File Format
File Format
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
AB3 Ulead Album 3.0 ABK Ulead Album ACR Dicom/ACR file format for medical images ADF ARC/INFO Binary Grid coverages ADR Arc Digitized Raster Graphics ADRG Arc Digitized Raster Graphics AEP Arc Explorer Project File AFL Fli Editor AGE ArcInfo Generate File AI Adobe Illustrator AIB ArcInfo Binary Coverage AIF Sound file, Audio Interchange Format ALB Album Ulead Photo Express ALG ERMapper Algorithms ALIAS Alias Image File ALS Alias Image File AMC Ulead ANI Animated Cursor format for Microsoft Windows ANV AirNav ARC R2V ARC file format ARC/INFO ESRI ARC/INFO Coverage ARF ARF ARS Aries (DIPIX) Image ART Art Director ART Artisan ART AFS Publisher ASC WinTopo ASCII X, Y, Z format ASC 3D Studio ASC file ASC ESRI/ARC-ASCII-GRID ASE ASCII MAX scene ATK Andrew Toolkit raster object AU Encoded Audio format used by Sun and NeXT machines AVH NOAA-AVHRR Data Format AVI Audio Video Interleaved: Video format for Windows AVS Stardent AVS X AWD At Work Document: Microsoft Fax AWG Ability Draw AWS RxAutoImage Version 97
B&W ImageLab B_W ImageLab B3D Apple Binary 3D Meta File BBM Electronic Arts, Deluxe Paint BDB MS Works Database File BFF Buttonz & Tilez button BFL Big-Fli (Pasi 'Albert' Ojala) BGA OS/2 Bitmap BGP RxAutoImage Background Format Version 2.x BGP RxAutoIcon Version 1.0 BIE JBIG BIL ESRI BIL and GeoSPOT (Band interleaved by line) multiband images BIL USGS DOQ File BIN Binary surface - Arbitrary uncompressed binary data BIN Scanntronic Pagefox/Printfox BIN Multiface II BIN Windows Draw banner BIN Terrain Base Data File BIN ETOPO5 BIP Band interleaved by pixel multiband images BLK Amiga IFF BM X11 Bitmap BMF Corel Flow BMI Zoner Bitmap BMP Windows or OS/2 Bitmap BOB Bob Raytracer BPS MS Works Document BPX Truevision Advanced Raster Graphics Adapter (TARGA) BR3 First terrain from Bryce 3D file BRC First terrain from Bryce 2 file BRUSH Xerox Doodle brush BSB BSB Chart BSQ Band Sequential Multiband Images BT Binary Terrain BUM Poser bump map BW Silicon Graphics RGB
C C, C++ file C4D Cinema 4D CAL CALS Raster Type I CAL SuperCalc Worksheet CAM Casio digital camera file CAR Neodezign CATD.DDF SDTS Catalog Directory Files CBM Fuzzy Bitmap CCG CCOGIF 2.3 CCP CalComp Plotter Format CCRF CalComp Raster Format Version 1.3 CD# Ilwis 2.x Vectors CDO USGS DEM File - Special modified DEM version for California's high resolution terrain database CDR CorelDraw! 2.0 - 9.0, preview and imported bitmaps only CDR CorelDraw! 2.0 - 9.0 CDT CorelDraw! 2.0 - 9.0 Template, preview and imported bitmaps only CE Computer Eyes Digital Vision CEL Autodesk CEL file CG4 CALS Group 4 Type 1 CGF Cartographique File CGM IGES drawing format CIM CoastWatch IMGMAP CIN Kodak Cineon CIT Intergraph CIT CLO Cloe Ray-Tracer CLOE Cloe Ray-Tracer CLP PC Paint / Pictor Page CLP Windows clipboard format CMP Discorp CMT Chinon ES-1000 digital camera CMU CMU Window Manager CMX Corel Metafile Exchange 5.0 - 9.0, preview and imported bitmaps only CMX Corel Metafile Exchange 5.0 - 6.0 COB trueSpace COT Intergraph Raster CP8 CP8 256 Grey Scale CPI Calamus CPP C++ OpenGL code CPR Corel Presentation CPT CorelDraw Photopaint image CRP Corel Presentation CST Geonav Coast File CSV Comma Separated Values CT SciTex Continuous Tone CUR Cursor Resource file format for Microsoft Windows CUR Sun Icon/Cursor CUT Dr Halo
D Helava Scanner DAT Video CD format DAT RESDEC/NASDA CEOS DAT ULEAD Texture DB Paradox database DB2 dBASE database DB3 dBASE database DBA DataEase database DBF xBase Table DBF dBASE database DBM DataEase database DCA Document Content Architecture text file - IBM DisplayWrite DCM Dicom/ACR file format for medical images DCX Multipage PCX files format DCX ZSoft DD CATD.DD File DDF SDTS Catalog Directory Files DDS DirectDraw Texture Surface DEF SmartWare data file DEM USGS DEM DGN Microstation Design File (2D only) DGN Microstation Design File DI Genamap Type 19 Input Format DIB Windows or OS/2 Bitmap DIN DataEase database DIS DKB Ray-Tracer DLG USGS Digital Line Graph DLL Generic Dynamic Link Library DLL Icon Library formats DJVU AT&T DjVu format DO DLG-O File DO2 USGS Digital Ortho Quad DOC Corel WordPerfect Document DOC Microsoft Word Document DOO Doodle DOQ USGS Digital Ortho Quad DOS ETOPO5 DOX MultiMate Document DPX Kodak Cineon DRG GeoTIFF DRI ADRI - Arc Digitized Raster Graphics DRW Anvil 1000 Format Versions 1.0, 2.0 & 3.0 DSF Micrografx Designer Windows 95, version 6.0 DSP Video Display DT0 DTED Level 0 DT1 DTED Level 1 DTD DMA DTED (CD-ROM) DTE GDE Digital Terrain Model DTE 16-bit MUSE DTED surface DTF Q & A database DVC IDRISI Vector Format DWF AutoCAD Drawing Web Format DWG AutoCAD R14 Drawing DX DEC WPS/DX format - DEC WPS Plus text format DXB AutoCAD Binary DXF DXF AutoCAD R14 Digital Exchange Format
