - CANVAS file. y .cwf - ClarisWorks file / COM-Watch File. y .cxt - Director protected cast resource file. y .cxx - C++ language source file. y .da - DAwin project file. y .daa - Direct-Access-Archive CD/DVD image file y .dat - Generic data file / Mapinfo data file / c-tree plus database. y .db - Generic database file / Borland Paradox database file / Thumbnail cache. y .dbc - Visual FoxPro database file. y .dbf - dBASE III database file / dBASE IV database file / dBASE 5 database file / FoxPro database file / ArcView dBASE file. y .dbg - MS-Dev debug file. y .dbi - Delphi Database Explorer file. y .dbx - FoxPro table file / file. y .dcf - Copy protected media file container. y .dci - Delphi code template file. y .dcp - Delphi component package. y .dcr - Delphi component resource file / Shockwave file y .dct - Delphi file / FoxPro file / Aurora dictionary. y .dcu - Delphi compiled unit. y .dcx - FoxPro database index. y .dd - DDwin project file / Mac Disk Doubler compressed . y .ddf - Diamond Directive File. y .ddi - DiskDupe image file. y .ddp - Delphi diagram portfolio file. y . - Package file. y .debuglog - MyDefrag log file. y .def - Windows library definition file. y .dem - Delphi file / Descent 1/2 demo file. y .dep - Dependency file. y .det - Descent Manager file. y .dfm - Delphi form file. y .dfn - Delphi support file for integrated translation environment. y .dft - Solid Edge drafting file. y .dir - Shockwave file. y .dg - Auto-trol vector graphics drawing file. y .dgn - MicroStation binary design file. y .dlg - Windows dialog resource file. y .dll - Dynamic Linked Library. y .dlm - (Microsoft) DownLoad Manager file / Akamai Download Manager file / 3ds Max file. y .dmg - Disk Image. y .dmp - (Windows) Dump file. y .dmt - Delphi menu template file. y .do - ModelSim file / Stata command file. y .doc - Word document / Word Perfect document. y .docx - Microsoft Word (XML) document. y .dof - Delphi options file. y .dot - Microsoft Word template. y .dotm - Microsoft Word 2007 template supporting macros. y .dotx - Microsoft Word 2007 template. y .dpk - Delphi package. y .dpl - Delphi 3 package library. y .dps - DataPower script file. y .dr - DRwin project file / Digital Rights file / Disaster Recovery file. y .dro - Delphi object repository file. y .dpr - Delphi project file. y .drv - Driver file. y .drw - Brother word-processor file / Freelance file / Micrografx file / Autocad drawing / LinkWinds drawing. y .DS_Store - Mac OS X file describing the appearance of a folder. y .dsk - Delphi desktop file. y .dsm - Delphi symbol module / Visual Studio macro file. y .dsn - Tiny CAD file / ODBC File DSN. y .dst - Delphi desktop settings file. y .dti - Delphi 5 diagram portfolio file. y .dtp - Timeworks publisher text file. y .dun - Dial-up networking configuration file. y .dvf - Digital Voice File / Digital View Cam file. y .dvr-ms - Digital Video Recorder file. y .dwf - AutoCAD drawing. y .dwfx - AutoCAD drawing file. y .dwg - AutoCAD binary drawing. y .dwt - AutoCAD binary drawing template / Dreamweaver page template file / Expression Web Dynamic Web Template file. y .dxb - AutoCAD binary drawing exchange format. y .dxf - AutoCAD drawing exchange format file. y .dxr - Macromedia Director Protected movie file. y .e00 - ArcInfo export file. y .eb - EBwin project file. y .edb - Exchange database file / Windows update data store file / XEphem database file / Extensible storage engine database page file. y .ecw - Enhanced Compressed Wavelet. y .elx - Elixir Form Design Suite file. y .emf - Enhanced Windows Metafile. y .eml - e-mail file. y .end - CorelDraw arrow-head definition. y .epf - EAGLE Preferences file / Encapsulated PostScript file / Entrust profile file. y .eps - Encapsulated postscript file. y .eps2 - Adobe PostScript Level II. y .err - FoxPro compilation error file. y .esl - FoxPro support library file. y .evt - Event log file. y .exe - Executable file / Self extracting archive. y .exp - LIB export file / SonicWall exported configuration file. y .ezs - EZ-R Stats batch script file. .fas - Fast load lisp file. y .fcc - FreeProxy cache control file. y .fcd - Virtual CD-ROM file / FreeProxy cache data file / Flowcode file. y .fcg - FastCGI script. y .fd - MO5 disk image file. y .fdp - FlashDevelop project file / MapSonic memory card format map file / FileDisk Protector file. y .fes - 3D Topicscape fileless occurrence file. y .ffa - Fast Find file. y .ffl - Fast Find file. y .ffo - Fast find file. y .ffx - Fast find file. y .fh - Simplex database form file. y .fky - FoxPro macro file. y .fla - Flash movie file. y .flk - plugin (Animation Master) y .fll - FoxPro dynamic link library. y .flv - File. y .fm - Adobe FrameMaker document file. y .fmt - FoxPro format file / Tharo Systems label file. y .fnt - Font file / Descent font file. y .fol - First Choice Database file. y .fon - System font file. y .for - Fortran source code file. y .force - file. y .fp - FinePrint AutoSave file / FoxPro configuration file / CRiSP Fishery Policy file. y .fp5 - Filemaker Pro database file. y .fp7 - FileMaker Pro database file. y .fpt - Foxpro table memo. y .fpx - FlashPix image file. y .frm - source code / MySql table definition file. y .frt - FoxPro report. y .frx - FoxPro report / Visual Basic form binary file. y .fts - Help index file. y .ftw - Family Tree Maker export file y .fxp - FoxPro compiled program. y .gbi - Delphi database explorer file / gBurner Image file. y .gbm - MapServer bitmap store file. y .gdb - MapServer database file / Interbase file. y .gds - MapServer dataset file. y .ged - GEDCOM file. y .gem - GEM metafile. y .gen - ARC Digitized graphics file / Compressed Digitized Graphics file y .gid - Windows (help) global index. y .gi - Global Image file. y .gif - GIF image file. y .gix - MapServer sheet index file. y .gjm - Compressed audio file (). y .gjs - Compressed audio file (stereo). y .gmt - Zmodeler2 filter file. y .gpd - Generic Printer Driver file / CRISP output file / Gameplay data file / Grid Parameter Definition file / Visual Epr input file. y .gra - Gradient plugin (Animation Master). y .grc - Vertical Mapper Classified Grid file. y .grd - Vertical Mapper Continuous grid file / RockWorks XYG data file. y .grp - Program Manager Group file. y .gsf - MapServer sheet file. y .gvp - Video Player File. y .gz - Unix compressed file. y . - Compressed file. y .h - Header file. y .ham - Descent 2 game data attribute file. y .hcsp - HTML page generated from Stellent CMS. y .hex - Macintosh binary file. y .hhc - HTML Help Workshop Contents file. y .hhf - Hand Held Format file / HLA Header file. y .hhk - HTML Help Workshop Index file. y .hhp - HTML Help Workshop Project file. y .hi - Descent 2 high score file. y .hlp - Windows standard help file. y .hmp - Music file. y .hog - Descent 1/2 archive file. y .hol - Microsoft Outlook Holiday file. y .hpp - C++ header file. y .hqx - Macintosh binary file. y .ht - HyperTerminal file. y .hta - Hypertext Application. y .htm - HTML file. y .html - HTML file. y .htt - Folder settings file. y .hxm - Descent 2 game data attribute file. y .hxt - Hash extension plugin (Animation Master). y .hxx - C++ header file. y .i00 - WinPhone phonebook / DVD Shrink. y .i - Borland C++ intermediary file. y .ic - ASwin project file. y .icf - Information (Model) Configuration file / ICOM (CS-R20) communications file. y .icl - Icon Library File. y .icm - Image Color Matching profile. y .ico - Windows icon file. y .ics - data exchange file / SwiftView command file / IronCAD Scene file / Isochrone save file. y .id - MapInfo index file. y .idb - MS-Dev intermediate file. y .idx - FoxPro index file / C-tree plus index file. y .if - CRwin project file. y .ifo - CD/DVD Information file. y .iif - QuickBooks import file. y .img - GEM image file / CloneCD image file / CD image file / Erdas Hierarchical Image file / LinkSys firmware image file. y .imh - Incredimail email index file. y .imm - iMindMap mind-map file / IncrediMail e-mail file. y .imp - import file / Simply Accounting file / Compressed archive / FileMaker Pro data filter / Desktop Dispatcher import file / WINGS GIS export file. y .in - GNU Autoconf configuration script. y .ind - MapInfo index file. y .inf - Information file. y .ini - Initialisation file. y .ink - Mimio presentation / Pantone reference fills file. y .inl - Inline file. y .ins - Naming Service file / InstallShield script. y .isd - MySql data file. y .ism - MySql index file. y .iso - CD image file. y .iss - Inno Setup Script / InstallShield Silent response file. y .iwp - Interactive web physics file / Wang WP file / Generated web page .jad - Java Application Descriptor.

y . - Java Archive. y .java - Java source file. y .jfif - JPEG graphics file. y .jgw - JPEG world file y .jhtm - Java Server page y .jhtml - Java Server page. y .jnl - CVS journal file. y .jpg - JPEG graphics file. y .jpeg - JPEG graphics file. y .jpe - JPEG graphics file. y .jpr - JBuilder project file. y .jpx - JBuilder project file. y .js - JavaScript file. y .jsf - JourneyMan Session File / JavaServer Faces file. y .json - JSON data interchange file. y .jsp - Java Server page. y .k7 - MO5 tape image file. y .klb - F-Secure anti-virus signature update file. y .kfm - Keyframe Motion file (Animation Master). y .kml - Keyhole Markup Language file (Google Earth) y .kmz - Compressed keyhole markup language file. y .l - LEX source file y .lab - Excel mailing labels file / Codesoft Systems label software template file. y .lbl - Tharo Systems output label file. y . - Library file (Animation Master). y .lbt - FoxPro label memo. y .lbx - FoxPro label. y .ldf - SQL Server database log file. y .ldif - LDAP Data Interchange file / Netscape address book export. y .ldr - LDraw drawing file y .lgo - Windows start-up logo file. y . - Compressed file. y .lib - Library file. y .lic - Component license file / Generic license file. y .lit - eBook / Light file. y .lnk - Windows shortcut. y .log - Log file. y .lsp - Autocad lisp program. y .lst - Listing file / FoxPro file / Playlist file / Kaspersky black-list file / PowerPoint play list file. y .lzh - Compressed file. y .m1v - MPEG movie. y .m2ts - Sony high definition video file. y .m3u - MP3 play list. y .m4a - Apple Inc MPEG 4 file. y .map - Linker map file / MapInfo file / Manifold project file. y .maq - Access query. y .mar - Access report. y .mat - Material file. y .max - PaperPort image file. y .mbm - MultiBitMap file. y .mbs - / Multi bit series file / Master Bibliography style file / MR Tech backup / Macrografx Picture Publisher Brush / Mailbag assistant script. y .mcd - Motion capture plugin (Animation Master). y .mco - MSN messenger winks file / XtraMusic file (tentative). y .md5 - Shorten audio checksum file / MD5 checksum file. y .mda - MicroDesign area file. y .mdb - Access database. y .mde - Access database (compiled). y .mdf - SQL Server database file / CD image file. y .mdl - Rose model file / Animation Master model file. y .mdp - MicroDesign page file. y .mds - CD image file. y .mdx - MapServer database index file / dBase index file. y .mgl - Mascopt network graph file / plvdkey management summary file. y .mht - Web archive file. y .mhtml - Modular Hyper Text Mark-up Language web page / Web archive file. y .mid - MIDI file / MapInfo interchange file. y .mif - MapInfo interchange file. y .mim - A MIME file. y .mix - Power C object file / Command and Conquer file / PhotoDraw picture / Picture IT! picture / Dance eJay music mix. y .mkv - Matroska video file. y .mm - FreeMind file / Matrix Market file. y .mma - Musical MIDI Accompaniment song file / Master Album Maker Album. y .mmap - MindManager mind-map file. y .mmd - Mail Message Download file y .mn2 - Descent 2 