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
.TA9TaxAct 2019 Tax Return File
.MS10Multisim 10 Circuit Design File
.BDCBabylon Dictionary File
.SBDOffice Accounting Company Data File
.MXADMandelbrot Explorer All Data File
.LDFSQL Server Transaction Log File
.HYVTeam Manager Meet Event File
.VMTValve Material File
.TXDGame Texture Dictionary
.MDLMathWorks Simulink Model
.XEMPowerDesigner Model Definition File
.XTMCmapTools Exported Topic Map
.EBUILDPortage eBuild Script
.NITFNational Imagery Transmission Format File
.RSVRSView32 Project File
.PPTXMicrosoft PowerPoint Presentation
.PPSMMicrosoft PowerPoint Macro-Enabled Show
.METeMule Resource File
.TDBAndroid Thumbnail Cache
.HDFHierarchical Data Format (Version 4)
.DATData File
.BLDEnvisioneer Building Project File
.OBBAndroid Opaque Binary Blob File
.TT25TurboTax Canada 2025 Tax Return
.H17H&R Block Canada 2017 Tax Return
.T20H&R Block 2020 Tax Return
.NOTNotation File
.PRDXPresentations Document
.CAPTCapito Data File
.TAX2010TurboTax 2010 Tax Return
.NCORXAdobe Encore Project
.QUICKENDATAQuicken Essentials for Mac Data File
.H13H&R Block Canada 2013 Tax Return
.QB2017QuickBooks 2017 for Mac Data File
.IGCInternational Gliding Commission Data File
.TAX2025TurboTax 2025 Tax Return
.KDCKaspersky Virus Database File
.KTHKeynote Theme
.POIMagellan Maestro Point of Interest File
.TBLStarCraft Information Table
.STYKStykz Stick Figure
.TOPCTopicCrunch Project File
.SQSysquake Program
.SQRSQL Program File
.FSCPractical Scriptwriter File
.RGORepliGo File
.ABCDAudioVisual Book Data File
.KPRKPresenter Presentation
.DM2Toad Data Modeler 2 File
.VOKPocketVok Vocabulary File
.WJRReGet Deluxe Data File
.MMCMicrosoft Media Catalog
.BGTGraphics Accounts Data File
.T05TaxCut 2005 Tax Return
.LDIFLDAP Data Interchange Format File
.MOSAICMacOSaiX Mosaic File
.PLWPicoLog Data File
.GLSBabylon Glossary File
.WTBWin-Test Binary Log
.DRLGerber Drill Rack File
.RALWinRail Track Design File
.GGBGeoGebra Worksheet
.PRSHarvard Graphics Presentation
.LOCGPS Location File
.PPTMicrosoft PowerPoint Presentation (Legacy)
.BINGeneric Binary File
.CWKClarisWorks Document
.MDFMeasurement Data Format File
.JEFJanome Embroidery Format File
.BDICChrome Dictionary File
.MENCWindows Mobile Encrypted File
.FCPEVENTFinal Cut Pro Event File
.DIFData Interchange Format
.ADTACT! Document Template
.LCMLipikar Custom Map File
.CELAffymetrix Probe Results File
.OPXOrgPlus Org Chart
.OTLNOpal Outline File
.MLSMilestones Simplicity File
.TCCTimeCalc Classic Data File
.EXXIBM Linkway MsgPut File
.AIFBAIF Builder Project File
.VCSvCalendar Event
.EDIElectronic Data Interchange File
.PCPersonal Composer File
.PHOTOSLIBRARYPhotos Library
.CDXCompound Index File
.ODPOpenDocument Presentation
.OVFOpen Virtualization File
.NETnetViz Project File
.RFARevit Family File
.CONTACTWindows Contact File
.TRKCompeGPS Land Track File
.ROXRoxio Project File
.ZMCZoneAlarm Quarantine File
.OPJUOrigin Unicode Project
.AAMAuthorware Map File
