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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.

File Extension File Type Popularity
.CSVComma Separated Values File
.DATData File
.PPSPowerPoint Slide Show
.PPTPowerPoint Presentation
.TARConsolidated Unix File Archive
.GEDGEDCOM Genealogy Data File
.VCFvCard File
.KEYKeynote Presentation
.PPTXPowerPoint Open XML Presentation
.TAX2019TurboTax 2019 Tax Return
.TAX2016TurboTax 2016 Tax Return
.SDFStandard Data File
.KEYCHAINMac OS X Keychain File
.MPPMicrosoft Project File
.TT18TurboTax Canada 2018 Tax Return
.PFCAOL Personal File Cabinet
.PSTOutlook Personal Information Store File
.KDCKaspersky Virus Database File
.JDBSymantec Endpoint Protection Update File
.PCRPCMark Vantage Benchmark File
.TWBTableau Workbook File
.SPSSPSS Program File
.XPJRoboHelp HTML Project File
.LIBGeneric Data Library
.TSVTab Separated Values File
.MMathematica Input File
.TT12TurboTax Canada 2012 Tax Return
.SC45SuperCard Project File
.HDFHierarchical Data Format File
.TAX2015TurboTax 2015 Tax Return
.CAPTCapito Data File
.CONTACTWindows Contact File
.MENCWindows Mobile Encrypted File
.NDXdBASE Index File
.WABWindows Address Book
.ODPOpenDocument Presentation
.TRKCompeGPS Land Track File
.PPFEdgecam Pathtrace Part File
.QB2012QuickBooks 2012 File
.SNAGSnagIt Capture File
.QB2011QuickBooks 2011 File
.U10UFile 2010 Tax Return
.ROXRoxio Project File
.NBPMathematica Player Notebook File
.RPTCrystal Reports File
.GDTgretl Datafile
.TBKToolBook File
.T18H&R Block 2018 Tax Return
.MMFMeal-Master Recipe File
.T16H&R Block 2016 Tax Return
.GCWMicrosoft Mathematics Worksheet
.QBWQuickBooks Data File
.WINDOWSLIVECONTACTWindows Live Contacts File
.ADTACT! Document Template
.MWFMapGuide Author Map Window File
.TAX2009TurboTax 2009 Tax Return
.AWAnswer Wizard File
.BLGWindows Binary Performance Log File
.GPIGarmin Point of Interest File
.T08TaxCut 2008 Tax Return
.XSLXML Style Sheet
.XSLTXSL Transformation File
.RVTRevit Project File
.MOHOMoho Animation Project
.PJ2xPlan Document
.QUICKENDATAQuicken Essentials for Mac Data File
.T10At Home 2010 Tax Return
.FXPAdobe Flex Project File
.QVWQlikView Document
.ADCPAdobe Device Central Project File
.TAX2011TurboTax 2011 Tax Return
.RPAxure RP Project File
.IBAiBooks Author Document
.T11At Home 2011 Tax Return
.NCORXAdobe Encore Project
.FMCFormConnect Form File
.PCAPNGPcap-NG Packet Capture File
.DSBWondershare DVD Slideshow Builder Project
.TT13TurboTax Canada 2013 Tax Return
.QB2014QuickBooks 2014 File
.MJKQuestion File
.TAX2013TurboTax 2013 Tax Return
.H13H&R Block Canada 2013 Tax Return
.MPHPhotostory Deluxe Project
.QMTFQuicken Mac Transfer File
.XDNADNA Strider Sequence File
.PRDXPresentations Document
.FCSFlow Cytometry Standard File
.SAVSPSS Data File
.EFXeFax Document
.WDFWorkshare Compare DeltaFile
.JRPRINTJasperReports Print File
.UCCAPILOGMicrosoft UCC API Log File
.PTZE-Transcript Bundle File
.OVFOpen Virtualization File
.DIFData Interchange Format
.ID2Windows Live Messenger Emoticon File
.TMXTranslation Memory Exchange File
.PPTMPowerPoint Open XML Macro-Enabled Presentation
.PPSXPowerPoint Open XML Slide Show
.TRSRosetta Stone Language Data File
.FDBPortfolio Catalog
.METeMule Resource File
.MDLMathWorks Simulink Model
.MWMaple Worksheet
.GRFDPlot Graph File
.VDBSymantec Virus Database File
.BVPVodaHost BlueVoda Project File
.QB2009QuickBooks 2009 File
.SVFSerial Vector Format File
.XFDFAdobe Acrobat XFDF File
.SDFStructure Data File
.TAX2010TurboTax 2010 Tax Return
.NOTNotation File
.MPXMicrosoft Project Exchange File
.TT10TurboTax Canada 2010 Tax Return
.CUBAnalysis Services Cube File
