Data Files
Data files are the most common type of computer files. They may be installed with applications or created by users. Most data files are saved in a binary format, though some store data as plain text. Examples of data files include libraries, project files, and saved documents.
NOTE: The Data Files category encompasses other more specific categories. File types that do not fit within these subcategories are placed in this category.
Common data file extensions include .DAT, .XML, and .VCF.
| Extension | File Type | Popularity |
|---|---|---|
| .TA9 | TaxAct 2019 Tax Return File | 4.5 |
| .MS10 | Multisim 10 Circuit Design File | 4.5 |
| .BDC | Babylon Dictionary File | 4.3 |
| .SBD | Office Accounting Company Data File | 4.3 |
| .MXAD | Mandelbrot Explorer All Data File | 4.3 |
| .LDF | SQL Server Transaction Log File | 4.2 |
| .HYV | Team Manager Meet Event File | 4.2 |
| .VMT | Valve Material File | 4.2 |
| .TXD | Game Texture Dictionary | 4.2 |
| .MDL | MathWorks Simulink Model | 4.2 |
| .XEM | PowerDesigner Model Definition File | 4.2 |
| .XTM | CmapTools Exported Topic Map | 4.2 |
| .EBUILD | Portage eBuild Script | 4.1 |
| .NITF | National Imagery Transmission Format File | 4.1 |
| .RSV | RSView32 Project File | 4.1 |
| .PPTX | Microsoft PowerPoint Presentation | 4.1 |
| .PPSM | Microsoft PowerPoint Macro-Enabled Show | 4.1 |
| .MET | eMule Resource File | 4.1 |
| .TDB | Android Thumbnail Cache | 4.1 |
| .HDF | Hierarchical Data Format (Version 4) | 4.1 |
| .DAT | Data File | 4.0 |
| .BLD | Envisioneer Building Project File | 4.0 |
| .OBB | Android Opaque Binary Blob File | 4.0 |
| .TT25 | TurboTax Canada 2025 Tax Return | 4.0 |
| .H17 | H&R Block Canada 2017 Tax Return | 4.0 |
| .T20 | H&R Block 2020 Tax Return | 4.0 |
| .NOT | Notation File | 4.0 |
| .PRDX | Presentations Document | 4.0 |
| .CAPT | Capito Data File | 4.0 |
| .TAX2010 | TurboTax 2010 Tax Return | 4.0 |
| .NCORX | Adobe Encore Project | 4.0 |
| .QUICKENDATA | Quicken Essentials for Mac Data File | 4.0 |
| .H13 | H&R Block Canada 2013 Tax Return | 4.0 |
| .QB2017 | QuickBooks 2017 for Mac Data File | 4.0 |
| .IGC | International Gliding Commission Data File | 4.0 |
| .TAX2025 | TurboTax 2025 Tax Return | 4.0 |
| .KDC | Kaspersky Virus Database File | 4.0 |
| .KTH | Keynote Theme | 4.0 |
| .POI | Magellan Maestro Point of Interest File | 4.0 |
| .TBL | StarCraft Information Table | 4.0 |
| .STYK | Stykz Stick Figure | 4.0 |
| .TOPC | TopicCrunch Project File | 4.0 |
| .SQ | Sysquake Program | 4.0 |
| .SQR | SQL Program File | 4.0 |
| .FSC | Practical Scriptwriter File | 4.0 |
| .RGO | RepliGo File | 4.0 |
| .ABCD | AudioVisual Book Data File | 4.0 |
| .KPR | KPresenter Presentation | 4.0 |
