List of file formats

• ?Q? – files that are compressed, often by the SQ program. • 7z – 7-zip compressed file • ACE – ace: ACE compressed file • ALZ – ALZip compressed file • ARC – pre-Zip data compression • ARJ – ARJ compressed file • BZ2 – bzip2 • CAB – A cabinet file is a library of compressed files stored as one file. Cabinet files are used to organize installation files that are copied to the user's system. • CPT, SEA – Compact Pro (Macintosh) • EGG – Alzip Egg Edition compressed file • EGT – EGT Universal Document also used to create compressed cabinet files, replaces .ecab • ECAB, EZIP – EGT Compressed Folder used in advanced systems to compress entire system folders, replaced by EGT Universal Document • ESS – EGT SmartSense File, detects files compressed using the EGT compression system. • FLIPCHART – Used in Promethean Flipchart Software. • FUN – A FUN file often will be a file that has been encrypted by Jigsaw ransomware, which is malware distributed by cybercriminals; it contains a file, such as a .JPG, .DOCX, .XLSX, .MP4, or .CSV file, that has been renamed and encrypted by the virus. • GZ – gzip Compressed file • G3FC – Zstd based file container with support for encryption and FEC • JAR – A Java application in a ZIP file based format • LAWRENCE – LBR Lawrence Compiler Type file • LBR – LBR Library file • LZH – LHA Lempel, Ziv, Huffman • LZ – lzip Compressed file • LZO – lzo • LZMA – lzma Lempel–Ziv–Markov chain algorithm compressed file • LZX – LZX • MBW – MBRWizard archive • MCADDON – Plugin for Minecraft Bedrock • BIN – BIN MacBinary • OAR – OAR: OAR archive • PAK – Enhanced type of .ARC archive • PAR, PAR2 – PAR Parchive • PAF – PAF Portable Application File • PEA – PEA PeaZip archive file • PKG - A package format that bundles installation files for software on macOS and PlayStation. • PYK – PYK compressed file • RAR – Rar Archive, for multiple file archive (rar to .r01–.r99 to .s01, and so on) • RaX – Archive file created by RaX • SITX – SIT StuffIt (Macintosh) • TAR – A group of files packaged as one file • WAX – Wavexpress – A ZIP alternative optimized for packages containing video, allowing multiple packaged files to be all-or-none delivered with near-instantaneous unpacking via NTFS file system manipulation. • XZ – xz compressed files, based on LZMA/LZMA2 algorithm • Z – Unix compress file • ZOO – Archival format based on LZW • ZIP – A popular compression format Application packages • AAB – An Android App Bundle, which is the Android (and Android TV) application publishing format (required by Google Play) taking over from APK • APK – An Android package, or an applications installable on Android (also installable in derivatives and e.g. Windows 11); also a package format of the Alpine Linux distribution • APPX – Microsoft Application Package • APP – HarmonyOS APP Packs file format for HarmonyOS apps installable from AppGallery and third party OpenHarmony based app distribution stores • DMG – Application file on Macintosh devices; used by all third-party apps and some direct Apple Inc. applications • DEB – Debian install package • HPKG – Haiku application package format • IPG – Format in which Apple Inc. packages their iPod games; can be extracted through WinRAR (and other file archivers) • MSI – Windows installation file • RPM – Red Hat package/installer for Fedora, RHEL, and similar systems • SIS, SISX – Symbian Application Packages • XAP – Windows Phone Application Package Physical recordable media archiving • ADF – Amiga floppy disks archive • ADZ – GZip-compressed version of ADF • B5T – BlindWrite 5 image file • B6T – BlindWrite 6 image file • BWT – BlindWrite 4 image file • BIN – Raw binary format, often paired with CUE • CDI – DiscJuggler image file • CUE – CDRWrite CUE image file • CIF – Easy CD Creator .cif format • C2D – Roxio-WinOnCD .c2d format • DAA – PowerISO .daa format • D64 – Commodore 64 floppy disk archive • DAA – Closed-format, Windows-only compressed disk image • DMG – Macintosh disk image files • DMS – a disk-archiving system native to the Amiga • DSK – For archiving floppy disks from a number of other platforms, including the ZX Spectrum and Amstrad CPC. • ESD – Electronic Software Distribution, a compressed and encrypted WIM File • FFPPKG – FreeFire Profile Export Package • GHO, GHS – GHO Norton Ghost • IMG – Raw disk image, for archiving DOS formatted floppy disks, hard drives, and larger optical media • ISO – Generic format for most optical media, including CD-ROM, DVD-ROM, Blu-ray, HD DVD, and UMD • MDS – Daemon Tools native disc image format used for making images from optical CD-ROM, DVD-ROM, HD DVD, or Blu-ray; it comes together with MDF file and can be mounted with DAEMON Tools • MDX – Daemon Tools format that allows getting one MDX disc image file instead of two (MDF and MDS) • NRG – Proprietary optical media archive format used by Nero applications • SDI – Archives and provides "virtual disk" functionality • SWM – Split WIM File, usually found on OEM Recovery Partition to store preinstalled Windows image, and to make Recovery backup (to USB Drive) easier (due to FAT32 limitations) • TIB – TIB Acronis True Image backup • WIM – Compressed disk image used for installing Windows Fundamentals for Legacy PC, Windows Vista or higher, or for restoring a system image made from Backup and Restore (Windows Vista and 7) == Other extensions ==

• CRDOWNLOAD – "Chrome Partial Download" file created by Chromium-based browsers such as Google Chrome; they contain the current portion of a file that has already been downloaded while a download is in progress; the file extension automatically reverts to the original when the download is complete • VDHX – Virtual disk created by Hyper-V (Hyper-V runs on Microsoft Windows) • PLIST – Short for Property List, stores data in XML-like format on Apple Inc devices == Computer-aided extensions ==

