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 |
| .SBD | Office Accounting Company Data File | 4.3 |
| .BDC | Babylon Dictionary 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 |
| .LCM | Lipikar Custom Map File | 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 |
| .TAX2025 | TurboTax 2025 Tax Return | 4.0 |
| .H17 | H&R Block Canada 2017 Tax Return | 4.0 |
| .NOT | Notation File | 4.0 |
| .QB2017 | QuickBooks 2017 for Mac Data File | 4.0 |
| .PRDX | Presentations Document | 4.0 |
| .CAPT | Capito Data File | 4.0 |
| .KDC | Kaspersky Virus Database 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 |
| .IGC | International Gliding Commission Data File | 4.0 |
| .T20 | H&R Block 2020 Tax Return | 4.0 |
| .TT25 | TurboTax Canada 2025 Tax Return | 4.0 |
| .PCR | PCMark Vantage Benchmark File | 4.0 |
| .KTH | Keynote Theme | 4.0 |
| .TBL | StarCraft Information Table | 4.0 |
| .STYK | Stykz Stick Figure | 4.0 |
| .POI | Magellan Maestro Point of Interest File | 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 |
| .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 |
| .BDIC | Chrome Dictionary File | 4.0 |
| .BIN | Generic Binary File | 4.0 |
| .CWK | ClarisWorks Document | 3.9 |
| .PPT | Microsoft PowerPoint Presentation (Legacy) | 3.9 |
| .CURSORFX | CursorFX Theme File | 3.9 |
| .MDF | Measurement Data Format File | 3.9 |
| .JEF | Janome Embroidery Format 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 |
| .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 |
| .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 |
| .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 |
| .PTF | Scrapbook Flair Template | 3.8 |
| .IP | IconPackager Theme File | 3.8 |
| .PPS | Microsoft PowerPoint Slide Show (Legacy) | 3.8 |
| .TAR | Tape Archive | 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 |
| .DMC | Datamartist Data Canvas File | 3.8 |
| .ROADTRIP | Road Trip Planner File | 3.8 |
| .TAX2009 | TurboTax 2009 Tax Return | 3.8 |
| .NDX | dBASE Index (Legacy) | 3.8 |
| .CUB | Analysis Services Cube File | 3.8 |
| .UWL | User Word List File | 3.8 |
| .QUICKEN2015 | Quicken 2015 Data File | 3.8 |
| .TDL | Tab Delineated Format File | 3.8 |
| .CLP | CrazyTalk Clip File | 3.8 |
| .ZAP | ZoneAlarm Pro Data File | 3.8 |
| .NNP | ANNI Neural Network Portfolio 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 |
| .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 |
| .QVW | QlikView Document | 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 |
| .U10 | UFile 2010 Tax Return | 3.7 |
| .PRO6PLX | ProPresenter 6 Playlist Bundle | 3.7 |
| .T10 | At Home 2010 Tax Return | 3.7 |
| .PAB | Personal Address Book | 3.7 |
| .Q09 | QuickTax 2009 Tax Return | 3.7 |
| .QPB | QuickBooks Point of Sale Data File | 3.7 |
| .OO3 | OmniOutliner 3 File | 3.7 |
| .EMLXPART | Mail Message Attachment | 3.7 |
| .PHB | Motorola Phone Book File | 3.7 |
| .MDL | Rational Rose Model File | 3.7 |
| .EGP | Easy Grade Pro Gradebook File | 3.7 |
| .I5Z | IUCLID 5 Import/Export File | 3.7 |
| .DVO | Cook'n Cookbook File | 3.7 |
| .AZZ | AZZ Cardfile Database File | 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 |
| .UCCAPILOG | Microsoft UCC API Log File | 3.6 |
| .3DR | 3DMark Results 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 |
| .ACS | Agent Character File | 3.6 |
| .XML | XML File | 3.6 |
| .IN | Input File | 3.6 |
| .IDX | Navigation POI File | 3.6 |
| .BVP | VodaHost BlueVoda Project File | 3.6 |
| .PPF | Edgecam Pathtrace Part File | 3.6 |
| .H12 | At Home Canada 2012 Tax Return | 3.6 |
| .PJ2 | xPlan Document | 3.6 |
| .WDF | Workshare Compare DeltaFile | 3.6 |
| .CURXPTHEME | CursorXP Theme File | 3.6 |
| .MBG | Microsoft Mailbag | 3.6 |
| .MFO | Perl ModInfo Descriptor File | 3.6 |
| .RFO | RoboForm Option File | 3.6 |
| .HST | History File | 3.6 |