| .DM2 | Toad Data Modeler 2 File | 4.0 |
| .VOK | PocketVok Vocabulary File | 4.0 |
| .WJR | ReGet Deluxe Data File | 4.0 |
| .MMC | Microsoft Media Catalog | 4.0 |
| .BGT | Graphics Accounts Data File | 4.0 |
| .T05 | TaxCut 2005 Tax Return | 4.0 |
| .LDIF | LDAP Data Interchange Format File | 4.0 |
| .MOSAIC | MacOSaiX Mosaic File | 4.0 |
| .PLW | PicoLog Data File | 4.0 |
| .GLS | Babylon Glossary File | 4.0 |
| .WTB | Win-Test Binary Log | 4.0 |
| .DRL | Gerber Drill Rack File | 4.0 |
| .RAL | WinRail Track Design File | 4.0 |
| .GGB | GeoGebra Worksheet | 4.0 |
| .PRS | Harvard Graphics Presentation | 4.0 |
| .LOC | GPS Location File | 4.0 |
| .PPT | Microsoft PowerPoint Presentation (Legacy) | 4.0 |
| .BIN | Generic Binary File | 4.0 |
| .CWK | ClarisWorks Document | 3.9 |
| .MDF | Measurement Data Format File | 3.9 |
| .JEF | Janome Embroidery Format File | 3.9 |
| .BDIC | Chrome Dictionary File | 3.9 |
| .MENC | Windows Mobile Encrypted File | 3.9 |
| .FCPEVENT | Final Cut Pro Event File | 3.9 |
| .DIF | Data Interchange Format | 3.9 |
| .ADT | ACT! Document Template | 3.9 |
| .LCM | Lipikar Custom Map File | 3.9 |
| .CEL | Affymetrix Probe Results File | 3.9 |
| .OPX | OrgPlus Org Chart | 3.9 |
| .OTLN | Opal Outline File | 3.9 |
| .MLS | Milestones Simplicity File | 3.9 |
| .TCC | TimeCalc Classic Data File | 3.9 |
| .EXX | IBM Linkway MsgPut File | 3.9 |
| .AIFB | AIF Builder Project File | 3.9 |
| .VCS | vCalendar Event | 3.9 |
| .EDI | Electronic Data Interchange File | 3.9 |
| .PC | Personal Composer File | 3.9 |
| .PHOTOSLIBRARY | Photos Library | 3.9 |
| .CDX | Compound Index File | 3.8 |
| .ODP | OpenDocument Presentation | 3.8 |
| .OVF | Open Virtualization File | 3.8 |
| .NET | netViz Project File | 3.8 |
| .RFA | Revit Family File | 3.8 |
| .CONTACT | Windows Contact File | 3.8 |
| .TRK | CompeGPS Land Track File | 3.8 |
| .ROX | Roxio Project File | 3.8 |
| .ZMC | ZoneAlarm Quarantine File | 3.8 |
| .OPJU | Origin Unicode Project | 3.8 |
| .AAM | Authorware Map File | 3.8 |
| .OVA | Open Virtual Appliance | 3.8 |
| .VDF | AntiVir Virus Definitions File | 3.8 |
| .T12 | At Home 2012 Tax Return | 3.8 |
| .XLF | XLIFF Document | 3.8 |
| .JPH | JProbe Memory Snapshot | 3.8 |
| .LMS | LenMus Score File | 3.8 |
| .IP | IconPackager Theme File | 3.8 |
| .PPS | Microsoft PowerPoint Slide Show (Legacy) | 3.8 |
| .MAI | Microsoft Mail File | 3.8 |
| .GRF | DPlot Graph File | 3.8 |
| .ENL | EndNote Library | 3.8 |
| .PCB | Printed Circuit Board Design File | 3.8 |
| .CKT | CircuitMaker File | 3.8 |
| .TAR | Tape Archive | 3.8 |
| .DMC | Datamartist Data Canvas File | 3.8 |
| .ROADTRIP | Road Trip Planner File | 3.8 |
| .NDX | dBASE Index (Legacy) | 3.8 |
| .CLP | CrazyTalk Clip File | 3.8 |