.OVAOpen Virtual Appliance
.VDFAntiVir Virus Definitions File
.T12At Home 2012 Tax Return
.XLFXLIFF Document
.JPHJProbe Memory Snapshot
.LMSLenMus Score File
.IPIconPackager Theme File
.PPSMicrosoft PowerPoint Slide Show (Legacy)
.MAIMicrosoft Mail File
.GRFDPlot Graph File
.ENLEndNote Library
.PCBPrinted Circuit Board Design File
.CKTCircuitMaker File
.TARTape Archive
.DMCDatamartist Data Canvas File
.ROADTRIPRoad Trip Planner File
.NDXdBASE Index (Legacy)
.CLPCrazyTalk Clip File
.CUBAnalysis Services Cube File
.QUICKEN2015Quicken 2015 Data File
.TDLTab Delineated Format File
.UWLUser Word List File
.TAX2009TurboTax 2009 Tax Return
.ZAPZoneAlarm Pro Data File
.WABWindows Address Book
.LIVEREGSymantec Antivirus Session File
.TTKCatalyst Translation Toolkit
.DOCKZIPObjectDock File
.GRADEGradeStat Document
.NNPANNI Neural Network Portfolio File
.PTFScrapbook Flair Template
.PDXAdobe Acrobat Index File
.JNTWindows Journal File
.CAVComodo Virus Definitions File
.INKMimio Notebook
.TMXTranslation Memory Exchange File
.TRDTrID Definitions Package
.PRJAIMMS Project File
.DCMDDiskCatalogMaker Thumbnail-Enabled Catalog
.A6PAuthorware 6 Project
.BLGWindows Binary Performance Log File
.RPAxure RP Project File
.LIBGeneric Data Library
.LOGLog File
.MWFMapGuide Author Map Window File
.PCRPCMark Vantage Benchmark File
.T10At Home 2010 Tax Return
.U10UFile 2010 Tax Return
.PRO6PLXProPresenter 6 Playlist Bundle
.PABPersonal Address Book
.AZZAZZ Cardfile Database File
.DVOCook'n Cookbook File
.QPBQuickBooks Point of Sale Data File
.OO3OmniOutliner 3 File
.IMTMy Time Data File
.EMLXPARTMail Message Attachment
.PHBMotorola Phone Book File
.MDLRational Rose Model File
.I5ZIUCLID 5 Import/Export File
.EGPEasy Grade Pro Gradebook File
.Q09QuickTax 2009 Tax Return
.ACCGraphics Accounts Data File
.KEYCHAINMac OS X Keychain File
.RBTLEGO MINDSTORMS NXT Program
.FCSFlow Cytometry Standard File
.RSCSymbian Application Compiled Resource File
.PKTPacket Tracer Network Simulation Model
.PFCAOL Personal Filing Cabinet
.3DR3DMark Results File
.UCCAPILOGMicrosoft UCC API Log File
.OTPOpenDocument Presentation Template
.FOBDynamics NAV Object Container File
.MOXExtendSim Simulation Software Model
.SDFStructure Data File
.KEYApple Keynote Presentation
.ACSAgent Character File
.BGLBabylon Glossary File
.XMLXML File
.INInput File
.IDXNavigation POI File
.WDFWorkshare Compare DeltaFile
.H12At Home Canada 2012 Tax Return
.BVPVodaHost BlueVoda Project File
.PJ2xPlan Document
.PPFEdgecam Pathtrace Part File
.RFORoboForm Option File
.CURXPTHEMECursorXP Theme File
.MBGMicrosoft Mailbag
.MFOPerl ModInfo Descriptor File
.HSTHistory File
.L6TLine 6 Tone File
.FDBPortfolio Catalog
.PDBProtein Data Bank File
.Q08QuickTax 2008 Tax Return
.GEDCOMGEDCOM Genealogy File
.TRSWinTrack Railroad Track Text File
.TSVTab-Separated Values File
.QVWQlikView Document
.VDBSymantec Virus Database File
.FDBArt Explosion Catalog
.RETBusinessObjects Template
.PPSXMicrosoft PowerPoint Slide Show