Computer-aided is a prefix for several categories of tools (e.g., design, manufacture, engineering) which assist professionals in their respective fields (e.g., machining, architecture, schematics). Computer-aided design (CAD) Computer-aided design (CAD) software assists engineers, architects and other design professionals in project design. • 3DXML – Dassault Systèmes graphic representation • 3MF – Microsoft 3D Manufacturing Format • ACP – VA Software VA – Virtual Architecture CAD file • AMF – Additive Manufacturing File Format • AEC – DataCAD drawing format • AEDT – Ansys Electronic Desktop – Project file • AR – Ashlar-Vellum Argon – 3D Modeling • ART – ArtCAM model • ASC – BRL-CAD Geometry File (old ASCII format) • ASM – Solidedge Assembly, Pro/ENGINEER Assembly • BREP – Open CASCADE 3D model (shape) • C3D – C3D Toolkit File Format • C3P – Construct3 Files • CCC – CopyCAD Curves • CCM – CopyCAD Model • CCS – CopyCAD Session • CAD – CadStd • CATDrawing – CATIA V5 Drawing document • CATPart – CATIA V5 Part document • CATProduct – CATIA V5 Assembly document • CATProcess – CATIA V5 Manufacturing document • CGR – CATIA V5 graphic representation file • CKD – KeyCreator CAD parts, assemblies, and drawings • CKT – KeyCreator template file • CO – Ashlar-Vellum Cobalt – parametric drafting and 3D modeling • DAB – AppliCad 3D model CAD file • DRW – Caddie Early version of Caddie drawing (prior to Caddie changing to DWG) • DFT – Solidedge Draft • DGN – MicroStation design file • DGK – Delcam Geometry • DMT – Delcam Machining Triangles • DXF – ASCII Drawing Interchange file format, AutoCAD • DWB – VariCAD drawing file • DWF – Autodesk's Web Design Format; AutoCAD & Revit can publish to this format; similar in concept to PDF files • DWG – Popular format for Computer Aided Drafting applications, notably AutoCAD, Open Design Alliance applications, and Autodesk Inventor. • EASM – SolidWorks eDrawings assembly file • EDRW – eDrawings drawing file • EMB – Wilcom ES Designer Embroidery CAD file • EPRT – eDrawings part file • EscPcb – "esCAD pcb" data file by Electro-System (Japan) • EscSch – "esCAD sch" data file by Electro-System (Japan) • ESW – AGTEK format • EXCELLON – Excellon file • EXP – Drawing Express format • F3D – Autodesk Fusion 360 archive file • FCStd – Native format for FreeCAD CAD/CAM packages • FM – FeatureCAM Part File • FMZ – FormZ Project file • G – BRL-CAD Geometry File • GBR – Gerber file • GCODE – G-code Geometric code; contains instructions for 3D printers • GLM – KernelCAD model • GRB – T-FLEX CAD File • GRI – AppliCad GRIM-In file in readable text form for importing roof and wall cladding job data generated by business management and accounting systems into modelling/estimating programs • GRO – AppliCad GRIM-Out file in readable text form for exporting roof and wall cladding data job material and labor costing data, material lists generated by modelling/estimating programs to business management and accounting systems • IAM – Autodesk Inventor Assembly file • ICD – IronCAD 2D CAD file • IDW – Autodesk Inventor Drawing file • IFC – buildingSMART for sharing AEC and FM data • IGES – Initial Graphics Exchange Specification • DGN, CEL – Intergraph Standard File Formats Intergraph • IO – Stud.io 3D model • IPN – Autodesk Inventor Presentation file • IPT – Autodesk Inventor Part file • JT – Jupiter Tesselation • MCD – Monu-CAD (Monument/Headstone Drawing file) • MDG – Model of Digital Geometric Kernel • model – CATIA V4 part document • OCD – Orienteering Computer Aided Design (OCAD) file • PAR – Solidedge Part • PART – A file used with Stud.Io • PIPE – PIPE-FLO Professional Piping system design file • PLN – ArchiCad project • PIXIL – Pixilart.com file • PRT – NX (recently known as Unigraphics), Pro/ENGINEER Part, CADKEY Part • PSM – Solidedge Sheet • PSMODEL – PowerSHAPE Model • PWI – PowerINSPECT File • PYT – Pythagoras File • RLF – ArtCAM Relief • RVM – AVEVA PDMS 3D Review model • RVT – Autodesk Revit project files • RFA – Autodesk Revit family files • RFT – Autodesk Revit Revit Family Template • RXF – AppliCad annotated 3D roof and wall geometry data in readable text form used to exchange 3D model geometry with other systems such as truss design software • S12 – Spirit file, by Softtech • SCAD – OpenSCAD 3D part model • SCDOC – SpaceClaim 3D Part/Assembly • SHAPR – Shapr3D • SKB – Google SketchUp backup File • SKP – Sketchup • SLDASM – SolidWorks Assembly drawing • SLDDRW – SolidWorks 2D drawing • SLDPRT – SolidWorks 3D part model • dotXSI – For Softimage • STATE – A file used by the IaC tool to record information about what has been deployed by the tool. • STEP – Standard for the Exchange of Product model data • STL – Stereo Lithographic data format used by various CAD systems and stereo lithographic printing machines. • STD – Power Vision Plus – Electricity Meter Data (Circuitor) • TCT – TurboCAD drawing template • TCW – TurboCAD for Windows 2D and 3D drawing • UNV – I-DEAS I-DEAS (Integrated Design and Engineering Analysis Software) • VC6 – Ashlar-Vellum Graphite – 2D and 3D drafting • VLM – Ashlar-Vellum Vellum, Vellum 2D, Vellum Draft, Vellum 3D, DrawingBoard • VS – Ashlar-Vellum Vellum Solids • WRL – Similar to STL, but includes color. Used by various CAD systems and 3D printing rapid prototyping machines. Also used for VRML models on the web. • X_B – Parasolids binary format • X_T – Parasolids • XE – Ashlar-Vellum Xenon – for associative 3D modeling • ZOFZPROJ – ZofzPCB 3D PCB model, containing mesh, netlist and BOM Electronic design automation (EDA) Electronic design automation (EDA), or electronic computer-aided design (ECAD), is specific to the field of electrical engineering. • BRD – Board file for EAGLE Layout Editor, a commercial PCB design tool • BSDL – Description language for testing through JTAG • CDL – Transistor-level netlist format for IC design • CPF – Power-domain specification in system-on-a-chip (SoC) implementation (see also UPF) • DEF – Gate-level layout • Detailed Standard Parasitic Format – Detailed Standard Parasitic Format, Analog-level Parastic component of interconnections in IC design • EDIF – Vendor neutral gate-level netlist format • FSDB – Analog waveform format (see also Waveform viewer) • GDSII – Format for PCB and layout of integrated circuits • HEX – ASCII-coded binary format for memory dumps • LEF – Library Exchange Format, physical abstract of cells for IC design • Liberty (EDA) – Library modeling (function, timing) format • MS12 – NI Multisim file • OASIS – Open Artwork System Interchange Standard • OpenAccess – Design database format with APIs • PSF – Cadence proprietary format to store simulation results/waveforms (2GB limit) • PSFXL – Cadence proprietary format to store simulation results/waveforms • SDC – Synopsys Design Constraints, format for synthesis constraints • SDF – Standard for gate-level timings • SPEF – Standard format for Parasitic component of interconnections in IC design • SPI, CIR – SPICE Netlist, device-level netlist and commands for simulation • SREC, S19 – S-record, ASCII-coded format for memory dumps • SST2 – Cadence proprietary format to store mixed-signal simulation results/waveforms • STIL – Standard Test Interface Language, IEEE1450-1999 standard for Test Patterns for IC • SV – SystemVerilog source file • S*P – Touchstone/EEsof Scattering parameter data file – multi-port blackbox performance, measurement or simulated • TLF – Contains timing and logical information about a collection of cells (circuit elements) • UPF – Standard for Power-domain specification in SoC implementation • V – Verilog source file • VCD – Standard format for digital simulation waveform • VHD, VHDL – VHDL source file • WGL – Waveform Generation Language, format for Test Patterns for IC Test technology Files output from Automatic Test Equipment or post-processed from such. • Standard Test Data Format == Database ==