| .CUB | Analysis Services Cube File | 3.8 |
| .QUICKEN2015 | Quicken 2015 Data File | 3.8 |
| .TDL | Tab Delineated Format File | 3.8 |
| .UWL | User Word List File | 3.8 |
| .TAX2009 | TurboTax 2009 Tax Return | 3.8 |
| .ZAP | ZoneAlarm Pro Data File | 3.8 |
| .WAB | Windows Address Book | 3.8 |
| .LIVEREG | Symantec Antivirus Session File | 3.8 |
| .TTK | Catalyst Translation Toolkit | 3.8 |
| .DOCKZIP | ObjectDock File | 3.8 |
| .GRADE | GradeStat Document | 3.8 |
| .NNP | ANNI Neural Network Portfolio File | 3.8 |
| .PTF | Scrapbook Flair Template | 3.7 |
| .PDX | Adobe Acrobat Index File | 3.7 |
| .JNT | Windows Journal File | 3.7 |
| .CAV | Comodo Virus Definitions File | 3.7 |
| .INK | Mimio Notebook | 3.7 |
| .TMX | Translation Memory Exchange File | 3.7 |
| .TRD | TrID Definitions Package | 3.7 |
| .PRJ | AIMMS Project File | 3.7 |
| .DCMD | DiskCatalogMaker Thumbnail-Enabled Catalog | 3.7 |
| .A6P | Authorware 6 Project | 3.7 |
| .BLG | Windows Binary Performance Log File | 3.7 |
| .RP | Axure RP Project File | 3.7 |
| .LIB | Generic Data Library | 3.7 |
| .LOG | Log File | 3.7 |
| .MWF | MapGuide Author Map Window File | 3.7 |
| .PCR | PCMark Vantage Benchmark File | 3.7 |
| .T10 | At Home 2010 Tax Return | 3.7 |
| .U10 | UFile 2010 Tax Return | 3.7 |
| .PRO6PLX | ProPresenter 6 Playlist Bundle | 3.7 |
| .PAB | Personal Address Book | 3.7 |
| .AZZ | AZZ Cardfile Database File | 3.7 |
| .DVO | Cook'n Cookbook File | 3.7 |
| .QPB | QuickBooks Point of Sale Data File | 3.7 |
| .OO3 | OmniOutliner 3 File | 3.7 |
| .IMT | My Time Data File | 3.7 |
| .EMLXPART | Mail Message Attachment | 3.7 |
| .PHB | Motorola Phone Book File | 3.7 |
| .MDL | Rational Rose Model File | 3.7 |
| .I5Z | IUCLID 5 Import/Export File | 3.7 |
| .EGP | Easy Grade Pro Gradebook File | 3.7 |
| .Q09 | QuickTax 2009 Tax Return | 3.7 |
| .ACC | Graphics Accounts Data File | 3.7 |
| .KEYCHAIN | Mac OS X Keychain File | 3.7 |
| .RBT | LEGO MINDSTORMS NXT Program | 3.6 |
| .FCS | Flow Cytometry Standard File | 3.6 |
| .RSC | Symbian Application Compiled Resource File | 3.6 |
| .PKT | Packet Tracer Network Simulation Model | 3.6 |
| .PFC | AOL Personal Filing Cabinet | 3.6 |
| .3DR | 3DMark Results File | 3.6 |
| .UCCAPILOG | Microsoft UCC API Log File | 3.6 |
| .OTP | OpenDocument Presentation Template | 3.6 |
| .FOB | Dynamics NAV Object Container File | 3.6 |
| .MOX | ExtendSim Simulation Software Model | 3.6 |
| .SDF | Structure Data File | 3.6 |
| .KEY | Apple Keynote Presentation | 3.6 |
| .ACS | Agent Character File | 3.6 |
| .BGL | Babylon Glossary File | 3.6 |
| .XML | XML File | 3.6 |
| .IN | Input File | 3.6 |
| .IDX | Navigation POI File | 3.6 |
| .WDF | Workshare Compare DeltaFile | 3.6 |