.RVTRevit Project File
.SAVSPSS Data File
.TXNMySpaceIM Conversation Log File
.FOXInfoZoom Data File
.KPFKomodo Project File
.NOTEBOOKSMART Notebook File
.XLTMicrosoft Excel Spreadsheet Template (Legacy)
.USRSmartMusic Custom File
.CRTXOffice 2007 Chart Template File
.IIIconWorkshop Extended Information File
.SVFSerial Vector Format File
.SLXMathWorks Simulink Model File
.CMACoach Activity File
.OEACCOUNTWindows Mail Account File
.T18H&R Block 2018 Tax Return
.MPKTMOPEKS Trial File
.SC45SuperCard Project File
.GRVOffice Groove File
.MPZMiradi Project File
.QPFQuartus II Project File
.EVEchoview File
.MNOMacromedia Design Note
.SENSenTest Data File
.HDAHotDocs Auto-Assemble File
.XPTSAS Transport File
.LYLilyPond File
.BCMBusiness Contact Manager File
.MNCMy Notes Center Notebook
.ITLiTunes Library File
.ABYAOL Address Book File
.BCIBelarc Advisor Report File
.PKSOracle Package Spec File
.GWKGraphiCode PCB Job File
.OFCOpen Financial Connectivity File
.DSYDirectory Synchronizer Project File
.RCGRecog Character Recognition Set
.DVDPROJiDVD Project File
.CLKCorel R.A.V.E Project File
.DFPROJDVD Flick Project
.RPTCrystal Reports File
.XFDXFD File
.PPTMMicrosoft PowerPoint Macro-Enabled Presentation
.MPPMicrosoft Project File
.ONEOneNote Document
.POTMMicrosoft PowerPoint Macro-Enabled Template
.PAFPersonal Ancestral File
.MOHOMoho Animation Project
.VCFvCard File
.EXIFExchangeable Image Information File
.QDFQuicken Data File
.AWAnswer Wizard File
.DSZOrchida (OES) Embroidery File
.TRAWinTrack Railroad Track File
.WINDOWSLIVECONTACTWindows Live Contacts File
.XSLXML Stylesheet
.MJKQuestion File
.EFXeFax Document
.JBIMotoman Robot Job File
.LP7LP7 Digitally Signed File
.FLPActivPrimary Flipchart File
.PDSPlanetary Data System File
.ANMEAnime Studio Document
.SEOSEO Note File
.FFWPFormsForWeb Packet
.LASLIDAR Data Exchange File
.GBRGerber File
.SPSSPSS Program File
.LBLNiceLabel Template File
.TSTTestPoint Test File
.STMExchange Streaming Media File
.OFXOpen Financial Exchange File
.EMBWilcom Embroidery Design File
.CSVComma-Separated Values File
.AAESidecar Image Edit File
.PSTOutlook Personal Information Store
.FMATFMAT Runfile
.PTZE-Transcript Bundle File
.QB2013QuickBooks 2013 File
.T13H&R Block 2013 Tax Return
.QUICKEN2017Quicken 2017 Data File
.LIVEUPDATESymantec LiveUpdate File
.GDTgretl Datafile
.QB2011QuickBooks 2011 File
.SLKSymbolic Link File
.POTXMicrosoft PowerPoint Presentation Template
.RTERevit Project Template
.LGIMultimedia Logic File
.PDASPDAStore Data Store File
.HLHeuristicLab Storage File
.MYIMySQL MyISAM Index File
.T07TaxCut 2007 Tax Return
.ASNDAdobe Sound Document
.XPGAutoplay Media Studio Exported Page
.JRPRINTJasperReports Print File
.TAX2018TurboTax 2018 Tax Return
.RPPREAPER Project File
.GCWMicrosoft Mathematics Worksheet
.WPCWordPad Converter File
.TPFTransit NXT Pack Translation File
.ENEXEvernote Archive
.TAX2015TurboTax 2015 Tax Return
.XRDMLXRDML Data File
.NPLNokia Playlist File
