Webopedia: Data Formats and Their File Extensions

.s Assembly source code file (unix) Scheme source code file .s$$ Temporary sort file (Sprint) .s3m Music (16 channels) (Scream Tracker 3.0) .sac Shared Asset Catalog (Adobe) .saf MusicMatch Jukebox Secure Audio file Safe File Encryption (Helix Software) Twelve Ghosts file .sah SETI@Home data file .sal Datafile (SORITEC) .sam Text file (Samna - Lotus Ami/Ami Pro) .sar Compressed file archive created by SAR (sar1.zip) .sas SAS System program .sas7bcat SAS System file catalog .sas7bdat SAS System data set .sas7bndx SAS System index .sas7bpgm SAS System Stored Program .sas7bvew SAS Data Set View .sas7mdb SAS System multidimensional database .sav Backup file (saved file) Configuration Saved game situation (eg. NetHack) .sb Audio file (signed byte) .sbc Sagebrush Corporation Spectrum CIRC/CAT Report .sbd Storyboard (Storyboard Editor) .sbi Sound Blaster Instrument file (Creative Labs) .sbn ArcView file (GIS) .sbp Dml program (Superbase 4) .sbr Support file (Source Browser) .sbs SWAT HRU Output file .sbt Notes related to record (Suberbase 4 Windows) .sbx ArcView file (GIS) .sc Pal script (Paradox) Display driver (Framework II) .sc3 Renamed dBASE III screen mask file (dBASE IV) Screen device driver (Harvard Graphics 3.0) .sca Datafile (SCA) .scc Text file .scd Scodl Scan Conversion Object Description Language graphics .scf Multimedia show (ScoreMaker) Spelling checker configuration (Symphony) Windows Explorer command file .sch Project schedule (Schedule Publisher) Schematics file (ORCAD) .sci System Configuration Information Fax (SciFax) .scm Scheme source code file SchematicMaker file .scn Screen file (Kermit) .sco High score .scp Script (BITCOM) .scr Debug source code file (DOS Debug) Screen - screen snapshot (dBASE IV - Procomm Plus) Screen font (LocoScript) Screen saver (Windows 3.x) Script (Kermit - 1st Reader) .sct Screen memo (FoxPro) Windows Script Component .scx Bitmap graphics (ColorRIX) Chart (Stanford Chart) Screen (FoxPro) .scy Security file (ReaGeniX) .sda Fidonet's Software Distribution Network file archive description .sdc StarOffice Spreadsheet .sdd StarOffice Presentation .sdf System Data Format file (fixed lenght ASCII text) .sdi Software Distribution Network Info file .sdn Software Distribution Network compressd file archive (pak251.exe) .sdr SmartDraw file .sdt SmartDraw Template Dungeon Keeper 2 Archive Theme Park World Archive .sdu Edwards Systems Technology file .sdw StarOffice Text Raw Signed DWord Data Lotus WordPro Graphic .sea Self-Extracting compressed Macintosh file Archive .sec CyberPaint animation file (sequence) Secret key ring file (Pretty Good Privacy RSA System) Secured animation file (Disney Animation Studio) .sep Printer separator page .seq Atari animation file Sequential Instruction File (Bubble Chamber) .ses Session info (Clarion Modula-2) .set Configuration (1st Reader) Driver sets created by Install (Symphony) Setup options file .sf Ircam Sound File (CSound package - MixView sound sample editor) Wps attribute storage (OS/2 WorkPlace Shell) wp_root.sf .sff Fritz Fax-Print file Stage Scene file Structured Fax Format .sfi Graphics (SIS Framegrabber) Printer font (HP LaserJet landscape) (Ventura Publisher) .sfl Pcl 4 bitmap font (landscape) (Intellifont) (Ventura Publisher) .sfn Font (SPX) .sfp Pcl 4 bitmap font (portrait) (Intellifont) (Ventura Publisher) .sfs Pcl 5 scalable font file (Intellifont) .sft Screen font (ChiWriter) .sfv