• 4DB – 4D database Structure file • 4DC – 4D database Structure file (compiled in legacy mode) • 4DD – 4D database Data file • 4DIndy – 4D database Structure Index file • 4DIndx – 4D database Data Index file • 4DR – 4D database Data resource file (in old 4D versions) • 4DZ – 4D database Structure file (compiled in 4D Project mode) • ACCDB – Microsoft Database (Microsoft Office Access 2007 and later) • ACCDE – Compiled Microsoft Database (Microsoft Office Access 2007 and later) • ADT – Sybase Advantage Database Server (ADS) • APR – Lotus Approach data entry & reports • BOX – Lotus Notes Post Office mail routing database • CHML – Krasbit Technologies Encrypted database file for 1 click integration between contact management software and the Chameleon Software • DAF – Digital Anchor data file • DAT – DOS Basic • DAT – Intersystems Caché database file • DB – Paradox • DB – SQLite • DBF – db/dBase II, III, IV and V, Clipper, Harbour/xHarbour, Fox/FoxPro, Oracle • DTA – Sage Sterling database file • EGT – EGT Universal Document, used to compress sql databases to smaller files, may contain original EGT database style. • ESS – EGT SmartSense is a database of files and its compression style. Specific to EGT SmartSense • EAP – Enterprise Architect Project • FDB – Firebird database file • FDB – Navision database file • FP, FP3, FP5, FP7 – FileMaker Pro • FRM – MySQL table definition • GDB – Borland InterBase Databases • GTABLE – Google Drive Fusion Table • KEXI – Kexi database file (SQLite-based) • KEXIC – shortcut to a database connection for a Kexi databases on a server • KEXIS – shortcut to a Kexi database • LDB – Temporary database file, only exists while a database is open • LIRS – Layered Intager Storage. Stores intageres with characters such as semicolons to create lists of data. • MDA – Add-in file for Microsoft Access • MDB – Microsoft Access database • ADP – Microsoft Access project (used for accessing databases on a server) • MDE – Compiled Microsoft Database (Access) • MDF – Microsoft SQL Server Database • MYD – MySQL MyISAM table data • MYI – MySQL MyISAM table index • NCF – Lotus Notes configuration file • NSF – Lotus Notes database file • NTF – Lotus Notes database design template • NV2 – QW Page NewViews object oriented accounting database • ODB – LibreOffice Base or OpenOffice Base database • ORA – Oracle tablespace files sometimes get this extension (also used for configuration files) • PCONTACT – WinIM Contact file • PDB – Palm OS Database file • PDI – Portable Database Image • PDX – Corel Paradox database management • PRC – Palm OS resource database file • SQL – bundled SQL queries • REC – GNU recutils database • REL – Sage Retrieve 4GL data file • RIN – Sage Retrieve 4GL index file • SDB – StarOffice's StarBase • SDF – SQL Compact Database file • SQLITE – SQLite database file • UDL – Universal Data Link • waData – Wakanda (software) database Data file • waIndx – Wakanda (software) database Index file • waModel – Wakanda (software) database Model file • waJournal – Wakanda (software) database Journal file • WDB – Microsoft Works Database • WMDB – Windows Media Database file; the CurrentDatabase_360.wmdb file can contain file name, file properties, music, video, photo and playlist information == Big Data (Distributed) ==