EA Effective Address + Extended Attribute [OS/2]
EAI Enterprise Application Integration
EAR External Access Register
EARN European Academic Research Network
EAROM Electrically Alterable Read Only Memory
EARS Electronic Access to Reference Services +
Electronic Authoring and Routing System [DEC] +
Explicit Archive and Retrieval System [Langley Research]
EATA Enhanced AT Bus Attachment
EAX Environmental Audio Extensions [Creative]
EB Exabyte (1,024 petabytes)
(One Billion Billion characters of information)
EBC EISA Bus Controller
EBCT Electron Beam Computed Tomography
EBCDIC Extended Binary Coded Decimal Interchange Code [IBM]
EBI Equivalent Background Input +
Extended Background Investigation
EBNF Extended Backus-Naur Form
EBT Electronic Benefits Transfer
EC Electronic Commerce + Error Control
ECAL Enjoy Computing And Learn
ECAT Electronic Card Assembly and Test [IBM]
ECB Electronic Codebook + Event Control Block
ECC Elliptic Curve Crypto + Error Check Code +
Error Checking and Correction + Error Correction Code
ECD Enhanced Color Display + Enhanced Compact Disk
ECHO European Commission Host Organization [Internet]
ECI External Call Interface
ECL Emitter Coupled Logic
ECM Electronic Control Module
ECMA European Computer Manufacturers Association
ECNE Enterprise Certified NetWare Engineer [Novell]
ECP Enhanced/Extended Capabilities Port [Microsoft]
ECS Enhanced Chip Set
ECTL Electronic Communal Temporal Lobe
ECU EISA Configuration Utility
ED Erase Display
EDA Electronic Design Automation +
Embedded Document Architecture [Go Corporation]
EDB Embedded Database
EDC Electronic Digital Computer +
Enhanced Data Correction +
Error Detection and Correction
EDDC Extended Distance Data Cable
EDGAR Electronic Data Gathering, Analysis and Retrieval
EDI Electronic Data Interchange +
Electronic Document Interchange [DEC]
EDIF Electronic Design Interchange Format
EDIFACT EDI for Administration Commerce and Transport
EDL Edit Decision List
EDLC Ethernet Data Link Control
EDLIN Editor (Line Text)
EDMS Electronic Document Management System
EDO Extended Data Out
EDOS Enhanced DOS for Windows
EDP Electronic Data Processing
EDPM Electronic Data Processing Machine
EDRAM Eraseable/Extended Dynamic Random Access Memory
EDS Electronic Data Systems (corporation)
EDSAC * Electronic Delay Storage Automatic Computer
.EDU Educational Institutions (Domain Name) [Internet]
EDVAC * Electronic Discrete Variable Automatic Computer
(First stored-program digital computer)
EE Extended Edition [IBM]
EEC Extended Error Correction
EEG Electroencephalogram
EEL Epsilon Extension Language
EEM Extended Memory Management
EEMAC Electrical & Electronic Manufacturers of Canada
EEMS Enhanced Expanded Memory Specification
EEPROM Electrically Erasable Programmable Read-Only Memory
EES Escrow Encryption Standard
EFA Extended File Attribute
EFF Electronic Frontier Foundation
EFI Electromechanical Frequency Interference +
Electronics For Imaging
EFIGS English, French, Italian, German, Spanish
EFL Emitter Follower Logic
E-FORM Electronic Form
EFTS Electronic Funds Transfer System
EGA Enhanced Graphics Adapter
EGP Exterior Gateway Protocol
EGREP Extended Global Regular Expression Print [Unix]
EHLLAPI Emulator High Level Language Application
Programming Interface [IBM]
EIA Electronic Industries Association
EIDE Enhanced Integrated Drive Electronics
EIS Executive Information System
EISA Extended Industry Standard Architecture
EJB Enterprise JavaBeans
EL Electroluminescent (display) + Erase Line
ELAN Emulated Local Area Network
ELC Embedded Linking and Control
ELF Executable and Linking Format +
Extremely Low Frequency
ELS Entry Level System
EM Electronic Mail + Emphasized + End of Medium +
Expanded Memory
EMA Electronic Mail Association +
Enterprise Management Architecture