mission file. y . - Windows kernel module. y .modd - Picture Motion Browser data file. y .moff - Picture Motion Browser index file. y .mol - Molfile. y .mot - Motion file. y .mov - QuckTime movie. y .movie - Silicon Graphics movie. y .moz - Netscape cache file. y .mp2 - MPEG 2 audio file. y .mp3 - MPEG 3 audio file. y .mp4 - MPEG 4 audio file. y .mpc - Musepack (audio) file. y .mpd - Multi Part Dat file. y .mpe - MPEG movie. y .mpeg - MPEG movie. y .mpg - MPEG movie. y .mpp - Microsoft Project file / CAD drawing file. y .msc - MMC snap-in file / CRiSP fish stocks file. y .msdvd - Windows DVD Maker project file. y .mse - MSwinEHE project file. y .msg - Outlook message file / Fidonet message. y .msi - System installer package. y .msm - System installer merge module. y .msn - Descent 1 mission file. y .msp - Microsoft System Installer Patch file / Midi Studio Project file. y .mspx - ASP.NET file. y .mst - Microsoft System Installer Transform file y .msv - Memory Stick Voice file / MyStars saved file. y .mvl - Descent 2 movie archive. y .mws - MapInfo workspace file. y .myd - MySQL data file / MyDefrag script. y .myi - MySQL index file. y .nb - Nota Bene document file. y .nba - Nero BackItUp compressed archive. y .ncb - Visual Studio browse file. y .ncf - Netware command file. y .nch - Outlook express news items / Audio file / Virus. y .ndf - Secondary SQL Server data file. y .nds - Nintendo DS binary file. y .ndx - dBase non-maintained index file. y .newsrc - Newsgroup source file. y .nk2 - Microsoft Outlook Nickname file. y .nlm - Netware loadable module. y .nfb - Nokia Phone (Fone) Book, backup file. y .nls - National language code page file. y .nn - Nero CD file list. y .npk - MicroTik RouterOS upgrade package / n- Track Studio temporary file. y .nrg - Nero CD image. y .ns - NSwin project file / NetStumbler log file. y .nsf - Lotus notes database file. y .ntf - National Imagery Transmission format. y .nut - Nutricalc file. y .nwc - NoteWorthy composer music score / NavisWorks Cache file. y .nws - Newsgroup article file / Newsmaster II data file. y .nzb - Newzbin file. y .o - Object file. y .obj - Object file (Windows) y .oca - VB cache file. y .ocx - ActiveX control. y .od - Mascopt graph request file. y .ods - OpenOffice spreadsheet / Outlook Express mailbox. y .odt - OpenDocument Text document / Virtual Reality Explorer Kit Object file. y .oeb - Open eBook file. y .oft - Outlook form template file. y .ogg - Ogg Vorbis music file. y .old - Generic old or backup file. y .opf - FlipBook definition file y .opt - Visual studio workspace information file. y .orf - Olympus Raw File / Descent 3 Outrage Room Format file / Override Rules File. y .ost - Exchange offline storage file. y .ovl - Driveimage setup file / Overlay file. y .p - Progress 4GL code file / Pascal source file. y .p12 - Personal Information Exchange file. y .pab - Microsoft Outlook address book. y .pak - WAD file. y .pal - Generic colour palette files / Paint Shop Pro colour palette file / PiXCL palette file. y .paq8o10t - PAQ compressed archive. y .par - Windows 3.x swap file. y .part - Partial downloaded file. y .pas - Pascal source file. y .pbm - Portable bitmap image file. y .pcd - Kodak photo CD image. y .pch - Precompiled header file. y .pce - mail file. y .pcl - Printer Control Language file. y .pct - Macintosh drawing file. y .pcx - PC Paintbrush image file. y .pd - Paradox database file / Perl data file. y .pdb - Program Database / Palm document. y .pdd - Adobe PhotoDeluxe image file. y .pdf - Portable Document Format / Printer description file. y .pfx - PostEffect plug-in file (Animation Master) / Personal Information Exchange file. y .pgt - Compiled Tags database / Sothink Glanda Widget Tools File. y .php - PHP script file / Server side scripting file. y .pic - Lotus graphic file / Micrografx Draw! file / Pegasus image file / SoftImage frame. y .pict - Apple Mac internal