• Avro – Data format appropriate for ingestion of record based attributes; distinguishing characteristic is schema is stored on each row enabling schema evolution • Parquet – Columnar data storage. It is typically used within the Hadoop ecosystem • ORC – Similar to Parquet, but has better data compression and schema evolution handling == Desktop publishing ==

• AI – Adobe Illustrator • AF – Affinity (software) • AVE, ZAVE – Aquafadas • CDR – CorelDRAW • CHP, pub, STY, CAP, CIF, VGR, FRM – Ventura Publisher – Xerox (DOS / GEM) • CPT – Corel Photo-Paint • DPE – Package of AVE documents made with Aquafadas digital publishing tools. • DTP – Greenstreet Publisher, GST PressWorks • FM – Adobe FrameMaker • GDRAW – Google Drive Drawing • ILDOC – Broadvision Quicksilver document • INDD – Adobe InDesign • MCF – FotoInsight Designer • PDF – Adobe Acrobat or Adobe Reader • PMD – Aldus/Adobe PageMaker • PPP – Serif PagePlus • PSD – Adobe Photoshop • PUB – Microsoft Publisher • QXD – QuarkXPress • SLA, SCD – Scribus • XCF – Used by the GIMP and other programs • TWP – Talon Word Processor document == Document ==

These files store formatted text and plain text. • 0 – Plain Text Document, normally used for licensing • 1ST – Plain Text Document, normally preceded by the words "README" (README.1ST) • 600 – Plain Text Document, used in UNZIP history log • 602 – Text602 (T602) document • ABW – AbiWord document • ACL – MS Word AutoCorrect List • AFP – Advanced Function Presentation • AMI – Lotus Ami Pro • ANS – American National Standards Institute (ANSI) text • ASC – ASCII text • AWW – Ability Write • BBeB – Broad Band EBook • CCF – Color Chat 1.0 • CSV – ASCII text as comma-separated values, used in spreadsheets and database management systems • CWK – ClarisWorks-AppleWorks document • DBK – DocBook XML sub-format • DITA – Darwin Information Typing Architecture document • DOC – Microsoft Word document • DOCM – Microsoft Word macro-enabled document • DOCX – document, Office Open XML, there are at least 4 quite different versions of Microsoft's DOCX: 1) ECMA-376, 2) ISO/IEC 29500 Transitional, 3) ISO/IEC 29500 Strict, 4) Microsoft-specific Compatibility Mode variants. • DOT – Microsoft Word document template • DOTX – Office Open XML text document template • DWD – DavkaWriter Heb/Eng word processor file • EGT – EGT Universal Document • EPUB – An open standard for e-books • EVTX – Windows XML EventLog files are system log files used by the Windows operating system • EZW – Reagency Systems easyOFFER document • FDX – Final Draft • FTM – Fielded Text Meta • FTX – Fielded Text (Declared) • GDOC – Google Drive document • GUIDE – AmigaGuide • HTML, HTM – HyperText Markup Language • HWP – Haansoft (Hancom) Hangul Word Processor document • HWPML – Haansoft (Hancom) Hangul Word Processor Markup Language document • KPUB – Kobo ebook format • LOG – Text log file • LWP – Lotus Word Pro • MBP – metadata for Mobipocket documents • MD – Markdown text document • ME – Plain text document normally preceded by the word "READ" (READ.ME) • MCW – Microsoft Word for Macintosh (versions 4.0–5.1) • Mobi – Mobipocket documents • NB – Mathematica Notebook • NB – Nota Bene Document (Academic Writing Software) • NBP – Mathematica Player Notebook • NEIS – 학교생활기록부 작성 프로그램 (Student Record Writing Program) Document • NT – N-Triples RDF container (.nt) • NQ – N-Quads RDF container (.nq) • ODM – OpenDocument master document • ODOC – Synology Drive Office Document • ODT – OpenDocument text document • OSHEET – Synology Drive Office Spreadsheet • OTT – OpenDocument text document template • OMM – OmmWriter text document • PAGES – Apple Pages document • PAP – Papyrus word processor document • PER – Canadian Forces Personnel Appraisal System (CFPAS) Personnel Evaluation Report (PER) • PDR – Canadian Forces Personnel Appraisal System (CFPAS) Personnel Development Report (PDR) • PDAX – Portable Document Archive (PDA) document index file • PDF – Portable Document Format • PROTONDOC – Proton Docs file shortcut • QUOX – Question Object File Format for Quobject Designer or Quobject Explorer • RTF – Rich Text document • RPT – Crystal Reports • SDW – StarWriter text document, used in earlier versions of StarOffice • SE – Shuttle Document • STW – OpenOffice.org XML (obsolete) text document template • Sxw – OpenOffice.org XML (obsolete) text document • TeX – TeX • TMDX – SoftMaker TextMaker • INFO – Texinfo • Troff – Unix OS document processing system • TXT – ASCII or Unicode plain text • UOF – Uniform Office Format • UOML – Unique Object Markup Language • VIA – Revoware VIA Document Project File • WPD – WordPerfect document • WPS – Microsoft Works document • WPT – Microsoft Works document template • WRD – WordIt! document • WRF – ThinkFree Write • WRI – Microsoft Write document • WRIX – NovaDesk Writer document • XHTML, XHT – eXtensible HyperText Markup Language • XML – eXtensible Markup Language • XPS – Open XML Paper Specification == Financial records ==