QuickSFV/WinSFV Checksum file Simple File Verification (Easy SFV Creator) .sfw Seattle Film Works file .sg1 Graphics (Stanford Graphics) .sgf Document with graphics (Starwriter) Smart Game Format Sonique Skin .sgi Graphics (IRIS - Silicon Graphics) .sgm Run-Time Help Files Structured Generalized Markup SoftQuad XMetaL File .sgn Sierra Print Artist Sign .sgp Statistics (STATGRAPHICS Plus) .sgt Save/get keyboard macro (Signature) .sh Unix shell script Unix ASCII file archive created by SHAR (unshar.zip) .sh3 Presentation (Harvard Graphics 3.0) .shb Background (CorelShow) .shd Print Spooler Shadow file .shg Segmented-graphics bitmap .shk Compressed Apple II file archive created by SHRINKIT .shm Shell macro (WordPerfect Library) .shn Shorten audio compression file .shp Shape file and source file for text fonts (AutoCAD) .shr Unix ASCII file archive created by SHAR (unshar.zip) .shs Microsoft Word or Excel scrap file which is created when you drag and drop selected text .shtml HTML File with Server Side
.shw Presentation (Harvard Graphics 2.0 - CorelShow) Slide show (WordPerfect Presentations) .shx Shape entities (AutoCAD) .sid Commodore64 Music file LizardTech MrSID Photo .sif Setup Installation Files info (Windows NT Setup) .sig Current program settings (Signature) PrintShop Sign file Signature file (PopMail) .sik Backup file (Sicherungskopie) (MS Word) .sim Aurora PC Finder 2002C PowerDVD file Simulation (various) .sis SymbianOS Installer file .sit Compressed Macintosh archive created by STUFFIT (unsit30.zip) .skb SketchUp software file (3D Design Tool) .skf Autosketch file .skn Interface skins images (FileWrangler, SecurDesk!, SecurDesk! LV, ZipWrangler) .skp Sketchup software component (3D Design Tool) .sl S-Lang source code file .slb Slide library (AutoCAD) .slc Compiled SALT script (Telix) .sld Slide (AutoCAD) .sli Slide (MAGICorp Slide Service) .slk Sylk Symbolic Link format data file (MultiPlan) .sll Sound data file .sln Microsoft Visual Studio Solution file .slt Salt Script Application Language for Telix script source (Telix) .sm Smalltalk source code file Maillist (SoftSpoken Mailer) Script (ScriptMaker) Text file (Samna Word) .smc Super Nintendo Game-console ROM Image .smd StarOffice Mail .smf Fax (SMARTFAX) .smi RealPlay SMIL file Self Mounting Image file .smk Compressed File (Smacker) .smm Macro (Ami Pro) .smp Sample (sound file) .sms Microsoft Package Definition file Sega Master System Emulator .smt Text file (Smart Ware II) .snd Digitized sound file (Macintosh/ATARI/PC) .sng Song (midi sound) (Midisoft Studio - Prism) .snm Netscape mail .sno Snobol4 source code file .snp CoffeeCup HTML Editor Snippet Computer Eyes Video Output Microsoft Access Snapshop Snapview Shapshot .snx Mirage Microdrive Snapshot Extended Version Second Nature Software Graphic StarCraft Saved file .sol Solution eg. game walkthroughs .som Network serial numbers (Quattro Pro) Sort information (Paradox) .son Song (SBStudio II) .sou Sound data (sound tool) .sp Compressed file archive created by SPLINT (unix) .spa Macromedia FutureSplash file Smart Protocol Analyzer Real Time Communication Data SmartPA Saved Capture file Thermo Nicolet OMNIC file .spc Program (MS Multiplan) Temporary file (WordPerfect for Win) Super Nintendo SPC700 sound file .spd Scalable font (Speedo) (Harvard Graphics 3.0) .spf Slide presentation file (EnerGraphics) .spg Glossary (Sprint) .spi Graphics (Siemens and Philips scanner) .spi InConSoft Ltd. Sim-Path