| .H12 | At Home Canada 2012 Tax Return | 3.6 |
| .BVP | VodaHost BlueVoda Project File | 3.6 |
| .PJ2 | xPlan Document | 3.6 |
| .PPF | Edgecam Pathtrace Part File | 3.6 |
| .RFO | RoboForm Option File | 3.6 |
| .CURXPTHEME | CursorXP Theme File | 3.6 |
| .MBG | Microsoft Mailbag | 3.6 |
| .MFO | Perl ModInfo Descriptor File | 3.6 |
| .HST | History File | 3.6 |
| .L6T | Line 6 Tone File | 3.6 |
| .FDB | Portfolio Catalog | 3.6 |
| .PDB | Protein Data Bank File | 3.6 |
| .Q08 | QuickTax 2008 Tax Return | 3.6 |
| .GEDCOM | GEDCOM Genealogy File | 3.6 |
| .TRS | WinTrack Railroad Track Text File | 3.6 |
| .TSV | Tab-Separated Values File | 3.6 |
| .QVW | QlikView Document | 3.6 |
| .VDB | Symantec Virus Database File | 3.6 |
| .FDB | Art Explosion Catalog | 3.6 |
| .RET | BusinessObjects Template | 3.6 |
| .PPSX | Microsoft PowerPoint Slide Show | 3.6 |
| .RVT | Revit Project File | 3.6 |
| .SAV | SPSS Data File | 3.5 |
| .TXN | MySpaceIM Conversation Log File | 3.5 |
| .FOX | InfoZoom Data File | 3.5 |
| .KPF | Komodo Project File | 3.5 |
| .NOTEBOOK | SMART Notebook File | 3.5 |
| .XLT | Microsoft Excel Spreadsheet Template (Legacy) | 3.5 |
| .USR | SmartMusic Custom File | 3.5 |
| .CRTX | Office 2007 Chart Template File | 3.5 |
| .II | IconWorkshop Extended Information File | 3.5 |
| .SVF | Serial Vector Format File | 3.5 |
| .SLX | MathWorks Simulink Model File | 3.5 |
| .CMA | Coach Activity File | 3.5 |
| .OEACCOUNT | Windows Mail Account File | 3.5 |
| .T18 | H&R Block 2018 Tax Return | 3.5 |
| .MPKT | MOPEKS Trial File | 3.5 |
| .SC45 | SuperCard Project File | 3.5 |
| .GRV | Office Groove File | 3.5 |
| .MPZ | Miradi Project File | 3.5 |
| .QPF | Quartus II Project File | 3.5 |
| .EV | Echoview File | 3.5 |
| .MNO | Macromedia Design Note | 3.5 |
| .SEN | SenTest Data File | 3.5 |
| .HDA | HotDocs Auto-Assemble File | 3.5 |
| .XPT | SAS Transport File | 3.5 |
| .LY | LilyPond File | 3.5 |
| .BCM | Business Contact Manager File | 3.5 |
| .MNC | My Notes Center Notebook | 3.5 |
| .ITL | iTunes Library File | 3.5 |
| .ABY | AOL Address Book File | 3.5 |
| .BCI | Belarc Advisor Report File | 3.5 |
| .PKS | Oracle Package Spec File | 3.5 |
| .GWK | GraphiCode PCB Job File | 3.5 |
| .OFC | Open Financial Connectivity File | 3.5 |
| .DSY | Directory Synchronizer Project File | 3.5 |
| .RCG | Recog Character Recognition Set | 3.5 |
| .DVDPROJ | iDVD Project File | 3.5 |
| .CLK | Corel R.A.V.E Project File | 3.5 |
| .DFPROJ | DVD Flick Project | 3.5 |
| .RPT | Crystal Reports File | 3.5 |
| .XFD | XFD File | 3.5 |
| .PPTM | Microsoft PowerPoint Macro-Enabled Presentation | 3.5 |
| .MPP | Microsoft Project File | 3.5 |
| .ONE | OneNote Document | 3.5 |
| .POTM | Microsoft PowerPoint Macro-Enabled Template | 3.5 |