EMACS Editing Macros [Unix]
E-MAIL Electronic Mail
EMB Extended Memory Block [LIM/AST]
EMBARC Electronic Mail Broadcast to a Roaming Computer
[Motorola]
EMC Electromagnetic Compatibility + Enhanced Memory Chip +
E-Mail Connection + Extended Math Coprocessor
EMCC * Eckert-Mauchly Computer Company (This company, founded by
Presper Eckart and John Mauchly, who invented and built
the first UNIVAC)
EMI Electromagnetic Interference
.EML Electronic Mail (file name extension)
EMM Expanded Memory Manager
EMR Electro-Magnetic Radiation +
Enhanced Metafile Record
EMS Electronic Mail System + Electronic Message Service +
Expanded Memory Specification [LIM]
EMSAPI Extended Messaging Services Application
Programming Interface
EMWAC European Microsoft Windows NT Academic Centre
.ENC Encoded (file name extension)
ENDEC Encoder/Decoder
ENDS Ends Segment
ENIAC * Electronic Numerical Integrator Analyzer and
Computer (First fully electronic digital computer)
ENQ Enquiry
ENSS Exterior Nodal Switching Subsystem [Internet]
EOA End Of Address
EOB End Of Block
EOC End Of Conversion
EOF End Of File + Enterprise Objects Framework
[Next Computer]
EOI End Of Interrupt + End Or Identify
EOJ End Of Job
EOL End Of Line + End Of List
EOM End Of Message
EOR Exclusive OR (Also XOR)
EOS Earth Observing System [NASA] + End Of String
EOSDIS Earth Observing System Data and Information System [NASA]
EOT End Of Table + End Of Tape (marker) + End Of Text +
End Of Transmission
EP Electrophotographic Engine
EPIC Explicitly Parallel Instruction Computing
EPL Effective Privilege Level
EPLD Electrically Programmable Logic Device
EPM Enhanced Editor for Presentation Manager [IBM] +
Enterprise Process Management [IBM]
EPP Enhanced Parallel Port
EPROM Electrically Programmable Read Only Memory +
Erasable Programmable Read Only Memory
.EPS Encapsulated PostScript (file name extension)
EPSF Encapsulated PostScript Files
ERA Extended Registry Attributes
ERAS Electronic Routing and Approval System [Hughes Aircraft]
ERD Emergency Repair Disk
ERIC Educational Resources Information Center [Internet]
ERLL Enhanced Run Length Limited
ERMA * Electronic Recording Method, Accounting
[General Electric]
EROM Erasable Read Only Memory
EROS Earth Resources Observation System
[U.S. Geological Survey]
ERP Enterprise Resource Planning
ERR Error
ER/RC Extended Result/Response Code
ERU Emergency Recovery Utility [Microsoft]
ES Extra Segment
ESA Enterprise Systems Architecture [IBM] +
European Space Agency
ESC EISA System Component + Escape
ESCD Extended System Configuration Data
ESCM Extended Services Communications Manager [IBM]
ESCON Enterprise System Connection (Architecture) [IBM]
ESC/P Epson Standard Code for Printers
ESD Electronic Software Distribution +
Electrostatic Discharge
ESDI Enhanced Small/System Device Interface
ESDRAM Enhanced SDRAM
ESF Extended Superframe
ESI End System Identifier +
Enhanced Serial Interface (specification) [Hayes]
ESMR Enhanced Specialized Mobile Radio
ESN Electronic Security Number
ESP Emulation Sensing Processor +
Encapsulating Security Payload (header) +
Enhanced Serial Port [Hayes] + Enhanced Service Provider +
Estimated Selling Price
ESR Event Service Routine
ESS Electronic Switching System
ESU Electro-Static Unit
ET Enhancement Technology
ETACS Extended Total Access Communication System [IBM]
ETANN Electrically Trainable Analog Neural
Network (chip) [Intel]
ETB End of Transmission Block
ETC Electronic Toll Collection +
Enhanced Throughput Cellular (modem protocol) [AT&T]
ETF Enriched Text Format
ETOM Electron-Trapping Optical Memory
ETPL Endorsed Tempest Products List
ETS Econometric Time Series
ETX End Of Text
EU Execution Unit
EUC End User Computing + Extended Unix Code [IBM]
EUDORA (Named after author of story:
"Why I Live at the P.O.", Ms. Eudora Welty)
EUI End-User Interface
EVE Extensible VAX Editor
EVGA Extended Video Graphics Array +
Extended Video Graphics Adapter
EWAN Emulator Without A Good Name [Internet]
EWS Employee Written Software [IBM]
ExCA Exchangeable Card Architecture [Intel]
.EXE Executable (file name extension)
EXE2BIN Program used to convert an (.EXE) file to binary
format (.COM) file
EXM Enterprise Messaging Exchange [Lotus]
EXP Exponent
EXT External
EXTRN External Reference
E-ZINE Electronic Magazine