picture format file. y .pif - Executable / graphics file / compressed archive. y .pig - Descent texture data. y .pjp - JPEG graphics file. y .pjpeg - JPEG graphics file. y .pk7 - Signed Electronic bill. y .pkl - Packing list file. y .pl - Perl script. y .plg - Visual Studio build log. y .plist - Property list file / Preference file / Handbrake Presets file. y .plr - Descent player file. y .pls - Generic playlist file. y .plt - Plot file. y .ply - Poly model file (Animation Master). y .pm - Perl Module. y .pm3 - PageMaker 3.0 document. y .pm4 - PageMaker 4.0 document. y .pm5 - PageMaker 5.0 document y .pm6 - PageMaker 6.0 document y .pml - Monitor log file / PADGen program information file. y .pmd - Published map document. y .png - Graphics file. y .pof - Descent 1 3D data file. y .pog - Descent texture data. y .pol - System policy file. y .pot - PowerPoint design template. y .ppd - PostScript printer description / PowerPoint slide show. y .ppm - Portable pixelmap image. y .ppp - Page Plus file / AIRSAR log file / Enfocus PDF Profile. y .pps - PowerPoint slide show / Ping Plotter file. y .ppt - PowerPoint presentation file. y .ppz - PowerPoint animation file / Packed PowerPoint file. y .prb - xyAlgebra probabilities file / DMSolver problem file / Silicon Explorer Probe file / Phat probabilities file. y .pre - Render preset file (Animation Master). y .prf - Outlook Profile file / ClarisWorks Preferences File / Macromedia Director Preferences file. y .prg - FoxPro or dBASE source file. y .prj - PC Guard project file / Animation Master project file. y .prn - Print file. y .pro - Pro/ENGINEER configuration file / Euphoria profile listing file. y .pro2 - Euphoria time profile listing file. y .prt - Pro ENGINEER part file. y .ps - PostScript file. y .psd - Native Adobe Photoshop format. y .psp - Paint Shop Pro image. y .pst - Personal folder file (Microsoft Outlook) / PostEffect file (Animation Master). y .pub - Microsoft Publisher document. y .py - Python source file. y .pwl - Windows (9x) password file. y .px - Paradox database index file. y .qh - Simplex database query file. y .qif - Quicken import file. y .qt - QuickTime movie. y .qxd - QuarkXPress document. y .qxp - QuarkXPress document. y .r - resource file y .r00 - Part of a RAR archive y .r01 - Part of a RAR archive. y .r02 - Part of a RAR archive. y .r03 - Part of a RAR archive. y .r04 - Part of a RAR archive. y .r05 - Part of a RAR archive. y .ra - RealAudio file. y .ram - RealAudio meta file. y . - Compressed file. y .raw - Raw binary image file. y .rc - Resource file. y .rdf - Resource Description Framework file. y .rdi - Remote desktop connection file. y .rdl - Descent 1 level file. y .rdlc - Report Definition file. y .rec - Rational Robot test script / ArcServe backup file / Audio-visual media file / RSA SecurID file / ProMash recipe file. y .res - Resource file. y .resx - .Net resource file. y .rdo - Rawster document object. y .reg - Windows registry file. y .rh - Simplex database report. y .rl2 - Descent 2 level file. y .rm - RealAudio video file. y .rom - MO5 cartridge image file. y .rpm - RedHat package manager. y .rps - Delphi translation repository file. y .rpt - Crystal Report file. y .rsp - Response file / ODBC driver configuration file. y .rt - RealText file. y .rtd - RagTime data file. y .rtf - Rich text file. y .rtx - Rich text file. y .ru - Javasoft JRE lib file / Media file. y .sav - Generic backup file / Generic save file / Game save file / SPSS data file. y .sbh - Rational robot header file. y .sbl - Graphic symbol library file / Rational robot language file / Softbridge Basic language script. y .sbn - Driver 3 game file / ArcView spatial index file. y .sbr - Source browse file. y .sbx - Adobe Illustrator Tsume File / ArcView spatial index file. y .sca - Scala script file. y .scb - Published Scala script file / Scribble document file / AI scripting file / Supercard