| .PAF | Personal Ancestral File | 3.5 |
| .MOHO | Moho Animation Project | 3.4 |
| .VCF | vCard File | 3.4 |
| .EXIF | Exchangeable Image Information File | 3.4 |
| .QDF | Quicken Data File | 3.4 |
| .AW | Answer Wizard File | 3.4 |
| .DSZ | Orchida (OES) Embroidery File | 3.4 |
| .TRA | WinTrack Railroad Track File | 3.4 |
| .WINDOWSLIVECONTACT | Windows Live Contacts File | 3.4 |
| .XSL | XML Stylesheet | 3.4 |
| .MJK | Question File | 3.4 |
| .EFX | eFax Document | 3.4 |
| .JBI | Motoman Robot Job File | 3.4 |
| .LP7 | LP7 Digitally Signed File | 3.4 |
| .FLP | ActivPrimary Flipchart File | 3.4 |
| .PDS | Planetary Data System File | 3.4 |
| .ANME | Anime Studio Document | 3.4 |
| .SEO | SEO Note File | 3.4 |
| .FFWP | FormsForWeb Packet | 3.4 |
| .LAS | LIDAR Data Exchange File | 3.4 |
| .GBR | Gerber File | 3.4 |
| .SPS | SPSS Program File | 3.4 |
| .LBL | NiceLabel Template File | 3.4 |
| .TST | TestPoint Test File | 3.4 |
| .STM | Exchange Streaming Media File | 3.4 |
| .OFX | Open Financial Exchange File | 3.4 |
| .EMB | Wilcom Embroidery Design File | 3.4 |
| .CSV | Comma-Separated Values File | 3.4 |
| .AAE | Sidecar Image Edit File | 3.3 |
| .PST | Outlook Personal Information Store | 3.3 |
| .FMAT | FMAT Runfile | 3.3 |
| .PTZ | E-Transcript Bundle File | 3.3 |
| .QB2013 | QuickBooks 2013 File | 3.3 |
| .T13 | H&R Block 2013 Tax Return | 3.3 |
| .QUICKEN2017 | Quicken 2017 Data File | 3.3 |
| .LIVEUPDATE | Symantec LiveUpdate File | 3.3 |
| .GDT | gretl Datafile | 3.3 |
| .QB2011 | QuickBooks 2011 File | 3.3 |
| .SLK | Symbolic Link File | 3.3 |
| .POTX | Microsoft PowerPoint Presentation Template | 3.3 |
| .RTE | Revit Project Template | 3.3 |
| .LGI | Multimedia Logic File | 3.3 |
| .PDAS | PDAStore Data Store File | 3.3 |
| .HL | HeuristicLab Storage File | 3.3 |
| .MYI | MySQL MyISAM Index File | 3.3 |
| .T07 | TaxCut 2007 Tax Return | 3.3 |
| .ASND | Adobe Sound Document | 3.3 |
| .XPG | Autoplay Media Studio Exported Page | 3.3 |
| .JRPRINT | JasperReports Print File | 3.3 |
| .TAX2018 | TurboTax 2018 Tax Return | 3.3 |
| .RPP | REAPER Project File | 3.3 |
| .GCW | Microsoft Mathematics Worksheet | 3.3 |
| .WPC | WordPad Converter File | 3.3 |
| .TPF | Transit NXT Pack Translation File | 3.3 |
| .ENEX | Evernote Archive | 3.3 |
| .TAX2015 | TurboTax 2015 Tax Return | 3.3 |
| .XRDML | XRDML Data File | 3.3 |
| .NPL | Nokia Playlist File | 3.3 |
| .CELTX | Celtx Project File | 3.3 |
| .T19 | H&R Block 2019 Tax Return | 3.3 |
| .OMP | Office Manager Document Archive | 3.3 |
| .PDFIG | PDF Index Generator Project File | 3.3 |
| .DAM | DeltaMaster Analysis Model | 3.3 |
| .GRK | Gradekeeper Class Gradebook File | 3.3 |
| .XMCD | Mathcad Worksheet File | 3.3 |