.CDXChemDraw Exchange File
.CELAffymetrix Probe Results File
.ENEXEvernote Archive
.MCDMathcad Document
.STMExchange Streaming Media File
.VDFAntiVir Virus Definitions File
.ITMSPiTunes Store Package
.JNTWindows Journal File
.MDJStarUML Model File
.ENLEndNote Library
.CLPCrazyTalk Clip File
.EDIElectronic Data Interchange File
.MDSXMEGA Saved Session
.T12At Home 2012 Tax Return
.IMASage ACT! Email Message
.SLXMathWorks Simulink Model File
.H12At Home Canada 2012 Tax Return
.MCDXMathcad Prime Document
.PRO5PLXProPresenter 5 Playlist Bundle
.QB2013QuickBooks 2013 File
.INInput File
.PJMxPlan Model
.EXIFExchangeable Image Information File
.USRSmartMusic Custom File
.T13H&R Block 2013 Tax Return
.TDBAndroid Thumbnail Cache
.QUICKEN2015Quicken 2015 Data File
.FCPEVENTFinal Cut Pro Event File
.TDLTab Delineated Format File
.CMACoach Activity File
.ROADTRIPRoad Trip Planner File
.TAX2017TurboTax 2017 Tax Return
.QDFQuicken Data File
.QUICKEN2017Quicken 2017 Data File
.H17H&R Block Canada 2017 Tax Return
.QB2017QuickBooks 2017 for Mac Data File
.OPJUOrigin Unicode Project
.TAX2018TurboTax 2018 Tax Return
.TA8TaxAct 2018 Tax Return File
.QFXQuicken Financial Exchange File
.LIVEUPDATESymantec LiveUpdate File
.OEACCOUNTWindows Mail Account File
.UWLUser Word List File
.PDXAdobe Acrobat Index File
.WB3Corel Quattro Pro 7 and 8 File
.PRJProject File
.IIIconWorkshop Extended Information File
.SPVSPSS Output Document
.DMSPPhotoSuite Project File
.OFXOpen Financial Exchange File
.OUTOutput File
.T09At Home 2009 Tax Return
.EPWEnergyPlus Weather Data File
.BLDEnvisioneer Building Project File
.VDXVisio Drawing XML File
.3DR3DMark Results File
.VXMLVoiceXML File
.XDBSymantec Virus Database File
.SCANorton AntiVirus Scan File
.ESXXactimate Insurance Claims Estimate
.XLTExcel Template
.KISMACKisMAC Webservice File
.QIFQuicken Interchange Format File
.ZAPZoneAlarm Pro Data File
.RODZAncestry Genealogical Database File
.TWHTask Wheel Project File
.SHWCorel Presentation
.SGMLStandard Generalized Markup Language File
.IVTBeyond 20/20 Table File
.TPFTransit NXT Pack Translation File
.XLCExcel Chart
.OFTOutlook File Template
.KTHKeynote Theme
.BOXE-mail Mailbox
.CDFCommon Data Format
.CDXCompound Index File
.WB2Corel Quattro Pro File
.MDXMultiple Index File
.MTWMinitab Worksheet File
.INXCompiled Script
.NITFNational Imagery Transmission Format File
.EGPEasy Grade Pro Gradebook File
.WPCWordPad Converter File
.TCCTimeCalc Classic Data File
.SUBSubtitle File
.OMPOffice Manager Document Archive
.OTPOpenDocument Presentation Template
.RTERevit Project Template
.HCRHydroCAD Rainfall Curve Data File
.JOINEDHJ-Split Data File
.DCFDocument Computation Format
.QPBQuickBooks Point of Sale Data File
.JASPERJasperReports Data File
.PTNPaperPort Thumbnail File
.SCDTurboTax Tax Schedule List
.LMXLandmark Exchange File
.TXFTax Exchange Format
.CRTXOffice 2007 Chart Template File
.UPOIiGO Points of Interest File
.LSLLightScribe Label
.SLKSymbolic Link File
.MNOMacromedia Design Note
.NPLNokia Playlist File
.PXLPocket Excel File
.AAMAuthorware Map File
.LIXLogos Library System File
.LSFLogos Library System File
.EVEchoview File
.HYVTeam Manager Meet Event File
.Q08QuickTax 2008 Tax Return
.RFARevit Family File
.DVOCook'n Cookbook File
.TDMLabVIEW Binary Measurement File
.GRVOffice Groove File
.INPAbaqus Input File
.WNKWink Presentation
.FTWFamily Tree Maker File
.OO3OmniOutliner 3 File
.PHBMotorola Phone Book File
.ANMEAnime Studio Document
.IXBUlead Disc Image
.MTHDerive Math File
.OBJRelocatable Object Code
.AFTAncestry.com Family Tree Database
.CVDClamAV Virus Definitions File
.OPXOrgPlus Org Chart