• MYO – MYOB Limited (Windows) File • MYOB – MYOB Limited (Mac) File • TAX – TurboTax File • YNAB – You Need a Budget File • Tax2010 – Tax filling software Financial data transfer formats • IFX – Interactive Financial Exchange XML-based specification for financial transactions • OFX – Open Financial Exchange, open standard supported by CheckFree and Microsoft and partly by Intuit; SGML and later XML based • QFX – proprietary pay-only format used only by Intuit • QIF – Quicken Interchange Format open standard formerly supported by Intuit == Font file ==

• ABF – Adobe Binary Screen Font • AFM – Adobe Font Metrics • BDF – Bitmap Distribution Format • BMF – ByteMap Font Format • BRFNT – Binary Revolution Font Format (NintendoWare4Revolution) • FNT – Bitmapped Font – Graphics Environment Manager (GEM) • FON – Bitmapped Font – Microsoft Windows • MGF – MicroGrafx Font • OTF – OpenType Font • PCF – Portable Compiled Format • PFA – Printer Font ASCII • PFB – Printer Font Binary – Adobe • PFM – Printer Font Metrics – Adobe • FOND – Font Description resource – Mac OS • SFD – FontForge spline font database Font • SNF – Server Normal Format • TDF – TheDraw Font • TFM – TeX font metric • TTF, TTC – TrueType Font • UFO – Unified Font Object is a cross-platform, cross-application, human readable, future proof format for storing font data. • WOFF – Web Open Font Format == General purpose ==

These file formats allow for the rapid creation of new binary file formats. • IFDS – Incredibly Flexible Data Storage file format. File extension and the magic number does not have to be IFDS. == Geographic information system ==

• ASC – ASCII point of interest (POI) text file • APR – ESRI ArcView 3.3 and earlier project file • DEM – USGS DEM file format • E00 – ARC/INFO interchange file format • GeoJSON – Geographically located data in object notation • TopoJSON – Extension of GeoJSON with topology encoded in arcs for web development • GeoTIFF – Geographically located raster data • GML – Geography Markup Language file • GPX – XML-based interchange format • ITN – TomTom Itinerary format • MXD – ESRI ArcGIS project file, 8.0 and higher • NTF – National Transfer Format file • OV2 – TomTom POI overlay file • SHP – ESRI shapefile • TAB – MapInfo TAB format • GeoTIFF – Geographically located raster data: text file giving corner coordinate, raster cells per unit, and rotation • DTED – Digital Terrain Elevation Data • KML – Keyhole Markup Language, XML-based == Graphical information organizers ==

• 3DT – 3D Topicscape, the database in which the meta-data of a 3D Topicscape is held, it is a form of 3D concept map (like a 3D mind-map) used to organize ideas, information, and computer files • ATY – 3D Topicscape file, produced when an association type is exported; used to permit round-trip (export Topicscape, change files and folders as desired, re-import to 3D Topicscape) • CAG – Linear Reference System • FES – 3D Topicscape file, produced when a fileless occurrence in 3D Topicscape is exported to Windows; used to permit round-trip (export Topicscape, change files and folders as desired, re-import them to 3D Topicscape) • MGMF – MindGenius Mind Mapping Software file format • MM – FreeMind mind map file (XML) • MMP – Mind Manager mind map file • MUP – File type used by MindMup to export editable Mind Maps • TPC – 3D Topicscape file, produced when an inter-Topicscape topic link file is exported to Windows; used to permit round-trip (export Topicscape, change files and folders as desired, re-import to 3D Topicscape) == Graphics ==