| .PRJ | Project File | 3.2 |
| .GS | GemStone Document | 3.2 |
| .PDX | Product Data eXchange File | 3.2 |
| .4DV | 4D View Ultrasound File | 3.2 |
| .GPI | Garmin Point of Interest File | 3.2 |
| .MDM | HLM Multivariate Data Matrix File | 3.2 |
| .PLS | MYOB Accounting Data File | 3.2 |
| .MDSX | MEGA Saved Session | 3.2 |
| .VXML | VoiceXML File | 3.2 |
| .FPSL | FileMaker Pro Snapshot Link | 3.2 |
| .TB | Tabbery Tab File | 3.2 |
| .CVN | CineVision Encoding Session | 3.2 |
| .KPZ | Komodo Template File | 3.2 |
| .CDF | Common Data Format | 3.2 |
| .TBK | ToolBook File | 3.2 |
| .LVM | LabVIEW Measurement File | 3.2 |
| .VCE | Visual CertExam Exam File | 3.2 |
| .WB3 | Corel Quattro Pro 7 and 8 File | 3.2 |
| .STYKZ | Stykz Animation | 3.2 |
| .SCD | TurboTax Tax Schedule List | 3.2 |
| .GED | GEDCOM Genealogy Data File | 3.2 |
| .VCD | Value Change Dump File | 3.2 |
| .TAX2017 | TurboTax 2017 Tax Return | 3.2 |
| .QB2014 | QuickBooks 2014 File | 3.1 |
| .SIM | SAP Tutor File | 3.1 |
| .TEF | TablEdit Tablature | 3.1 |
| .FXP | Adobe Flex Project File | 3.1 |
| .TWB | Tableau Workbook File | 3.1 |
| .IES | IES Photometric Data File | 3.1 |
| .OUT | Output File | 3.1 |
| .ADCP | Adobe Device Central Project File | 3.1 |
| .CLG | Collage Maker Project File | 3.1 |
| .BTM | BizTalk Map File | 3.1 |
| .CAP | Packet Capture File | 3.1 |
| .STA | ABAQUS Status File | 3.1 |
| .TAX2013 | TurboTax 2013 Tax Return | 3.1 |
| .MDJ | StarUML Model File | 3.1 |
| .ABP | AVS Barcode Profile | 3.1 |
| .M | Wolfram Mathematica Language Package | 3.1 |
| .CDX | ChemDraw Exchange File | 3.1 |
| .PTB | Power Tab File | 3.1 |
| .CTF | WhereIsIt Catalog | 3.1 |
| .PCAPNG | Pcap-NG Packet Capture File | 3.0 |
| .T16 | H&R Block 2016 Tax Return | 3.0 |
| .ID2 | Windows Live Messenger Emoticon File | 3.0 |
| .IMA | Sage ACT! Email Message | 3.0 |
| .DSB | Wondershare DVD Slideshow Builder Project | 3.0 |
| .XSLT | Extensible Stylesheet Language Transformations File | 3.0 |
| .QMTF | Quicken Mac Transfer File | 3.0 |
| .XPJ | RoboHelp HTML Project | 3.0 |
| .IBA | iBooks Author Document | 3.0 |
| .TAX2024 | TurboTax 2024 Tax Return | 3.0 |
| .T08 | TaxCut 2008 Tax Return | 3.0 |
| .T11 | At Home 2011 Tax Return | 3.0 |
| .JDB | Symantec Endpoint Protection Update File | 3.0 |
| .GLD | Ground Loop Design Work File | 3.0 |
| .PD5 | Windows Live Photo Gallery Information File | 3.0 |
| .BJO | TabRite Tablature File | 3.0 |
| .PPF | Transit NXT Pack Project File | 3.0 |
| .NNI | ANNI Neural Network Investing File | 3.0 |
| .CNA | Catena Project File | 3.0 |
| .EPF | Edgecam Educational Part File | 3.0 |
| .AMSORM | OnLine Ringman Auction Client File | 3.0 |
| .SBW | US Treasury Savings Bonds Wizard File | 3.0 |