F?1 Tiger Data FAC Usenix FaceServer FACE Usenix FaceServer FAX Group 3 Facsimile Apparatus format FAX PC Research FAX (DIGIFAX) FBM Fuzzy Bitmap FCD FastCAD DOS FCW FastCAD Windows FFF Maggi Haistyle & Cosmetics FFT DisplayWrite DCA/FFT Final Form text file FIT FIT FITS Flexible Image Transport System FLC Autodesk animation format FLD Geocomp Field File FLI Autodesk animation format FLI Flexible Line Interpretation FLT Open Flight Format FLX FelixCAD Format Versions 2.0 & 3.0 FMF FaxManager FMV FrameMaker Graphics Vector & raster format through Version 6.0 FOR GRIDATB.FOR map file (TOPMODEL) FOX FoxBase File FP3 Floor Plan Plus FPX FlashPix format FTS Flexible Image Transport System FW Framework Database FW3 Framework v.3 Database
G3 Group 3 Facsimile Apparatus format G3 GTX Raster Format G3N Imaging Fax G4 GTX Raster Format GAL EasyPhoto gallery GBR Gimp Brush GD GDLib Image GD2 GDLib Image GDF IBM Graphics Data Format Version 1.0 GEM Digital Research (GEM Paint) GEM Graphics Environment Manager Metafile Bitmap & Vector GEN ArcInfo ASCII Generate file GEO GEO Files GEO Homeworld Geometry GGF Geosoft Grid File GIA VISION GINA Interchange GIF Compuserve Graphics Interchange Format GIS ERDAS Image GOULD Gould Scanner GP3 Fax GP4 Group 4 CALS Format Type I & Type II GR# Ilwis 2.x Vectors GRB HP 48/49 GROB GRD ArcInfo (ESRI) GridASCII file GREY Raw GRF Ilwis 2.x Vectors GRO HP 48/49 GROB GRS GRASS GRY Raw GTE GTB Text Import GXF GXF Version 2.00 GZ USGS 1:250K DEM compressed with GZip GZip GZIP archive
H* NLAPS Thematic Mapper BSQ HAM Amiga Interchange File Format in hardware modes (HAM) HAM PS Deluxe Paint II HD4 NCSA HDF Version 4 HDF NCSA Hierarchical Data Format HDF HDF EOS Grid HDF HDF EOS Swath HDR ESRI BIL and GeoSPOT HDR GTOPO30 Header File HDR ENVI Image Format HDR PAMAP GIS Map HEF HDF EOS Grid HEG HDF EOS Grid HES HDF EOS Swath HF rayshade Height Field HFL ESRI/ARC-BINARY-GRID HGL Hewlett Packard Graphics Language HP-GL 1 and 2, hgl, plt, hp, hp2, prt HID HIDISK HIPS HIPS Bitmap HLV Helava Scanner HMR GeoTIFF, produced by SW by HMR Inc. HP HP2 Hewlett Packard Graphics Language HP-GL 1 and 2, hgl, plt, hp, hp2, prt HPGL Hewlett Packard Graphics Language HP-GL 1 and 2, hgl, plt, hp, hp2, prt HRU HRU HRZ Slow scan television HTM HTML Hyper Text Markup Language
IAX IBM Executive ICB IOCA CCITT group 3 ICB Image Capture Board ICL Icon Library formats ICN Images from RIPTerm program ICO Gimp Icon ICO Windows Icon ICON Sun Icon/Cursor IDR IDRISI Raster IDX Image Index file IFF Amiga Interchange File Format IFF Explore (TDI) and Maya IFF Interchange File Format IFF Laser-Scan IFF Text IFF Sun TAAC file IG4 Image Systems Group 4 IGS IGES drawing format IIS IIS Vista Prism Raster ILBM Deluxe Paint, Electronic Arts IM, IMA AIM Grey Scale IMG GEM Raster image IMG ERDAS Imagine Image IMG IDRISI Raster IMG Vivid Ray-Tracer IMG IMG Software Set IMG CIS-Image INC POVray v.2.2 INF ArcInfo Table (INFO format) INT SGI Image IOB Imagine Object IRIS SGI RGB ISH Image Speeder IV Open Inventor IVB Truevision Advanced Raster Graphics Adapter (TARGA) IWA IBM Writing Assistant text file
J Joint Photographic Experts Group J6I Ricoh Digital Camera JBF PaintShop Pro image cache JBG JBIG JBIG JFF JPEG File Format, including Progressive Mode JIF JFIF Joint Photographic Experts Group JIF Jeff's Image Format JLS JPEG - LS JMX Images from a Tetris game JPG JPEG Joint Photographic Experts Group JPS JPS Stereo Image JTD Ichitaro Word Processor file JW JustWrite Text JWL JustWrite Text File Library
K25 Kodak DC25 digital camera format
KDC Kodak DC120 digital camera format
KOA Koala Paint
LAN ERDAS Image LAS LAS 5.0 LBM Amiga Interchange File Format LBM Deluxe Paint, Electronic Arts LCA Preview Only LEG Legacy Graphic Format LFF Prisms LIF Layered Image Format LIM LGSOWG Image LIN ESRI Ungenerate Line File LIP Gould LIPS LOL List of Light LSC Laser-Scan LSM Carl Zeiss laser scanning LVC NIMA DFAD LVP LView Pro LW Lightwave Object LWF LuRaWave format LWO Lightwave LWP Lotus Wordpro 96/97 File LWS Lightwave Scene LZA Self Extracting Compressed File LZH Compressed file