eBook file. y .scc - Source safe integration file. y .scf - Windows Explorer Command file / DNA Baser file / LabView tag file. y .sch - Scheme file (Animation Master). y .scr - Screen saver / AutoCAD script file y .scs - SuperTable data file. y .scm - ICQ Sound Compressed Sound Scheme file. y .sds - Open Office chart file / Star Office chart file / MIDI Sample dump file / Digital Space browser link / Smart Diary Suite database. y .sea - StuffIt file. y .sgml - Standard generalised mark-up language file. y .sh - Shell script. y .shd - Shader plugin (Animation Master). y .shn - Compressed audio file. y .shp - ArcView shapefile. y .shs - Scrap object file. y .shtml - HTML file supporting server side includes. y .shx - ArcView index file. y .sid - MrSID file. y .sif - Windows unattended install answer file. y .sis - Symbian/EPOC OS installation file. y .sit - Macintosh StuffIt archive. y .sl8 - SIMUL8 simulation file. y .slk - Symbolic link format file. y .sln - Visual Studio solution object file. y .smd - SEGA mega drive ROM file. y .smi - RealPlayer file. y .snd - Sound file. y .snp - Microsoft Access report snapshot. y .sol - Local Shared Object file (Flash). y .sos - DRS OMR decode instruction file. y .spo - SPSS output file. y .spr - Brother spreadsheet / Half-life sprite file. y .sps - SPSS syntax file / SyncBack profile file. y .sql - Structured Query Language file. y .sqm - Messenger (Software Quality Metrics) Log File / Windows Live Mail log file / Operation Flashpoint mission file. y .srd - Supercube file. y .srf - ATL Server file / InfoCrafter document / Raster graphics file / Raw graphics file / Spectral Response Function data / SurfSaver file / TerragenΠSurface map file. y .srg - Self Registration File. y .srl - Local database file / Nintendo ROM dump file. y .srt - Subtitles file. y .ssa - Source Safe archive file. y .ssf - Show Shifter File. y .ssf.00 - Show Shifter file. y .ssf.01 - Show Shifter file. y .sta - FinePrint stationary file. y .stc - Open Office Calc template file. y .std - Open Office Draw template file. y .sti - Open Office Impress template file. y .stm - Exchange store file / Server side include / Server side includes / State transition diagram / Media file. y .str - String replacement file / DataPerfect file / file. y .sts - Datapulse - CIM file. y .stw - OpenOffice Writer template file. y .stx - Santa Barbara Instrument Group file. y .sub - CloneCD sub channel data file. y .suo - Visual Studio user options file. y .svg - Scalable vector graphic file. y .svgz - Compressed scalable vector graphics file. y .svn - Subversion directory. y .switch - Secure package file. y . - Flash file. y .swp - Swap file. y .sxc - Open Office Calc file. y .sxd - Open Office Draw file. y .sxg - Open Office master document. y .sxi - Open Office Impress file. y .sxm - Open Office Math file. y .sxp - Open Office Presentation file. y .sxw - Open Office Writer document. y .syd - SYSTAT data file. y .syo - SYSTAT output file. y .sys - Windows system file. y .tab - MapInfo table structure file. y . - tape archive compressed file. y .td - Simplex database table. y .tex - Latex file. y .tfw - ArcView (Tiff) world coordinates file. y .tga - Targa bitmap. y .tgr - Tiger line file. y .th - Simplex database table header file. y .thm - Video thumbnail file. y .tif - TIFF file. y .tiff - TIFF file. y .tlb - Type library file. y .tmb - Thumbnail image file. y .tmd - Temporary file. y .tmp - Temporary file. y .tod - JVC video clip file. y .topc - TopicCrunch SEO-project parameter set. y .tp - TPwin project file. y .tpc - 3D Topicscape inter-Topicscape topic link file. y .tpl - Generic template file / PHP template file. y .trb - Turbulence plugin (Animation Master). y .tsv - Tab Separated Values file. y .ttf - True type font. y .tub - Paint Shop Pro picture file. y .tx - TX Text Control data file. y .txm - Text Control Demo file. y .txt - ASCII text