.KAPBSB Chart Image File
.WGTXNBC Synaptic Weights File
.WGTIMPS Data File
.ADXApproach Index File
.DIISummation Batch Load File
.EMLXPARTMail Message Attachment
.NRLAutonomy Interwoven Link File
.TEFTablEdit Tablature
.XMLPERLeCroy Binary Waveform File
.CTFWhereIsIt Catalog File
.PTBPower Tab File
.IDXHMI Historical Log Index File
.LGHHMI Historical Log File
.XPTSAS Transport File
.RTENavigation Route
.IMTMy Time Data File
.OVAOpen Virtual Appliance
.MMPMindManager Mind Map
.MMPMaster Album Maker Project
.TKFLTKLinks Saver Favorite Links File
.JRXMLJasperReports Layout File
.ABYAOL Address Book File
.FROdBASE IV Compiled Report
.EMBWilcom Embroidery Design File
.PPSMPowerPoint Open XML Macro-Enabled Slide Show
.POTXPowerPoint Open XML Presentation Template
.POTMPowerPoint Open XML Macro-Enabled Presentation Template
.STYKZStykz Animation
.TOPCTopicCrunch Project File
.XFTAdobe Form Designer 5.0 File
.FDBArt Explosion Catalog
.NPPortfolio NetPublish File
.NPTPortfolio NetPublish Template
.STYKStykz Stick Figure
.HDAHotDocs Auto-Assemble File
.POIMagellan Maestro Point of Interest File
.TETTextease CT Template
.STPAnalysis Studio Project Information File
.WEAEcotect Weather File
.RFORoboForm Option File
.TBLStarCraft Information Table
.PD4Windows Live Photo Gallery Information File
.AB3PhotoImpact 3 Album File
.SQSysquake Program
.SQDSQ Data File
.BINGeneric Binary File
.BKFrameMaker Book File
.MBXOutlook Express Mailbox
.RNQRenque Model File
.MDLRational Rose Model File
.SDSOpenOffice.org Chart
.INKMimio Ink Data File
.TFATreeSoft CashFlow Analysis Data File
.GSGemStone Document
.MDCMulti Dimension Cube File
.OTLNOpal Outline File
.BCMBusiness Contact Manager File
.SPUBDisc Cover File
.TRDTrID Definitions Package
.CKTCircuitMaker File
.NETnetViz Project File
.MMAPMindManager Map File
.MWSMaple Classic Worksheet
.SQRSQL Program File
.MDFMeasurement Data Format File
.STAABAQUS Status File
.FSCPractical Scriptwriter File
.MBGMailbag Assistant Mailbox File
.MBGMicrosoft Mailbag
.MAIMicrosoft Mail File
.MNCMy Notes Center Notebook
.PPFTransit NXT Pack Project File
.RGORepliGo File
.FLOiGrafx FlowCharter File
.MLSMilestones Simplicity File
.PXFTransit XV Pack Project File
.IGCAnime List Builder Input File
.RDBN64 ROM Database
.IIFIntuit Interchange Format File
.HCEHydroCAD Hydrograph Data File
.HUHHydroCAD Unit Hydrograph Definitions File
.HCIHydroCAD IDF Data File
.MFOPerl ModInfo Descriptor File
.SNAPFIRESHOWCorel SnapfireShow File
.TSTTestPoint Test File
.BTMBizTalk Map File
.ITLiTunes Library File
.ODXBizTalk Server Orchestration File
.ISFInspiration Flowchart Document
.LGIMultimedia Logic File
.ABCDAudioVisual Book Data File
.LP7LP7 Digitally Signed File
.KPRKPresenter Presentation
.QRPQuickReport File
.EXPExport File
.DDCDivX Descriptor File
.DDCXDivX Descriptor 2 File
.XLFXLIFF Document
.BCIBelarc Advisor Report File
.FOPInfoZoom Protected Data File
.FOXInfoZoom Data File
.DAMDeltaMaster Analysis Model
.DASDeltaMaster Analysis Session
.FLPActivPrimary Flipchart File
.KIDKidspiration Document
.DM2Toad Data Modeler 2 File
.GCGraphClick File
.PDASPDAStore Data Store File
.VOKPocketVok Vocabulary File
.ULZUSBlyzer Data Capture File
.OPXFlipAlbum Photo Album File
.ER1ERWin Entity Relationship Diagram
.JEFJanome Embroidery Format
.ZMCZoneAlarm Quarantine File
.LCMLipikar Custom Map File
.PDSPlanetary Data System File
.CSAPNA Code Calset File
.SWKStudyWorks Save File
.EBUILDPortage eBuild Script
.PDXProduct Data eXchange File
.PKBOracle Package Body File
.PKSOracle Package Spec File
.PKHOracle Package File
.TXDGame Texture Dictionary
.I5ZIUCLID 5 Import/Export File