.CELTXCeltx Project File
.T19H&R Block 2019 Tax Return
.OMPOffice Manager Document Archive
.PDFIGPDF Index Generator Project File
.DAMDeltaMaster Analysis Model
.GRKGradekeeper Class Gradebook File
.XMCDMathcad Worksheet File
.PRJProject File
.GSGemStone Document
.PDXProduct Data eXchange File
.4DV4D View Ultrasound File
.GPIGarmin Point of Interest File
.MDMHLM Multivariate Data Matrix File
.PLSMYOB Accounting Data File
.MDSXMEGA Saved Session
.VXMLVoiceXML File
.FPSLFileMaker Pro Snapshot Link
.TBTabbery Tab File
.CVNCineVision Encoding Session
.KPZKomodo Template File
.CDFCommon Data Format
.TBKToolBook File
.LVMLabVIEW Measurement File
.VCEVisual CertExam Exam File
.WB3Corel Quattro Pro 7 and 8 File
.STYKZStykz Animation
.SCDTurboTax Tax Schedule List
.GEDGEDCOM Genealogy Data File
.VCDValue Change Dump File
.TAX2017TurboTax 2017 Tax Return
.QB2014QuickBooks 2014 File
.SIMSAP Tutor File
.TEFTablEdit Tablature
.FXPAdobe Flex Project File
.TWBTableau Workbook File
.IESIES Photometric Data File
.OUTOutput File
.ADCPAdobe Device Central Project File
.CLGCollage Maker Project File
.BTMBizTalk Map File
.CAPPacket Capture File
.STAABAQUS Status File
.TAX2013TurboTax 2013 Tax Return
.MDJStarUML Model File
.ABPAVS Barcode Profile
.MWolfram Mathematica Language Package
.CDXChemDraw Exchange File
.PTBPower Tab File
.CTFWhereIsIt Catalog
.PCAPNGPcap-NG Packet Capture File
.T16H&R Block 2016 Tax Return
.ID2Windows Live Messenger Emoticon File
.IMASage ACT! Email Message
.DSBWondershare DVD Slideshow Builder Project
.XSLTExtensible Stylesheet Language Transformations File
.QMTFQuicken Mac Transfer File
.XPJRoboHelp HTML Project
.IBAiBooks Author Document
.TAX2024TurboTax 2024 Tax Return
.T08TaxCut 2008 Tax Return
.T11At Home 2011 Tax Return
.JDBSymantec Endpoint Protection Update File
.GLDGround Loop Design Work File
.PD5Windows Live Photo Gallery Information File
.BJOTabRite Tablature File
.PPFTransit NXT Pack Project File
.NNIANNI Neural Network Investing File
.CNACatena Project File
.EPFEdgecam Educational Part File
.AMSORMOnLine Ringman Auction Client File
.SBWUS Treasury Savings Bonds Wizard File
.HS2HyperRESEARCH 2 Study File
.WGTXNBC Synaptic Weights File
.DIISummation Batch Load File
.WEAEcotect Weather File
.MMPMindManager Mind Map
.PSPDPhotoSuite 5 Project File
.NPTPortfolio NetPublish Template
.SQDSQ Data File
.PEPTurboProject Project File
.OR6Lotus Organizer 6 File
.PTNPaperPort Thumbnail File
.FOPInfoZoom Protected Data File
.DASDeltaMaster Analysis Session
.ULFUniversal List File
.ITXFileNet eForms Designer Template
.PD4Windows Live Photo Gallery Information File
.GNOGenoPro Genealogy Tree File
.T06TaxCut 2006 Tax Return
.BRWCalyx Point Borrower File
.SDPSession Description Protocol File
.WCDWorks Calendar File
.VRDVisio Report Definition File
.IX2WordPerfect Address Book File
.XRPRationalPlan Project File
.MEXMacro Express File
.ROUGerber Route File
.TE3WinTrack Object File
.QIFQuicken Interchange Format File