Color palettes • ACT – Adobe Color Table; contains a raw color palette and consists of 256 24-bit RGB colour values. • ASE – Adobe Swatch Exchange; used by Adobe Substance, Photoshop, Illustrator, and InDesign. • GPL – GIMP palette file; uses a text representation of color names and RGB values; various open source graphical editors can read this format, including GIMP, Inkscape, Krita, KolourPaint, Scribus, CinePaint, and MyPaint • PAL – Microsoft RIFF palette file Color management • ICC, ICM – Color profile conforming the specification of the ICC Raster graphics Raster or bitmap files store images as a group of pixels. • ART – America Online proprietary format • BLP – Blizzard Entertainment proprietary texture format • BMP – Microsoft Windows bitmap formatted image • BTI – Nintendo proprietary texture format • C4 – JEDMICS image files, a DOD system • CALS – JEDMICS image files, a DOD system • CD5 – Chasys Draw IES image • CIT – Intergraph monochrome bitmap format • CPT – Corel PHOTO-PAINT image • CLIP – CLIP STUDIO PAINT format • CPL – Microsoft Windows control panel file • DDS – DirectX texture file • DIB – Device-Independent Bitmap graphic • DjVu – designed for scanned documents • EGT – EGT Universal Document, used in EGT SmartSense to compress PNG files to yet a smaller file • Exif – Exchangeable image file format is a specification for the image format used by digital cameras • GIF – CompuServe's Graphics Interchange Format • GIFV – Graphics Interchange Format Video, a format used for short, looping videos that combines the advantages of GIFs and videos, with better playback quality and lower file sizes • GRF – Zebra Technologies proprietary format • ICNS – format for icons in macOS; contains bitmap images at multiple resolutions and bitdepths with alpha channel • HEIF, HEIC – High Efficiency Image File Format • ICO – a format used for icons in Microsoft Windows; contains small bitmap images at multiple resolutions and bitdepths with 1-bit transparency or alpha channel • IFF, ILBM, LBM – IFF ILBM • JNG – a single-frame MNG using JPEG compression and possibly an alpha channel • JPEG, JPG, JFIF – Joint Photographic Experts Group; a lossy image format widely used to display photographic images • JP2 – JPEG2000 • JPS – JPEG Stereo • JXL – JPEG XL, an image format designed for professional photography and web images; supports wide color gamut, high dynamic range, animations, and a max resolution of 1,073,741,823 x 1,073,741,824 • KRA – Krita image file • LBM – Deluxe Paint image file • MAX – ScanSoft PaperPort document • MIFF – ImageMagick's native file format • MNG – Multiple-image Network Graphics, the animated version of PNG • MSP – a format used by old versions of Microsoft Paint; replaced by BMP in Microsoft Windows 3.0 • NEF – Nikon camera raw format; photos have this on some Nikon cameras if the quality RAW is selected in camera settings • NITF – A U.S. Government standard commonly used in Intelligence systems • OTB – Over The Air bitmap, a specification designed by Nokia for black and white images for mobile phones • PBM – portable bitmap • compressed Degas picture files: • PC1 – low resolution • PC2 – medium resolution • PC3 – high resolution • PCF – Pixel Coordination Format • PCX – a lossless format used by ZSoft's PC Paint, popular for a time on DOS systems. • PDD – Adobe PhotoDeluxe image • PDN – Paint.NET image file • PGF – Progressive Graphics File • PGM – Portable graymap • uncompressed Degas picture files: • PI1 – low resolution • PI2 – medium resolution • PI3 – high resolution • PI2 – Portrait Innovations encrypted image format • PICT, PCT – Apple Macintosh PICT image • PNG – Portable Network Graphics (lossless, recommended for display and edition of graphic images) • PNJ – a sub-format of the MNG file format, used for encapsulating JPEG files • PNM – Portable anymap graphic bitmap image • PNS – PNG Stereo • PPM – Portable Pixmap (Pixel Map) image • procreate – Procreate's drawing file • Adobe Photoshop files: • PSB – large document • PSD – document • PSP – Paint Shop Pro image • PX – Pixel image editor image file • PXM – Pixelmator image file • PXR – Pixar Image Computer image file • PXZ – a compressed layered image file used for Pixlr • QFX – QuickLink Fax image • QOI – Quite OK Image, a compressed lossless image format • RLE – a run-length encoding image • SCT – Scitex Continuous Tone image file • SGI, RGB, INT, BW – Silicon Graphics Image • TGA, TARGA, ICB, VDA, VST, PIX – Truevision TGA (Targa) image • TIFF, TIF – Tag(ged) Image File Format; usually lossless, but many variants exist, including lossy ones. • TIFF/EP, TIF, TIFF – Tag Image File Format / Electronic Photography, ISO 12234-2; tends to be used as a basis for other formats rather than in its own right • VTF – Valve Texture Format • WEBP – WebP, an image format designed for the web that can provide both lossless and lossy compression • XBM – X Window System Bitmap • XCF – GIMP image (from Gimp's origin at the eXperimental Computing Facility of the University of California) • XPM – X Window System Pixmap • ZIF – Zoomable/Zoomify Image Format (a web-friendly, TIFF-based, zoomable image format) Photographs • CR2 – Canon camera raw format; photos have this on some Canon cameras if the quality RAW is selected in camera settings • DNG – "Digital Negative" a type of raw image file format used in digital photography. • RAW – General term for minimally processed image data (acquired by a digital camera) Vector graphics Vector graphics use geometric primitives such as points, lines, curves, and polygons to represent images. • 3DV file – 3-D wireframe graphics by Oscar Garcia • AMF – Additive Manufacturing File Format • AWG – Ability Draw • AI – Adobe Illustrator Document • CGM – Computer Graphics Metafile, an ISO