| .HS2 | HyperRESEARCH 2 Study File | 3.0 |
| .WGT | XNBC Synaptic Weights File | 3.0 |
| .DII | Summation Batch Load File | 3.0 |
| .WEA | Ecotect Weather File | 3.0 |
| .MMP | MindManager Mind Map | 3.0 |
| .PSPD | PhotoSuite 5 Project File | 3.0 |
| .NPT | Portfolio NetPublish Template | 3.0 |
| .SQD | SQ Data File | 3.0 |
| .PEP | TurboProject Project File | 3.0 |
| .OR6 | Lotus Organizer 6 File | 3.0 |
| .PTN | PaperPort Thumbnail File | 3.0 |
| .FOP | InfoZoom Protected Data File | 3.0 |
| .DAS | DeltaMaster Analysis Session | 3.0 |
| .ULF | Universal List File | 3.0 |
| .ITX | FileNet eForms Designer Template | 3.0 |
| .PD4 | Windows Live Photo Gallery Information File | 3.0 |
| .GNO | GenoPro Genealogy Tree File | 3.0 |
| .T06 | TaxCut 2006 Tax Return | 3.0 |
| .BRW | Calyx Point Borrower File | 3.0 |
| .SDP | Session Description Protocol File | 3.0 |
| .WCD | Works Calendar File | 3.0 |
| .VRD | Visio Report Definition File | 3.0 |
| .IX2 | WordPerfect Address Book File | 3.0 |
| .XRP | RationalPlan Project File | 3.0 |
| .MEX | Macro Express File | 3.0 |
| .ROU | Gerber Route File | 3.0 |
| .TE3 | WinTrack Object File | 3.0 |
| .QIF | Quicken Interchange Format File | 3.0 |
| .GAN | GanttProject Project File | 3.0 |
| .SPV | SPSS Output Document | 2.9 |
| .XFDF | Adobe Acrobat XFDF File | 2.9 |
| .MCDX | Mathcad Prime Document | 2.9 |
| .MCD | Mathcad Document | 2.9 |
| .DCM | DiskCatalogMaker Catalog | 2.9 |
| .QFX | Quicken Financial Exchange File | 2.9 |
| .QBW | QuickBooks for Windows Company File | 2.9 |
| .INX | Compiled Script | 2.9 |
| .ISF | Inspiration Flowchart Document | 2.9 |
| .MAT | MATLAB MAT-file | 2.9 |
| .MMF | Meal-Master Recipe File | 2.9 |
| .PPP | CyberLink PowerProducer Project | 2.9 |
| .TAX2019 | TurboTax 2019 Tax Return | 2.8 |
| .TS | Qt Translation Source File | 2.8 |
| .MDC | Multi Dimension Cube File | 2.8 |
| .DBD | DemoShield Project | 2.8 |
| .FMC | FormConnect Form File | 2.8 |
| .NDK | Lotus Notes Design Elements File | 2.8 |
| .WSI | Wise Package Studio Installer Package | 2.8 |
| .DAL | DVD-lab Project File | 2.8 |
| .POD | OpenProj Project File | 2.8 |
| .PXL | Pocket Excel File | 2.8 |
| .FTW | Family Tree Maker File | 2.8 |
| .EXP | Export File | 2.8 |
| .TT10 | TurboTax Canada 2010 Tax Return | 2.8 |
| .XDB | Symantec Virus Database File | 2.8 |
| .TAX2011 | TurboTax 2011 Tax Return | 2.8 |
| .GC | GraphClick File | 2.8 |
| .XRY | XRY Data File | 2.8 |
| .ITMSP | iTunes Store Package | 2.7 |
| .MW | Maple Worksheet | 2.7 |
| .QB2010 | QuickBooks 2010 File | 2.7 |
| .PNPROJ | Programmer's Notepad Project File | 2.7 |
| .MBX | Outlook Express Mailbox | 2.7 |
| .FHC | FHC Data File | 2.7 |
| .DDCX | DivX Descriptor 2 File | 2.6 |