M11 MASS11 Text File MAC MACP Mac Paint Mac PICT Macintosh PICT format MAH ACE Map File MAP SPANS Raster Quadtree MAP Quake Map file MAT Alias Wavefront Image MAT MATLAB 1.0 floating-point format MAX 3D Studio Max Scene MAX Paperport (image) MBFAVS Stardent AVS X MBFS Stardent AVS X MBM Psion Serie 5 Bitmap MCW MacWrite II Macintosh Text File MD2 Quake 2 Model MD3 Quake 3 Model MDA Microdesign Area MDB Microsoft Access MDL Quake Model MDL HalfLife Model MDL TurboCAD 3D MDR Custom surface file format ME ME 10/30 - HP Format MEM MEM DEM MET OS/2 PM Metafile Version 3.0 MFF Atlantis MFF MGR MGR Bitmap MID Musical Instrument Digital Interface (MIDI) MIF Image Magick File MIFF Image Magick File MIF MapInfo Data Interchange Format MIL CALS Raster Type I MMP MapSheets Map Files MNG Multiple Network Graphics MOV QuickTime Movie format MP3 MPEG audio layer 3 format MPA Ilwis 2.x Polygons MPG Moving Pictures Experts Group format MPEG Moving Pictures Experts Group format MPNT Mac Paint MPP Ilwis 2.x Points MPR Ilwis 2.x Raster MPS Ilwis 2.x Vectors MRF Marks Russel File MSG Microsoft Outlook Mail format (text only) MSP Microsoft Paint MTS Metasream 3D file MTV MTV Raytracer MVG Magick Vector Graphics
NB Nota Bene Text File NDF NLAPS Data Format NDO Nendo file NEF Nikon D1 camera (thumbnail) NEO Neochrome (ST and TT) NES USGS DOQ File NET Arc/Info Ungenerate TIN NFF World Toolkit NGG Nokkia Group Graphics NITF National Imagery Transmission Format NLM Nokia Logo file NOL Nokkia Operator Logo NPM Neopaint Mask NTF NTF 2.0 NTF National Imagery Transmission Format; NTF Address Point; NTF BaseData.GB; NTF Boundary Line; NTF Contours; NTF Land-Line; NTF Meridian; NTF Oscar; NTF Strategi NTX Binary NTX File NWS USGS DOQ File
OBJ Socet Set Annotation OBJ Wavefront File OBJF Stripe .objf file OCP Advanced Art Studio OCT HF Lab Import OFF Object File Format OFX OLIFAX fax package OPT DLG-O File ORB ORBIMAGE SeaWiFS Data Format ORG 8BIM OTB Nokia bitmap (74x12)
P7 XV Visual Schnauzer PAC Stad PAINT Mac Paint PAN SmoothMove Pan Viewer, preview only PAT Gimp Pattern PAT Paint Shop Pro Pattern PAT CorelDraw! 6.0 - 9.0 patterns, preview only PBITM PalmPilot bitmap PBM Portable Bitmap File format PC1 Degas and Degas Elite PC2 Degas and Degas Elite PC3 Degas and Degas Elite PCA Picmaster catalog PCC PC Paintbrush format from ZSoft Corporation PCD Kodak PhotoCD - Base/16, Base/4 and Base only PCL Page Control Language PCT Mackintosk Quickdraw/Pict PCX PC Paintbrush format from ZSoft Corporation PDB Palm Pilot PDB TealPaint PDF Portable Document Format PDX Mayura draw PDX Paradox File PE4 Ulead Photo Express PEO Homeworld Geometry PFC First Choice Text File PFR PaintShop Pro frame PFS Professional Plan Version 1.0 PGM Portable Greymap File format PGM 16 bit PGM File Format PHP Adobe PhotoParade PI1 Atari Degas PI2 Atari Degas and Degas Elite PI3 Atari Degas and Degas Elite PI4, PI5, PI6 Atari Degas and Degas Elite PIC Advanced Art Studio PIC Bio-Rad Confocal PIC CADdy Format PIC Dr. Halo/Dr. Genius PIC, PICT, PICT1, PICT2 Mackintosh Quickdraw/Pict PIC PC Paint / Pictor Page PIC, PICIO Pixar Picture File PIC Psion Series 3 Bitmap PIC Radiance Image PIC RayShade PIC Softimage PIC Stad PIF IBM Picture Interchange Format Version 1.0 PIX PCIDSK PIX Alias Wavefront Image File PIX Truevision Advanced Raster Graphics Adapter (TARGA) PIXAR Pixar Picture File PLT Geosoft Neutral Plot File PLT Hewlett Packard Graphic Language (HPGL) Plot File PM PM PM X11 Bitmap PMS Alice Soft PMP Sony DSC-F1 Cyber-Shot PNG Portable Network Graphics PNM Portable Image PNT Point File PNT, PNTG Mac Paint POL ESRI Ungenerate Polygon File POT Fractint file POV POV Files PP4 Micrografx Picture Publisher 4.0 PP5 Micrografx Picture Publisher 5.0 PPF Micrografx Picture Publisher 6.0 PPM Portable Pixelmap format PPP Punk Productions Picture PPS PowerPoint Show (images) PPT PowerPoint Presentation PR Sun Icon/Cursor PRC PalmPilot program PRE Freelance Presentation PRN Postscript Print File PRI Prisms PRJ 3D Studio Project PRO Power Render Object PRS Harvard Graphics Presentation PRT Hewlett Packard Graphics Language HP-GL 1 and 2, hgl, plt, hp, hp2, prt PRT CadKey Part Format Versions 4.0, 5.0, 6.0 & 7.0 PS, PS2, PS3 Postscript File PSD Adobe Photoshop format PSL RxSpotlight Version 2.x PSP Paint Shop Pro file format PTIFF Pyramid encoded TIFF PTS Geocomp Points File PTS XYZ Points File PWP Seattle Film Works Multiple Image PXB Pixibox PXR Pixar Picture File PYX Old Epson scanner format PZP MGI PhotoSuite project