.HLHeuristicLab Storage File
.EXXIBM Linkway MsgPut File
.FOBDynamics NAV Object Container File
.ULFUniversal List File
.WJRReGet Deluxe Data File
.NDKLotus Notes Design Elements File
.ITXITX Form Template
.MMCMicrosoft Media Catalog
.PCBPrinted Circuit Board Design File
.SENSenTest Data File
.ZDCCD Catalog Expert Database File
.PRJAIMMS Project File
.CAPPacket Capture File
.VCDValue Change Dump File
.XEMPowerDesigner Model definition File
.TBTabbery Tab File
.BJOTabRite Tablature File
.GRKGradekeeper Class Gradebook File
.GRRGradekeeper Class Roster File
.GWKGraphiCode PCB Job File
.OFCOpen Financial Connectivity File
.RSCSymbian Application Compiled Resource File
.BGLBabylon Glossary File
.SLPSisulizer Project File
.SLESisulizer Package File
.TTKCatalyst Translation Toolkit
.4DV4D View Ultrasound File
.CNACatena Project File
.ONEOneNote Document
.QMBLLabQuest Document
.SEOSEO Note File
.GEDCOMGEDCOM Genealogy File
.ACCGraphics Accounts Data File
.BGTGraphics Accounts Data File
.VILabVIEW Virtual Instrument File
.DSYDirectory Synchronizer Project File
.DSZOrchida (OES) Embroidery File
.MDMHLM Multivariate Data Matrix File
.RODActuate Report Object Design File
.RCGRecog Character Recognition Set
.DVDPROJiDVD Project File
.ABPAVS Barcode Profile
.DWIDance With Intensity Song File
.AIFBAIF Builder Project File
.T05TaxCut 2005 Tax Return
.T06TaxCut 2006 Tax Return
.T07TaxCut 2007 Tax Return
.HSTHistory File
.CLMMagicJack Call Log File
.PTFScrapbook Flair Template
.LDIFLDAP Data Interchange Format File
.PRSHarvard Graphics Presentation
.ALDDynamics AX Application Label Data File
.PD5Windows Live Photo Gallery Information File
.ALIDynamics AX Label Index File
.XPGAutoplay Media Studio Exported Page
.CVNCineVision Encoding Session
.FHCFHC Data File
.PAFPersonal Ancestral File
.MOSAICMacOSaiX Mosaic File
.VCEVisual CertExam Exam File
.DOCKZIPObjectDock File
.TDTTHOR Data Tree File
.SDPSession Description Protocol File
.TPBGROMACS Binary Input File
.KPXKid Pix Picture
.KPPKid Pix Presentation
.IPIconPackager Theme File
.GTPGuitar Pro File
.Q09QuickTax 2009 Tax Return
.VRDVisio Report Definition File
.VSXVisio Stencil XML File
.VTXVisio Template XML File
.GNOGenoPro Genealogy Tree File
.LVMLabVIEW Measurement File
.RPPREAPER Project File
.PKAPacket Tracer Activity File
.PKTPacket Tracer Network Simulation Model
.GRADEGradeStat Document
.PLWPicoLog Data File
.ONDLotus Notes Encapsulated Memo File
.BLBBlob Data File
.VMTValve Material File
.HMLHostMonitor TestList File
.PDBProtein Data Bank File
.FILFiles List Object File
.DALDVD-lab Project File
.LIXExtendSim Simulation Software Library
.MOXExtendSim Simulation Software Model
.GGBGeoGebra Document
.XRPRationalPlan Project File
.GANGanttProject Project File
.WTBWin-Test Binary Log File
.MEXMacro Express File
.L6TLine 6 Tone File
.TCXTraining Center XML File
.IDXNavigation POI File
.BDICChrome Dictionary File
.JPHJProbe Memory Snapshot
.PHMPro Home Manager Data File
.FFWPFormsForWeb Packet
.PMOBroderbund Print Meta Object File
.DCMDiskCatalogMaker Catalog File
.DCMDDiskCatalogMaker Thumbnail-Enabled Catalog
.DBDDemoShield Project
.PODOpenProj Project File
.VCSvCalendar Event File
.GBRGerber File
.DRLGerber Drill Rack File
.ROUGerber Route File
.BRWCalyx Point Borrower File
.RALWinRail Track Design File
.LMSLenMus Score File
.ITMiThink Model File
.LBLNiceLabel Template File
.XMCDMathcad Worksheet File
.KPFKomodo Project File
.KPZKomodo Template File
.TRAWinTrack Railroad Track File
.TRSWinTrack Railroad Track Text File
.TE3WinTrack Object File
.CELTXCeltx Project File

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