| .HML | HostMonitor TestList File | 2.6 |
| .SLE | Sisulizer Package File | 2.6 |
| .VDX | Microsoft Visio XML Drawing | 2.6 |
| .CAF | Class Action Gradebook File | 2.6 |
| .MWS | Maple Classic Worksheet | 2.6 |
| .ESX | Xactimate Insurance Claims Estimate | 2.6 |
| .FLO | iGrafx FlowCharter File | 2.6 |
| .MTW | Minitab Worksheet File | 2.6 |
| .VI | LabVIEW Virtual Instrument File | 2.6 |
| .TT12 | TurboTax Canada 2012 Tax Return | 2.5 |
| .QB2012 | QuickBooks 2012 File | 2.5 |
| .PJM | xPlan Model | 2.5 |
| .XDNA | DNA Strider Sequence File | 2.5 |
| .T09 | At Home 2009 Tax Return | 2.5 |
| .SGML | Standard Generalized Markup Language File | 2.5 |
| .WSM | Wise Package Studio Merge Module | 2.5 |
| .CLM | MagicJack Call Log File | 2.5 |
| .NP | Portfolio NetPublish File | 2.5 |
| .NPR | Nuendo Project File | 2.5 |
| .XPR | SyncRO Soft oXygen XML Editor Project | 2.5 |
| .IGC | Anime List Builder Input File | 2.5 |
| .DDC | DivX Descriptor File | 2.5 |
| .ULZ | USBlyzer Data Capture File | 2.5 |
| .GRR | Gradekeeper Class Roster File | 2.5 |
| .TDM | LabVIEW Binary Measurement File | 2.5 |
| .ROD | Actuate Report Object Design File | 2.5 |
| .QDP | Quick and Dandy Plotter File | 2.5 |
| .KPP | Kid Pix Presentation | 2.5 |
| .BCC | Calendar Creator File | 2.5 |
| .PHM | Pro Home Manager Data File | 2.5 |
| .PMM | Pegasus Mail Mailbox File | 2.5 |
| .SHW | Corel Presentation | 2.5 |
| .EPW | EnergyPlus Weather Data File | 2.4 |
| .PXF | Transit XV Pack Project File | 2.4 |
| .ZDC | CD Catalog Expert Database File | 2.4 |
| .VTX | Visio Template XML File | 2.4 |
| .KID | Kidspiration Document | 2.4 |
| .LGH | HMI Historical Log File | 2.4 |
| .VBPF1 | Virtual Business - Personal Finance Data File | 2.3 |
| .IXB | Ulead Disc Image | 2.3 |
| .OPX | FlipAlbum Photo Album File | 2.3 |
| .KPX | Kid Pix Picture | 2.3 |
| .WNK | Wink Presentation | 2.3 |
| .DMSP | PhotoSuite Project File | 2.3 |
| .LSL | LightScribe Label | 2.3 |
| .QB2009 | QuickBooks 2009 File | 2.2 |
| .BLB | Blob Data File | 2.2 |
| .CSA | PNA Code Calset File | 2.2 |
| .OND | Lotus Notes Encapsulated Memo File | 2.2 |
| .TFA | TreeSoft CashFlow Analysis Data File | 2.1 |
| .TT13 | TurboTax Canada 2013 Tax Return | 2.0 |
| .TKFL | TKLinks Saver Favorite Links | 2.0 |
| .SPUB | Disc Cover File | 2.0 |
| .MBG | Mailbag Assistant Mailbox File | 2.0 |
| .ODX | BizTalk Server Orchestration File | 2.0 |
| .TET | Textease CT Template | 2.0 |
| .TPB | GROMACS Binary Input File | 2.0 |
| .CTM | CrazyTalk Model File | 2.0 |
| .SBX | ESRI Spatial Index File | 1.8 |
| .ITM | iThink Model File | 1.7 |
| .STP | Analysis Studio Project Information File | 1.6 |
| .IVT | Beyond 20/20 Table File | 1.5 |
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