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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
.SDFStandard Data File
.KEYCHAINMac OS X Keychain File
.TAX2016TurboTax 2016 Tax Return
.MPPMicrosoft Project File
.PFCAOL Personal File Cabinet
.PSTOutlook Personal Information Store File
.SPSSPSS Program File
.LIBGeneric Data Library
.TSVTab Separated Values File
.MMathematica Input File
.HDFHierarchical Data Format File
.NDXdBASE Index File
.WABWindows Address Book
.ODPOpenDocument Presentation
.RPTCrystal Reports File
.TBKToolBook File
.QBWQuickBooks Data File
.XSLXML Style Sheet
.XSLTXSL Transformation File
.SAVSPSS Data File
.DIFData Interchange Format
.TMXTranslation Memory Exchange File
.PPTMPowerPoint Open XML Macro-Enabled Presentation
.PPSXPowerPoint Open XML Slide Show
.TRSRosetta Stone Language Data File
.FDBPortfolio Catalog
.MDLMathWorks Simulink Model
.GRFDPlot Graph File
.MPXMicrosoft Project Exchange File
.MCDMathcad Document
.STMExchange Streaming Media File
.EXIFExchangeable Image Information File
.QDFQuicken Data File
.QFXQuicken Financial Exchange File
.PRJProject File
.OFXOpen Financial Exchange File
.VDXVisio Drawing XML File
.VXMLVoiceXML File
.ADTACT! Document Template
.OVFOpen Virtualization File
.SPVSPSS Output Document
.EPWEnergyPlus Weather Data File
.RVTRevit Project File
.MWMaple Worksheet
.ANMEAnime Studio Document
.NOTNotation File
.JNTWindows Journal File
.CONTACTWindows Contact File
.EFXeFax Document
.JRPRINTJasperReports Print File
.LIVEUPDATESymantec LiveUpdate File
.OEACCOUNTWindows Mail Account File
.UCCAPILOGMicrosoft UCC API Log File
.UWLUser Word List File
.WINDOWSLIVECONTACTWindows Live Contacts File
.PDXAdobe Acrobat Index File
.PTZE-Transcript Bundle File
.WB3Corel Quattro Pro 7 and 8 File
.IIIconWorkshop Extended Information File
.MWFMapGuide Author Map Window File
.ID2Windows Live Messenger Emoticon File
.MENCWindows Mobile Encrypted File
.TAX2009TurboTax 2009 Tax Return
.AWAnswer Wizard File
.BLGWindows Binary Performance Log File
.PCRPCMark Vantage Benchmark File
.GPIGarmin Point of Interest File
.OUTOutput File
.T08TaxCut 2008 Tax Return
.T09At Home 2009 Tax Return
.METeMule Resource File
.BLDEnvisioneer Building Project File
.3DR3DMark Results File
.VDBSymantec Virus Database File
.XDBSymantec Virus Database File
.JDBSymantec Endpoint Protection Update File
.TRKCompeGPS Land Track File
.PPFEdgecam Pathtrace Part File
.DMSPPhotoSuite Project File
.WDFWorkshare Compare DeltaFile
.NBPMathematica Player Notebook File
.FXPAdobe Flex Project File
.KDCKaspersky Virus Database File
.BVPVodaHost BlueVoda Project File
.QB2009QuickBooks 2009 File
.SNAGSnagIt Capture File
.SVFSerial Vector Format File
.XFDFAdobe Acrobat XFDF File
.ROXRoxio Project File
.SDFStructure Data File
.TAX2010TurboTax 2010 Tax Return
.SC45SuperCard Project File
.T10At Home 2010 Tax Return
.XPJRoboHelp HTML Project File
.TWBTableau Workbook File
.TT10TurboTax Canada 2010 Tax Return
.CUBAnalysis Services Cube File
.QVWQlikView Document
.CDXChemDraw Exchange File
.CELAffymetrix Probe Results File
.GCWMicrosoft Mathematics Worksheet
.ENEXEvernote Archive
.RPAxure RP Project File
.VDFAntiVir Virus Definitions File
.QB2011QuickBooks 2011 File
.QB2012QuickBooks 2012 File
.TAX2011TurboTax 2011 Tax Return
.IBAiBooks Author Document
.ITMSPiTunes Store Package
.U10UFile 2010 Tax Return
.T11At Home 2011 Tax Return
.ENLEndNote Library
.ADCPAdobe Device Central Project File
.NCORXAdobe Encore Project
.CLPCrazyTalk Clip File
.EDIElectronic Data Interchange File