Q4 XLD4 QDV QDV (Random Dot Software) QFX Quick Link II Fax file format QRT QRT Raytracer QT2 Quick card QTIF QuickTime image format QTL YUV 16 Bits QTL YUV 16 Bits Interleaved QTL YUV 4:1:1 QTL YUV 4:2:2 QTL YUV 4:4:4
RA Real Audio sound format RAD radiance RAR Compressed Archive RAS,RAST Sun Raster format RAW Raw Image (user defined) RAW Raw RAX Extended RAW triangles RB1, RB2, RB3, RBF, R:BASE Data File RD4 Ray Dream Studio 4.1 triangles RDC IDRISI Raster RDX Reflex Database REF GTX RasterCAD Hybrid Format Versions 2.0, 2.5 & 4.x RES CAD-Overlay Format Versions RLCII, IG4 & TIFF RFT IBM DisplayWrite Revisable Format Text RGB Intergraph Raster RGB Silicon Graphics RGB RGBA Silicon Graphics RGB RGH ZZ Rough RIX ColoRix RL4, RL8 Windows Bitmap RLA, RLB Wavefront Raster File RLC IMPELL RLC (Run-length compressed) files RLC Image Systems RLC2 Graphic RLC Run Length Coding Raster Image Format RLE Windows or OS/2 Bitmap RLE Utah Raster Image RLE Compressed Images in SGI File Format RLE Compressed Intergraph Raster images, bilevel only RMI Musical Instrument Digital Interface (MIDI) RML Redline XML RND AutoShade Rendering File Format Version 2.0 RNH SPANS Raster RNL GTX Raster Format RPBM Portable Image RPGM Portable Image RPNM Portable Image RPPM Portable Image RS Sun Rasterfiles - *.rs, *.ras; *.sun RST RST ASCII format RTF Microsoft Rich Text Format RWX Modular Ground Objects RXD Reflex Database
SAM Ami ProText Documents (images in) SAT ACIS 3D - Spatial Technology Inc., 3D Solid Modeling file format SC# Ilwis 2.x Vectors SC? ColoRix SC2 MSX 2 Screen SCI ColoRix SCN TrueSpace Scene SCR Sun Rasterfile SCR Z80 Screen Dump SCT SciTex Continuous Tone SD0, SD1, SD2 Dali Raw SDD Screen Capture PC Spy SDG Start Office SDL Mapguide SDL file SDW AmiDraw SEP CMYK Separated Images in TIFF 6.0 File Format SEQ Stad SES USGS DOQ File SFW Seattle Film Works format SG# Ilwis 2.x Vectors SGI Silicon Graphics RGB SHP ESRI ArcView Shape File SHS Scrap Image SHW Corel Presentation SI Softimage SID MrSID Image Document SIM Aurora SIR Solitaire Image Recorder SIT Spectrum SJ1 Sega SJ-1 DIGIO SKB ZAP skin SLD AutoCAD slide SMP Ulead Gallery SMPL Megahedron SMT SmartWare text file SNA Z80 Spectrum Snapshot SND Encoded Audio format used by Sun and NeXT machines SP Spectrum (VGASPEC) SPC Spectrum 512 (compressed) SPS Canadian SPOTSAR SPS Spectrum 512 (smooshed) SPU Spectrum 512 SPV SpotView 4.0 SPX SPX file SQD Siemens SICAD SR, SRS Sun Rasterfile SSD SnagIt Studio Document SSF Enable Spreadsheet File SSI Generic Socet Set Image Format ST NeoPaint for DOS thumbnails ST4 SBIG CCD Camera ST-4 ST4, ST5, ST6, ST7, ST8 SBIG CCD Camera ST-X STL Stereo Lithography Files STR Geocomp Spatial Data System STW NeoPaint for Windows thumbnails STX SBIG CCD Camera ST-X SUL GFA Raytrace SUN Sun Rasterfiles - *.rs, *.ras; *.sun SUNIFF Sun TAAC file SVF ShapeViz File SVG Scalable Vector Graphics SW SmartWare spreadsheet SWF Macromedia's Flash/Shockwave format SWS USGS DOQ File SY1 Synthetic SYN, SYNU Synthetic Universe SYS Windows Bitmap
TAB Tape Automated Bonding
TACS Total Access Communication System
TAD Telephone Answering Device
TAP Telelocator Alphanumeric Protocol
TAPCIS The Access Program for the CompuServe
Information Service
TAPI Telephony Applications Programming Interface
.tar Tape Archive (archived file name extension) [Unix]
.tar.Z Compressed Archived files (file name extension) [Unix]
TAS Telephone Access Server
TASM Turbo Assembler [Borland]
TAXI Transparent Asynchronous Transceiver/Receiver Interface
TB Terabyte (1,024 gigabytes)
(One Thousand Billion characters of information)
T/B Top and Bottom
TBBS The Bread Board System (BBS)
TBGA Tape Ball Grid Array
.TBK Toolbook (file name extension)
TBU Tape Backup Unit
TC Test Control + Transmission Control
TCL Tool Command Language
TCM Trellis-Coded Modulation
TCO Total Cost of Ownership
TCP Tape-Carrier Package
TCP/IP Transmission Control Protocol/Internet Protocol
TD Transmit Data
TDC Tabular Data Control
TDD Telecommunications Device for the Deaf
TDtoDP Tablet Coordinates to Display Coordinates
(converting)
TDE Terminal Display Editor
.TDF Trace Definition File (file name extension) [OS/2] +
Typeface Definition File (file name extension)
TDI Transport Device Interface
TDM Technical Document Management +