| .L6T | Line 6 Tone File | 3.6 |
| .KEY | Apple Keynote Presentation | 3.6 |
| .FDB | Portfolio Catalog | 3.6 |
| .PDB | Protein Data Bank File | 3.6 |
| .LY | LilyPond 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 |
| .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 |
| .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 |
| .TXN | MySpaceIM Conversation Log File | 3.5 |
| .SC45 | SuperCard Project File | 3.5 |
| .SVF | Serial Vector Format File | 3.5 |
| .SLX | MathWorks Simulink Model File | 3.5 |
| .CMA | Coach Activity File | 3.5 |
| .MPKT | MOPEKS Trial File | 3.5 |
| .OEACCOUNT | Windows Mail Account File | 3.5 |
| .T18 | H&R Block 2018 Tax Return | 3.5 |
| .II | IconWorkshop Extended Information File | 3.5 |
| .CLK | Corel R.A.V.E Project File | 3.5 |
| .ABY | AOL Address Book File | 3.5 |
| .MNO | Macromedia Design Note | 3.5 |
| .EV | Echoview File | 3.5 |
| .SEN | SenTest Data File | 3.5 |
| .XPT | SAS Transport File | 3.5 |
| .QPF | Quartus II Project File | 3.5 |
| .MPZ | Miradi Project File | 3.5 |
| .BCM | Business Contact Manager File | 3.5 |
| .MNC | My Notes Center Notebook | 3.5 |
| .LMX | Landmark Exchange File | 3.5 |
| .ITL | iTunes Library File | 3.5 |
| .BCI | Belarc Advisor Report File | 3.5 |
| .HDA | HotDocs Auto-Assemble 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 |
| .DFPROJ | DVD Flick Project | 3.5 |
| .RPT | Crystal Reports File | 3.5 |
| .MPP | Microsoft Project File | 3.5 |
| .PPTM | Microsoft PowerPoint Macro-Enabled Presentation | 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 |
| .XFD | XFD File | 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 |
| .EFX | eFax Document | 3.4 |
| .MJK | Question File | 3.4 |
| .LP7 | LP7 Digitally Signed File | 3.4 |
| .FLP | ActivPrimary Flipchart File | 3.4 |
| .PDS | Planetary Data System File | 3.4 |
| .SEO | SEO Note File | 3.4 |
| .ANME | Anime Studio Document | 3.4 |
| .JBI | Motoman Robot Job File | 3.4 |
| .FFWP | FormsForWeb Packet | 3.4 |
| .LAS | LIDAR Data Exchange File | 3.4 |
| .RPP | REAPER Project 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 |
| .GBR | Gerber 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 |
| .QUICKEN2017 | Quicken 2017 Data File | 3.3 |
| .PTZ | E-Transcript Bundle File | 3.3 |
| .QB2013 | QuickBooks 2013 File | 3.3 |
| .LIVEUPDATE | Symantec LiveUpdate File | 3.3 |
| .T13 | H&R Block 2013 Tax Return | 3.3 |
| .GDT | gretl Datafile | 3.3 |
| .QB2011 | QuickBooks 2011 File | 3.3 |
| .RTE | Revit Project Template | 3.3 |
| .ASND | Adobe Sound Document | 3.3 |
| .POTX | Microsoft PowerPoint Presentation Template | 3.3 |
| .LGI | Multimedia Logic File | 3.3 |
| .SLK | Symbolic Link 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 |
| .XPG | Autoplay Media Studio Exported Page | 3.3 |
| .JRPRINT | JasperReports Print File | 3.3 |
| .TAX2018 | TurboTax 2018 Tax Return | 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 |
| .MX | Mathematica Serialized Package File | 3.3 |
| .OMP | Office Manager Document Archive | 3.3 |
| .DAM | DeltaMaster Analysis Model | 3.3 |
| .GRK | Gradekeeper Class Gradebook File | 3.3 |
| .PDFIG | PDF Index Generator Project File | 3.3 |
| .XMCD | Mathcad Worksheet | 3.3 |
| .PRJ | Project File | 3.2 |
| .GS | GemStone Document | 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 |
| .TDT | THOR Data Tree File | 3.2 |
| .TB | Tabbery Tab File | 3.2 |
| .FPSL | FileMaker Pro Snapshot Link | 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 |
| .TWB | Tableau Workbook File | 3.1 |
| .FXP | Adobe Flex Project 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 |
| .T11 | At Home 2011 Tax Return | 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 |
| .JDB | Symantec Endpoint Protection Update File | 3.0 |
| .TAX2024 | TurboTax 2024 Tax Return | 3.0 |
| .XPJ | RoboHelp HTML Project | 3.0 |