Standard • CDR – CorelDRAW Document • CMX – CorelDRAW vector image • DP – Drawing Program file for PERQ • DRAWIO – Diagrams.net offline diagram • DXF – ASCII Drawing Interchange file Format, used in AutoCAD and other CAD-programs • E2D – 2-dimensional vector graphics used by the editor which is included in JFire • EGT – EGT Universal Document, EGT Vector Draw images are used to draw vector to a website • EPS – Encapsulated Postscript • FS – FlexiPro file.x • GBR – Gerber file • ODG – OpenDocument Drawing • MOVIE.BYU – 3D Vector file for polygons, coordinates and more complex shapes • RenderMan – Displays Shading in both 2D and 3D scapes • SVG – Scalable Vector Graphics, employs XML • 3DMLW – Scene description languages (3D vector image formats) • STL – Stereo Lithographic data format (see STL (file format)) used by various CAD systems and stereo lithographic printing machines. See above. • WRL – Virtual Reality Modeling Language, VRML Uses this extension for the creation of 3D viewable web images. • X3D – XML-based file for communicating 3D graphics • SXD – OpenOffice.org XML (obsolete) Drawing • TGAX – Texture format used by Zwift • V2D – voucher design used by the voucher management included in JFire • VDOC – Vector format used in AnyCut, CutStorm, DrawCut, DragonCut, FutureDRAW, MasterCut, SignMaster, VinylMaster software by Future Corporation • VSD – Vector format used by Microsoft Visio • VSDX – Vector format used by MS Visio and opened by VSDX Annotator • VND – Vision numeric Drawing file used in TypeEdit, Gravostyle. • WMF – Windows Meta File • EMF – Enhanced (Windows) MetaFile, an extension to WMF • ART – Xara–Drawing (superseded by XAR) • XAR – Xara–Drawing 3D graphics 3D graphics are 3D models that allow building models in real-time or non-real-time 3D rendering. • 3DMF – QuickDraw 3D Metafile (.3dmf) • 3DM – OpenNURBS Initiative 3D Model (used by Rhinoceros 3D) (.3dm) • 3MF – Microsoft 3D Manufacturing Format (.3mf) • 3DS – legacy 3D Studio Model (.3ds) • ABC – Alembic (computer graphics) • AC – AC3D Model • AMF – Additive Manufacturing File Format • AN8 – Anim8or Model • AOI – Art of Illusion Model • ASM – PTC Creo assembly • B3D – Blitz3D Model • BBMODEL Blockbench Model • BLEND – Blender • BLOCK – Blender encrypted blend files • BMD3 – Nintendo GameCube first-party J3D proprietary model format (.bmd) • BDL4 – Nintendo GameCube and Wii first-party J3D proprietary model format (2002, 2006–2010) (.bdl) • BRRES – Nintendo Wii proprietary model format • BFRES – Nintendo Wii U and later Switch proprietary model format • BCRES – Nintendo 3DS proprietary model format • C4D – Cinema 4D (.c4d) • Cal3D – Cal3D (.cal3d) • CCP4 – X-ray crystallography voxels (electron density) • CFL – Compressed File Library • COB – Caligari Object • CORE3D – Coreona 3D Coreona 3D Virtual File (.core3d) • CTM – OpenCTM • DAE – COLLADA • DFF – RenderWare binary stream, commonly used by Grand Theft Auto III-era games as well as other RenderWare titles • DN – Adobe Dimension CC file format • DPM – DeepMesh • DTS – Torque Game Engine (DTS (file format)) • EGG – Panda3D Engine • FACT – Electric Image (.fac) • FBX – Autodesk FBX • G – BRL-CAD geometry • GLB – a binary form of glTF required to be loaded in Facebook 3D Posts • GLM – Ghoul Mesh • glTF – the JSON-based standard developed by Khronos Group • HEC – Hector Game Engine – Flatspace model format • IO – Bricklink Stud.io 2.0 Model File • IOB – Imagine (3D modeling software) • JAS – Cheetah 3D file • JMESH – Universal mesh data exchange file based on JMesh specification (.jmsh for text/JSON based, .bmsh for binary/UBJSON based) • LDR – LDraw Model File • LWO – Lightwave Object • LWS – Lightwave Scene • LXF – LEGO Digital Designer Model file • LXO – Luxology Modo (software) file • M3D – Model3D, universal, engine-neutral format • MA – Autodesk Maya ASCII File • MAX – Autodesk 3D Studio Max file • MB – Autodesk Maya Binary File • MPD – LDraw Multi-Part Document Model File • MD2 – MD2: Quake II model format • MD3 – MD3: Quake III model format • MD5 – MD5: Doom 3 model format • MDX – Blizzard Entertainment's own model format • MESH – New York University (.m) • MESH – Meshwork Model (.mesh) • MIOBJECT – Mine-Imator object file • MIPARTICLE – Mine-Imator particle file • MIMODEL – Mine-Imator model file • MM3D – Misfit Model 3D • MPO – Multi-Picture Object – This JPEG standard is used for 3D images, as with the Nintendo 3DS • MRC – MRC: voxels in cryo-electron microscopy • NIF – Gamebryo NetImmerse File • NWC – Navisworks – cached version of the converted model geometry • NWD – Navisworks – publish format • NWF – Navisworks – working format for projects • OBJ – Wavefront .obj file • OFF – OFF Object file format • OGEX – Open Game Engine Exchange (OpenGEX) format • PLY – PLY: Polygon File Format / Stanford Triangle Format • PRC – Adobe PRC (embedded in PDF files) • PRT – PTC Creo part • POV – POV-Ray document • R3D – Realsoft 3D (Real-3D) • RWX – RenderWare Object • SIA – Nevercenter Silo Object • SIB – Nevercenter Silo Object • SKP – SketchUp file • SLDASM – SolidWorks Assembly Document • SLDPRT – SolidWorks Part Document • SMD – Valve Studiomdl Data format • TRES – Godot (game engine) resource file • U3D – Universal 3D format • USD – Universal Scene Description • USDA – Universal Scene Description, human-readable text format • USDC – Universal Scene Description, binary format • USDZ – Universal Scene Description, a zip-compressed container • VIM – Revizto visual information model format (.vimproj) • VRML97 – VRML Virtual reality modeling language (.wrl) • VUE – Vue scene file • VWX – Vectorworks • WINGS – Wings3D • W3D – Westwood 3D Model • X – DirectX 3D Model • X3D – Extensible 3D • Z3D – Zmodeler • ZBMX – Mecabricks Blender Add-On == Links and shortcuts ==