Time Division Multiplexing
TDMA Time Division Multiple Access
TDMS Terminal Display Management System
TDP Tag Distribution Protocol [Cisco] +
Telelocator Data Protocol
TDSR Transmitter Data Service Request
TDR Time Domain Reflectometry
TE/2 Terminal Emulator/2 [Oberon]
TEB Thread Environment Block
TEC Tokyo Electronics Corporation
TED Tiny Editor
TEI Terminal Endpoint Identifier
TELCO Telephone Company
TEML Turbo Editor Macro Language [Borland]
TEMP Temporary
TER Thermal Eclipse Reading [Sony]
TERMPWR Terminator Power
TFDD Text File Device Driver
TFEL Thin-Film Electroluminescent
.TFM Tagged Font Metric (file name extension)
TFT Thin-Film Transistor (screens)
TFTP Trivial File Transfer Protocol
THD Total Harmonic Distortion
.THD Thread (file name extension)
THOMAS The (U.S.) House (of Representatives) Open Multimedia
Access System
THOR Tandy High-Performance Optical Recording
THR Transmit Holding Register
.THS Thesaurus (file name extension)
TI Texas Instruments, Inc.
TIA Telecommunications Industry Association +
The Internet Adapter [Internet]
TID Target ID
TIES Time Independent Escape Sequence
.TIF Tagged Image File (filename extension)
TIFF Tagged Image File Format
TIGA Texas Instruments Graphics Architecture
TIGER Topologically Integrated Geographic Encoding
and Referencing
TIIAP Telecommunications and Information Infrastructure
Assistance Program [NII]
TIM Technical Information Memo [Compaq]
TIMEZONES - - - - - - - - - - - - - - - - - GMT Offsets
Offsets Eastward from GMT (+)
Offsets Westward from GMT (-)
AST - Atlantic Standard Time -4:00
AT - Azores Time -2:00
AHD - Alaska-Hawaii Daylight :::
AHS - Alaska-Hawaii Standard -10:00
BLT - Baghdad Local Time +3:00
BST - British Summer Time :::
CAT - Central Alaska Time -10:00
CCT - China Coast Time +8:00
CDT - Central Daylight Time :::
CET - Central European Time +1:00
CLT - Cairo Local Time +2:00
CST - Central Standard Time -6:00
EAD - East Australian Daylight :::
EAS - East Australian Standard +10:00
EDT - Eastern Daylight Time :::
EET - Eastern European Time +1:00
EMT - Eastern Mediterranean +2:00
EST - Eastern Standard Time -5:00
GMT - Greenwich Mean Time +0:00
HST - Hawaii Standard Time -10:00
JST - Japanese Standard Time +9:00
MDT - Mountain Daylight Time :::
MET - Middle European Time +1:00
MST - Mountain Standard Time -7:00
MTS - Moscow Time Standard +3:00
MTD - Moscow Time Daylight :::
NT - Nome Time -11:00
NZT - New Zealand Time +12:00
PDT - Pacific Daylight Time :::
PST - Pacific Standard Time -8:00
PST - Pakistan Standard Time +5:00
WAS - West Australian Standard +7:00
WAT - West Africa Time -1:00
WED - Western Europe Daylight :::
WES - Western Europe Standard +0:00
YDT - Yukon Daylight Time :::
YST - Yukon Standard Time -9:00
IDLE- International Date Line East +12:00
IDLW- International Date Line West -12:00
TIMI Technology Independent Machine Interface [IBM]
TIMS Text Information Management Systems
TINA Telecommunication Information Networking Architecture
TIP Terminal Interface Processor +
Transaction Internet Protocol
TITOFET Tunneling-In, Tunneling-Out Field Effect Transistor
TK/TK Track to Track
TLA Three-Letter Acronym
TLB Translation Lookaside Buffer
.TLB Table (file name extension)
TLD Top Level Domain
TLI Transport Layer Interface
TLS Transport Layer Security
TLU Table Lookup
.TLX Telex (file name extension)
TM Trademark
TMDS Transition Minimized Differential Signaling
.TML Template (file name extension)
TMP Temporary
TN Twisted Nematic
TNC Terminal Node Controller
TNO The Netherlands Organization
ToC Table Of Contents
TOD Time Of Day
TOP Technical and Office Protocol
TPC Transaction-Processing Performance Council
TPF Transactions Processing Facility [IBM]
TPI Tracks Per Inch
TPL Table Producing Language +
Transaction Processing Language
TPM Transactions Per Minute
TPORT Twisted Pair Port Transceiver [AT&T]
TPS Transactions Per Second +
Transaction Processing System
TPW Turbo Pascal for Windows
TQFP Thin Quad Flat Pack
TQM Total Quality Management
TR Terminal Ready
T/R Transmit/Receive
TRACERT Trace Route [Microsoft]
TRADIC * Transistorized Airborne Digital Computer
(Name of first computer to be entirely
transistorized)
.TRM Terminal (file name extension)
TRN Threaded Read News [Internet] + Token Ring Network
TRON The Real-Time Operating System Nucleus
TS Top Secret