.GANGanttProject Project File
.SPVSPSS Output Document
.XFDFAdobe Acrobat XFDF File
.MCDXMathcad Prime Document
.MCDMathcad Document
.DCMDiskCatalogMaker Catalog
.QFXQuicken Financial Exchange File
.QBWQuickBooks for Windows Company File
.INXCompiled Script
.ISFInspiration Flowchart Document
.MATMATLAB MAT-file
.MMFMeal-Master Recipe File
.PPPCyberLink PowerProducer Project
.TAX2019TurboTax 2019 Tax Return
.TSQt Translation Source File
.MDCMulti Dimension Cube File
.DBDDemoShield Project
.FMCFormConnect Form File
.NDKLotus Notes Design Elements File
.WSIWise Package Studio Installer Package
.DALDVD-lab Project File
.PODOpenProj Project File
.PXLPocket Excel File
.FTWFamily Tree Maker File
.EXPExport File
.TT10TurboTax Canada 2010 Tax Return
.XDBSymantec Virus Database File
.TAX2011TurboTax 2011 Tax Return
.GCGraphClick File
.XRYXRY Data File
.ITMSPiTunes Store Package
.MWMaple Worksheet
.QB2010QuickBooks 2010 File
.PNPROJProgrammer's Notepad Project File
.MBXOutlook Express Mailbox
.FHCFHC Data File
.DDCXDivX Descriptor 2 File
.HMLHostMonitor TestList File
.SLESisulizer Package File
.VDXMicrosoft Visio XML Drawing
.CAFClass Action Gradebook File
.MWSMaple Classic Worksheet
.ESXXactimate Insurance Claims Estimate
.FLOiGrafx FlowCharter File
.MTWMinitab Worksheet File
.VILabVIEW Virtual Instrument File
.TT12TurboTax Canada 2012 Tax Return
.QB2012QuickBooks 2012 File
.PJMxPlan Model
.XDNADNA Strider Sequence File
.T09At Home 2009 Tax Return
.SGMLStandard Generalized Markup Language File
.WSMWise Package Studio Merge Module
.CLMMagicJack Call Log File
.NPPortfolio NetPublish File
.NPRNuendo Project File
.XPRSyncRO Soft oXygen XML Editor Project
.IGCAnime List Builder Input File
.DDCDivX Descriptor File
.ULZUSBlyzer Data Capture File
.GRRGradekeeper Class Roster File
.TDMLabVIEW Binary Measurement File
.RODActuate Report Object Design File
.QDPQuick and Dandy Plotter File
.KPPKid Pix Presentation
.BCCCalendar Creator File
.PHMPro Home Manager Data File
.PMMPegasus Mail Mailbox File
.SHWCorel Presentation
.EPWEnergyPlus Weather Data File
.PXFTransit XV Pack Project File
.ZDCCD Catalog Expert Database File
.VTXVisio Template XML File
.KIDKidspiration Document
.LGHHMI Historical Log File
.VBPF1Virtual Business - Personal Finance Data File
.IXBUlead Disc Image
.OPXFlipAlbum Photo Album File
.KPXKid Pix Picture
.WNKWink Presentation
.DMSPPhotoSuite Project File
.LSLLightScribe Label
.QB2009QuickBooks 2009 File
.BLBBlob Data File
.CSAPNA Code Calset File
.ONDLotus Notes Encapsulated Memo File
.TFATreeSoft CashFlow Analysis Data File
.TT13TurboTax Canada 2013 Tax Return
.TKFLTKLinks Saver Favorite Links
.SPUBDisc Cover File
.MBGMailbag Assistant Mailbox File
.ODXBizTalk Server Orchestration File
.TETTextease CT Template
.TPBGROMACS Binary Input File
.CTMCrazyTalk Model File
.SBXESRI Spatial Index File
.ITMiThink Model File
.STPAnalysis Studio Project Information File
.IVTBeyond 20/20 Table File

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