• Alias – Alias (Mac OS) • APPREF-MS – File shortcut format used by ClickOnce • DESKTOP – Desktop entry on Linux Desktop environments, can link to a file or folder, or an online web address; should not to be confused with DIRECTORY (not a shortcut, but analogous to a Microsoft Windows desktop.ini file containing folder metadata) • JNLP – Java Network Launching Protocol, an XML file used by Java Web Start for starting Java applets over the Internet • LNK – Binary-format file shortcut in Microsoft Windows 95 and later • NAL – ZENworks Instant shortcut (opens a .EXE not on the C:\ drive) • PIF – Used to run MS-DOS programs under Windows (1.0–XP, and 32-bit Vista–10) • SYM – Symbolic link • URL – INI file pointing to a URL bookmarks/Internet shortcut in Microsoft Windows • WEBLOC – Property list (.plist) file pointing to a URL bookmarks/Internet shortcut in macOS and on Apple Safari • WEBSITE – Internet Explorer "Pinned Site" launcher – An Internet shortcut created from dragging the favicon from the address bar (in IE 9–11) to the Desktop or to a folder in Windows File Explorer, it works similarly to a Progressive Web App; must not be confused with Apple Safari's WEBARCHIVE (archival) == Mathematical ==

• G3K – an obscure, uncommon format used by the CASIO graphing calculators to store keylogs • Harwell-Boeing – a file format designed to store sparse matrices • MML – MathML – Mathematical Markup Language • ODF – OpenDocument Math Formula • SXM – OpenOffice.org XML (obsolete) Math Formula == Native executable ==

Native executable formats include: executable file, object file, and shared library, but exclude executable files that are not executed via a processor-native mechanism. • 8BF – files plugins for some photo editing programs including Adobe Photoshop, Paint Shop Pro, GIMP and Helicon Filter. • A – a static library on Unix-like systems • A – Objective C native static library • a.out – (no suffix for executable image, .o for object files, .so for shared object files) classic Unix object format, now often superseded by ELF • APK – Android Package • APP – A folder found on macOS systems containing program code and resources, appearing as one file. • APP – file extension are executable application packages for running apps on HarmonyOS, OpenHarmony and Oniro devices. • BAC – an executable image for the RSTS/E system, created using the BASIC-PLUS COMPILE command • BPL – a Win32 PE file created with Delphi or C++Builder containing a package. • Bundle – a Macintosh plugin created with Xcode or make which holds executable code, data files, and folders for that code. • CLASS – Compiled Java bytecode • COFF – (no suffix for executable image, .o for object files) Unix Common Object File Format, now often superseded by ELF • COM – Simple executable format used by CP/M and DOS. • DCU – Delphi compiled unit • DLL – Dynamic library used in Windows and OS/2 to store data, resources and code. • DOL – the format used by the GameCube and Wii, short for Dolphin, which was the codename of the GameCube. • EAR – archives of Java enterprise applications • ELF – (no suffix for executable image, .o for object files, .so for shared object files) used in many modern Unix and Unix-like systems, including Solaris, other System V Release 4 derivatives, Linux, and BSD) • EXE – DOS executable (.exe: used in DOS) • EXE – New Executable (used in multitasking ("European") MS-DOS 4.0, 16-bit Microsoft Windows, and OS/2) • EXE – Portable Executable used in Microsoft Windows and some other systems • IPA – file extension for Apple iOS application executable file. Another form of zip file. • JAR – archives of Java class files • JEFF – a file format allowing execution directly from static memory • KO – Loadable kernel module • LIB – a static library on Microsoft platforms • LIST – variable list • Mach-O – (no suffix for executable image, .o for object files, .dylib and .bundle for shared object files) Mach-based systems, notably native format of macOS, iOS, iPadOS, watchOS, tvOS and visionOS • NLM – NetWare Loadable Module the native 32-bit binaries compiled for Novell's NetWare Operating System (versions 3 and newer) • O – un-linked object files directly from the compiler • OBJ – object file on Windows • RLL – used in Microsoft operating systems together with a DLL file to store program resources • S1ES – Executable used for S1ES learning system. • SO – shared library, typically ELF • VAP – Value Added Process the native 16-bit binaries compiled for Novell's NetWare Operating System (version 2, NetWare 286, Advanced NetWare, etc.) • WAR – an archive of a Java Web application • XAP – Windows Phone package • XBE – Xbox executable file used to run games. Can be run on a PC via emulation. • XCOFF – (no suffix for executable image, .o for object files, .a for shared object files) extended COFF, used in AIX • XEX – Xbox 360 executable file mainly used for games and apps, however it is also used for the console's BIOS. Can be run on a PC via emulation. • XPI – PKZIP archive that can be run by Mozilla web browsers to install software. • XSD – XML Schema Definition, used for planning and organizing XML documents. Object extensions: • OCX – Object Control extension • TLB – Windows Type Library • VBX – Visual Basic extension == Page description language ==

• DVI – DVI are Device independent format • EGT – Universal Document can be used to store CSS type styles • PLD – PLD are PhotoLine Document files • PCL – PCL Manages printer language • PDF – PDF are Portable Document Format • PS, GZ – PostScript • SNP – SNP are Microsoft Access Report Snapshot • XPS – XPS • XSL-FO – XSL-FO (Formatting Objects) • Configurations, Metadata • CSS – CSS are Cascading Style Sheets • XSLT, XSL – XML Style Sheet • TPL – Web template == Personal information manager ==

• MNB – MyInfo notebook • MSG – Microsoft Outlook task manager • ORG – Lotus Organizer PIM package • ORG – Emacs Org-Mode Mindmanager, contacts, calendar, email-integration • PST, OST – Microsoft Outlook email communication • SC2 – Microsoft Schedule+ calendar == Presentation ==

• GSLIDES – Google Drive Presentation • KEY, KEYNOTE – Apple Keynote Presentation • NB – Mathematica Slideshow • NBP – Mathematica Player slideshow • ODP – OpenDocument Presentation • OTP – OpenDocument Presentation template • PEZ – Prezi Desktop Presentation • POT – Microsoft PowerPoint template • PRDX – SoftMaker Presentations • PPS – Microsoft PowerPoint Show • PPT – Microsoft PowerPoint Presentation • PPTX – Office Open XML Presentation, there are at least 4 quite different versions of Microsoft's PPTX: 1) ECMA-376, 2)ISO/IEC 29500 Transitional, 3) ISO/IEC 29500 Strict, 4) Microsoft-specific Compatibility Modes. • PRZ – Lotus Freelance Graphics • SDD – StarOffice's StarImpress • SHF – ThinkFree Show • SHOW – Haansoft(Hancom) Presentation software document • SHW – Corel Presentations slide show creation • SLP – Logix-4D Manager Show Control Project • SSPSS – SongShow Plus Slide Show • STI – OpenOffice.org XML (obsolete) Presentation template • SXI – OpenOffice.org XML (obsolete) Presentation • THMX – Microsoft Office theme template • WATCH – Dataton Watchout Presentation == Project management software ==

• MPP – Microsoft Project == Reference management software ==