| .IBA | iBooks Author Document | 3.0 |
| .MCDX | Mathcad Prime Document | 3.0 |
| .QMTF | Quicken Mac Transfer File | 3.0 |
| .T16 | H&R Block 2016 Tax Return | 3.0 |
| .ID2 | Windows Live Messenger Emoticon File | 3.0 |
| .T08 | TaxCut 2008 Tax Return | 3.0 |
| .NSQ | NScheduler Data File | 3.0 |
| .PSPD | PhotoSuite 5 Project File | 3.0 |
| .OR6 | Lotus Organizer 6 File | 3.0 |
| .CNA | Catena Project File | 3.0 |
| .GNO | GenoPro Genealogy Tree File | 3.0 |
| .EPF | Edgecam Educational Part File | 3.0 |
| .PEP | TurboProject Project File | 3.0 |
| .PPF | Transit NXT Pack Project File | 3.0 |
| .GLD | Ground Loop Design Work File | 3.0 |
| .NNI | ANNI Neural Network Investing File | 3.0 |
| .IX2 | WordPerfect Address Book File | 3.0 |
| .MJKSIG | Majik Signature Envelope | 3.0 |
| .DII | Summation Batch Load File | 3.0 |
| .PD4 | Windows Live Photo Gallery Information File | 3.0 |
| .MMP | MindManager Mind Map | 3.0 |
| .PD5 | Windows Live Photo Gallery Information File | 3.0 |
| .HS2 | HyperRESEARCH 2 Study File | 3.0 |
| .NPT | Portfolio NetPublish Template | 3.0 |
| .AMSORM | OnLine Ringman Auction Client File | 3.0 |
| .WCD | Works Calendar File | 3.0 |
| .SQD | SQ Data File | 3.0 |
| .IBCD | InstantBingoCard Document | 3.0 |
| .ITE | iTunes Extras File | 3.0 |
| .WEA | Ecotect Weather File | 3.0 |
| .FOP | InfoZoom Protected Data File | 3.0 |
| .DAS | DeltaMaster Analysis Session | 3.0 |
| .BJO | TabRite Tablature File | 3.0 |
| .ULF | Universal List File | 3.0 |
| .ITX | FileNet eForms Designer Template | 3.0 |
| .BRW | Calyx Point Borrower File | 3.0 |
| .T06 | TaxCut 2006 Tax Return | 3.0 |
| .SDP | Session Description Protocol File | 3.0 |
| .VRD | Visio Report Definition File | 3.0 |
| .XRP | RationalPlan Project File | 3.0 |
| .MEX | Macro Express File | 3.0 |
| .SBW | US Treasury Savings Bonds Wizard 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 |
| .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 |
| .XDB | Symantec Virus Database File | 2.8 |
| .TT10 | TurboTax Canada 2010 Tax Return | 2.8 |
| .TAX2011 | TurboTax 2011 Tax Return | 2.8 |
| .XRY | XRY Data File | 2.8 |
| .GC | GraphClick File | 2.8 |
| .DDCX | DivX Descriptor 2 File | 2.7 |
| .ITMSP | iTunes Store Package | 2.7 |
| .MW | Maple Worksheet | 2.7 |
| .PNPROJ | Programmer's Notepad Project File | 2.7 |
| .MBX | Outlook Express Mailbox | 2.7 |
| .FHC | FHC Data File | 2.7 |
| .QB2010 | QuickBooks 2010 File | 2.7 |
| .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 |
| .MTW | Minitab Worksheet File | 2.6 |
| .FLO | iGrafx FlowCharter 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 |
| .QDP | Quick and Dandy Plotter File | 2.5 |
| .HCR | HydroCAD Rainfall Curve Data File | 2.5 |
| .NP | Portfolio NetPublish File | 2.5 |
| .PMM | Pegasus Mail Mailbox File | 2.5 |
| .IGC | Anime List Builder Input File | 2.5 |
| .DDC | DivX Descriptor File | 2.5 |
| .ULZ | USBlyzer Data Capture File | 2.5 |
| .CLM | MagicJack Call Log File | 2.5 |
| .GRR | Gradekeeper Class Roster File | 2.5 |
| .TDM | LabVIEW Binary Measurement File | 2.5 |
| .NPR | Nuendo Project File | 2.5 |
| .ROD | Actuate Report Object Design File | 2.5 |
| .BCC | Calendar Creator File | 2.5 |
| .KPP | Kid Pix Presentation | 2.5 |
| .PHM | Pro Home Manager Data File | 2.5 |
| .XPR | SyncRO Soft oXygen XML Editor Project | 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 |
| .TET | Textease CT Template | 2.0 |
| .TKFL | TKLinks Saver Favorite Links | 2.0 |
| .CTM | CrazyTalk Model File | 2.0 |
| .SPUB | Disc Cover File | 2.0 |
| .MBG | Mailbag Assistant Mailbox File | 2.0 |
| .SIDX | StuffIt Archive Index File | 2.0 |
| .ODX | BizTalk Server Orchestration File | 2.0 |
| .TPB | GROMACS Binary Input 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 |
| .WB2 | Corel Quattro Pro File | 1.5 |
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