file. y .ucf - User Constraint File / Coordinate list file / WebEx Universal Communications file. y .udf - Uniqueness definition file. y .udl - Data link file. y .uha - UHARC compressed archive. y .url - Internet shortcut file. y .user - Visual Studio user options file. y .usr - User profile file for GuildFTPD y .utf - Ulead Video Studio subtitle file. y .uue - UU-encoded file. y .v64 - Nintendo emulation ROM image. y .vb - Visual Basic .NET source file. y .vbproj - Visual Basic .NET project file. y .vbs - Visual Basic script file. y .vbx - Visual Basic extension. y .vcf - vCard. y .vfx - Volumetric effect plugin (Animation Master). y .vgc - ViziGen code generation template flie. y .vhd - Virtual Hard Disk file / Windows Server Backup virtual disk file. y .vic - ViziGen import mappings file. y .vip - Magix Audio Clean system project file. y .vir - Quarantined virus file. y .vm - Virtual memory file. y .vmc - Microsoft Virtual PC configuration file. y .vob - (DVD) Video Object file. y .vpc - ViziGen code generation model control file / VIPP Project Container file. y .vsd - Visio drawing file. y .vsi - Visual Studio Community Content Installer file. y .vxd - virtual . y .wab - Windows address book file. y .wav - Waveform audio file. y .wdb - Windows Works database file. y .web - FrontPage web file. y .win - Microsoft Visual FoxPro save file / Pro/ENGINEER file / Opera saved session file. y .wk1 - Lotus spreadsheet. y .wk2 - Lotus spreadsheet. y .wk3 - Lotus spreadsheet. y .wk4 - Lotus spreadsheet. y .wma - audio file. y .wmf - Graphics file. y .wmv - Audio/Video file. y .wms - Windows Media Skin definition file. y .wmz - Windows Media Skin file. y .wor - MapInfo workspace file. y .wp2 - Winplot file. y .wp3 - Windows Photo Story project file / Winplot file. y .wpd - WordPerfect file. y .wpp - Web Plus Project file / WordPerfect colour palette file / Web Part Package file. y .wps - Works word processor file. y .wpt - Brother document / Waypoints file / WordPerfect template. y .wrf- WebEx Recorded File. y .wri - Windows Write Document. y .wrl - VRML 3D file. y .wrz - VRML 3D file. y .wsf - Script host file. y .wsh - Script host file. y .wsp - Web Site Publisher settings / Paint Shop Pro file / Visual C++ Workspace information file / Word Splash Pro file / Windows SharePoint Services file / Chromeleon workspace file / Whisper 32 password file. y .wswksp - Java workspace configuration file. y .wsz - skin. y .wtv - Windows (recorded) TV file. y .wvf - Waveform data file y .wvx - Windows video playlist file. y .x - 3d mesh file / RPC language source file. y . - Vector graphics file / Excel auto-recover save file. y .xbm - X windows cursor or bitmap. y .xhtml - XHTML web page y .xif - Image file / Pagis scanned document image file. y .xlb - toolbar file. y .xlr - Microsoft Works spreadsheet. y .xls - Excel spreadsheet. y .xlsx - Excel (XML) Spreadsheet file. y .xlt - Excel template. y . - Generic XML file extension. y .xpf - Homestead SiteBuilder file. y .xpi - Cross-Platform Installer Module. y .xps - Microsoft (XML) Project File. y .xrp - RationalPlan project file / Gamemaker external resources file. y .xsd - XML schema definition file. y .xslt - Extensible Style-sheet Language Transformation file. y .xtf - eXtended Triton Format file. y .xxx - Virtual PC Temporary file. y .y - YACC source file. y .ywf - Yeah Write! word processor file. y .yxx - Bison source file. y .yz - Compressed archive. y .z80 - Sinclair Spectrum emulator file. y .z - Unix compressed file. y .zhp - Zipped PCL file. / SwiftView command file. y .zip - PKzip compressed file or archive / 7-zip compressed file / other compressed file. y .zipx - WinZip compressed file. y .zix - WixZix compressed file / Quicken data file / Caml Light debugger file. y .zmc - ZoneAlarm Mailsafe email file / Passport PC to Host Macro file. y .zno - Zinio Reader Magazine file y . - Compressed archive. y