TSA Target Service Agent + Technical Support Alliance +
Telephony Services Architecture
TSAPI Telephony Services Application Program
Interface [AT&T + Novell]
TSB Termination Status Block
TSD Type-Specific Driver
TSE The Semware Editor
TSO Time Sharing Option
TSP Telephony Service Provider
TSR Terminate and Stay Resident
TSS Task State Segment + Time Sharing System
TS/SI Top Secret/Sensitive Information
.TST Test (file name extension)
TSTN Triple Supertwisted Nematic
TSV Tab Separated Values
TT Typewriter Text
TTA Transport-Triggered Architecture
TTCN Tree and Tabular Combined Notation
.TTF TrueType Font (file name extension)
TTL Transistor-Transistor Logic
TTP Thermal-Transfer Printing
TTS Text-To-Speech + Transaction Tracking System
TTY Teletype
TUCOWS The Ultimate Collection of Winsock Software
TUI Text-Based User Interface [WordPerfect]
TUMS Table Update and Management System [Stanford University]
.TUT Tutorial (file name extension)
TVF Table of contents Verbosely from File [UNIX]
TVFS Toronto Virtual File System [IBM]
TVI Television Interference
TVOL Television On-Line
TWAIN Technology Without Any Interesting Name
(connection between application and scanner software)
TWX Teletypewriter Exchange Service
TXD Transmit Data
.TXF Tax Exchange Format (file name extension)
TXT Text
TXT2STF Text To Structured File [Lotus Agenda]
TZ Time Zone [Unix]
UDI UDI file UFO Ulead File for Object UKO UK Offshore Operators Association (OKOOA) P1/90 Data File UNI UNIDSK UPX Ulead Photo eXtension URL WWW URL References URT Utah raster image UUE UUEncoded file UYVY YUV 16 Bits UYVY YUV 16 Bits Interleaved
VBM ACE-128/64 VC4 RxVectory Vector Format rev 4 Vector Format rev 4 VC5 RxSpotlight V5.0 Vector Format vCard Electronic Business Card Versit Version 2.1 VCR Video Image Communication And Retrieval (Vicar) VDA Video Display Adapter VEC Data Design Systems Format VEH SPANS ASCII Vectors VFF Sun TAAC file VGA Windows Bitmap VIC, VICAR VICAR VID YUC 12C M-Motion Video Frame VIF, VIFF Khoros Visualizaion Image File VIT VITec VPB Quantel VPB VQ HIBR Hyperspectral Image VRL WWW URL References VRML Virtual Reality Modelling Language VSD Visio drawing (flow chart or schematic) VST Vista VSW Visio Workspace file VT, VTE VTree File VTX SPANS Internal Vectors
WAV Windows audio file WB1, WB2, WB3 QuattroPro for Windows WBMP Wireless Bitmap (level 0) WKS MS Works Spreadsheet WMF Windows Metafile format WMP WorldMap WOR MapInfo Workspace WP, WP4, WP5, WP6, WPD Corel WordPerfect Document WPF Enable Document WPG, WPG2 Corel WordPerfect Graphics WPL DEC WPS Plus WRI Microsoft Write Document WRL VRML2 WS RxSpotlight Workspace Versions 5.x & 97
XA Extended Architecture + Extended Attribute XAPIA X.400 Application Program Interface Association X2B Hexadecimal to Binary [REXX] .XBM X-Windows Bitmaps (file name extension) (black and white) .XPM X-Windows Pixelmaps (file name extension) (color) X2C Hexadecimal to Character [REXX] XCHG Exchange XCMD External Command XCOPY Extended Copy X2D Hexadecimal to Decimal [REXX] XDF Extended Density Format [IBM] XDR Extended/External Data Representation XFCN External Function XGA Extended Graphics Array [IBM] XID Exchange Identifier XIOS Extended Input/Output System .XLA Add-In (file name extension) [Microsoft-Excel] XLAT Translate XLF Exceptional Fortran [IBM] .XLK Backup (file name extension) [Microsoft-Excel] XLL Extensible Link Language XLM Excel Macro Language [Microsoft] .XLT Template (file name extension) [Microsoft-Excel] XMIT Transmit XML Extensible Markup Language .ebXML Electronic Business XML XMM Extended Memory Manager [LIM/AST] XMS Extended Memory Specification [LIM/AST] XNS Xerox Network System (protocol) [Xerox] XOFF Transmitter Off XON Transmitter On XOR Exclusive OR (Also EOR) XPRM Xerox Print Resources Manager [Xerox] XRT Extensions for Real-Time XSL Extensible Style Language XSMD Extended Storage Module Drive (interface) XSSI Extended Server Side Includes XTAL Crystal XTCLK External Transmit Clock
YUV YUV 16 Bits YUV YUV 16 Bits Interleaved YUV YUV 4:1:1 YUV YUV 4:2:2 YUV YUV 4:4:4
Z ASCII Height values: LRD, LRU, UDR, DUR, RLD Z80 Zx 80 snapshot ZBR Zebra Metafile Preview ZIP Compressed Archive ZMF Zoner Metafile, preview only ZX Commodore Amiga
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