system files .spl Compressed file archive created by SPLINT (splint.arc) Customized printer driver (Sprint) Personal spell dictionary (Signature) Print spooling file (Windows 3.x) Sample .spm Data (WordPerfect) wp{wp}.spm .spo Statistical Program (SPSS) .spp Printer file (Sprint) .spr Document letter (Sprint) Genarated screen program (FoxPro) Sprite .sps Spssx source code file (VAX/VMS) Screen driver (Sprint) .spt Spitbol source code file Support file (MITAC disk/system management utility pack) .spv InConSoft Ltd Sim-Path vehicle file .spw Worksheet (SigmaPlot) .spx Compiled screen program (FoxPro) .sql SQL report or query .sqm Logfile for Windows Live Messenger .sqz Compressed file archive created by SQUEEZE (sqz1083e.exe) .src Source (DataFlex) .srf Sun Raster File graphics .srp Script (QuickLink) .srt BSplayer Subtitle file Omron CX-Supervisor SDR99 Speech Recognition Task Speech Recogniser Transcript .ss Bitmap graphics (Splash) .ssa Subtitles .ssb SmartSync Pro .ssd Datafile (SAS/PC) .ssf Enable Spreadsheet file .ssm RealPlayer Standard Streaming Metafile .ssp Datafile (SAS Transport) .st Smalltalk source code file (Little Smalltalk) Instrument library (Scream Tracker) Stamp (NeoPaint) .st3 MIDI Karaoke file .sta Saved state (Reflection 4.0) Stack (Spinmaker Plus) .stb Stub library (Genus GX Kernel) .std State Transition Diagram graphic file (Prosa) Standard (something..) (LocoScript) .stf Compressed file archive created by SHRINKTOFIT .stg ActiveSync (Microsoft) Statistica Graphics File .stl C++ Standard Template Library .stm State Transition Diagram model file (Prosa) Music (Scream Tracker) .stn ArcView Geocoding Standardization file STiNG file .sto Pascal stub OBJ file (Genus GX Kernel) .stp PageKeeper Packed Storage file DART Pro 98 system settings AP203 Step file .str Structure list object file (dBASE Application Generator) .sts Project status info (MS C/C++) Song format (Scream Tracker) .stt Automap Template SureThing CD Labeler Template file .stu Tarantella Enterprise 3 3270 Emulator Style file xyALGEBRA file .stw Data file (SmartTerm for Windows) .stx Electronic book (SmarText) Tax form (CA-Simply Tax) .sty Style library or sheet (many text and graphics programs) .sub CloneCd related file .sui Suit library (Simple User Interface Toolkit) .sum Summary .sun Sun rasterfile graphics .sup Supplementary dictionary (WordPerfect for Win) .sv4 RollerCoaster Tycoon Saved Game .svd Autosave file for document (MS Word) .svg Autosave file for glossary (MS Word) .svp WISCO Survey Power Sonique Visual Plugin file SwiftView Command file .svs Autosave file for style sheet (MS Word) .sw Audio file (signed word) .swd Storybook file Sabiston Textbook .swf ShockWave Flash object .swg Swag packet (SWAG Reader) .swi Swish Data file .swk Swapkeys Keyboard File .swp Document backup (Sprint) Swap file (DOS) .sxw OpenOffice.org Writer 6.0 text file Staroffice Word Document .sy1 Smartpix symbol library (Ami Pro) .sy3 Symbol file (Harvard Graphics 3.0) .syd Backup of startup files created by QEMM (?) autoexec.syd .sym Precompiled headers (Borland C++) Program symbol table (many compilers and linkers) Symbol file (Harvard Graphics 2.0) .syn Sdsc Synu image file (SDSC Image Tool) Synonym file (MS Word 5) .sys Datafile (SYGRAPH - SYSTAT - SPSS/PC) System file - device driver or hardware configuration info (DOS) .syw Graphics symbols (Harvard Graphics Win) .szc windows Mobile 5 (Pocket PC)

Data Formats and Their File Extensions -- S