.TT12TurboTax Canada 2012 Tax Return
.T12At Home 2012 Tax Return
.QUICKENDATAQuicken Essentials for Mac Data File
.PCAPNGPcap-NG Packet Capture File
.IMASage ACT! Email Message
.SLXMathWorks Simulink Model File
.DSBWondershare DVD Slideshow Builder Project
.H12At Home Canada 2012 Tax Return
.MCDXMathcad Prime Document
.PJ2xPlan Document
.PRO5PLXProPresenter 5 Playlist Bundle
.QB2013QuickBooks 2013 File
.QB2014QuickBooks 2014 File
.INInput File
.PJMxPlan Model
.MMFMeal-Master Recipe File
.MJKQuestion File
.USRSmartMusic Custom File
.TAX2013TurboTax 2013 Tax Return
.T13H&R Block 2013 Tax Return
.TDBAndroid Thumbnail Cache
.TT13TurboTax Canada 2013 Tax Return
.QUICKEN2015Quicken 2015 Data File
.MPHPhotostory Deluxe Project
.FCPEVENTFinal Cut Pro Event File
.H13H&R Block Canada 2013 Tax Return
.FMCFormConnect Form File
.MDJStarUML Model File
.CAPTCapito Data File
.CMACoach Activity File
.GDTgretl Datafile
.ROADTRIPRoad Trip Planner File
.XDNADNA Strider Sequence File
.MDSXMEGA Saved Session
.TAX2015TurboTax 2015 Tax Return
.FCSFlow Cytometry Standard File
.TA6TaxAct 2016 Tax Return File
.T16H&R Block 2016 Tax Return
.H16H&R Block Canada 2016 Tax Return
.TT16TurboTax Canada 2016 Tax Return
.QUICKEN2017Quicken 2017 Data File
.QMTFQuicken Mac Transfer File
.PABPersonal Address Book
.SCANorton AntiVirus Scan File
.XLTExcel Template
.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
.XLCExcel Chart
.GRAMicrosoft Graph File
.CWKClarisWorks Document
.POTPowerPoint Template
.OFTOutlook File Template
.KTHKeynote Theme
.BOXE-mail Mailbox
.CDFCommon Data Format
.CDXCompound Index File
.MDXMultiple Index File
.INXCompiled Script
.NITFNational Imagery Transmission Format File
.OTPOpenDocument Presentation Template
.SXIStarOffice Impress Presentation
.XDPXML Data Package
.QPBQuickBooks Point of Sale Data File
.SCDTurboTax Tax Schedule List
.TXFTax Exchange Format
.LIXLogos Library System File
.LSFLogos Library System File
.EVEchoview File
.INPAbaqus Input File
.WNKWink Presentation
.FTWFamily Tree Maker File
.OO3OmniOutliner 3 File
.MTHDerive Math File
.OBJRelocatable Object Code
.AFTAncestry.com Family Tree Database
.PCAPPacket Capture Data
.QDFMQuicken Data File (Macintosh)
.HDLHotDocs Library File
.BOKTestGen Testbank File
.DBFFoxPro Table
.FLLFoxPro Dynamic-Link Library
.OABOffline Address Book
.LLBLabVIEW Library File
.EMDChessBase Tablebase
.NETANetica Binary File
.UVFUncertain Value Format
.RGEEntourage File Archive
.3DT3D Topicscape File
.EAPEnterprise Architect Project
.OPXOrgPlus Org Chart
.WGTXNBC Synaptic Weights File
.WGTIMPS Data File
.ADXApproach Index File
.DIISummation Batch Load File
.EMLXPARTMail Message Attachment
.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
.MMPMindManager Mind Map
.MMPMaster Album Maker Project
.TKFLTKLinks Saver Favorite Links 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
.TOPCTopicCrunch Project File
.XFTAdobe Form Designer 5.0 File
.FDBArt Explosion Catalog
.NPPortfolio NetPublish File
.NPTPortfolio NetPublish Template
.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
.MDCMulti Dimension Cube File
.GMSGesture and Motion Signal File
.OTLNOpal Outline File
.BCMBusiness Contact Manager File
.SPUBDisc Cover File
.TRDTrID Definitions Package
.CKTCircuitMaker File
.NETnetViz Project File
.MMAPMindManager Map File
.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
.RGORepliGo File
.FLOiGrafx FlowCharter File
.MLSMilestones Simplicity File
.IGCAnime List Builder Input File
.RDBN64 ROM Database
.IIFIntuit Interchange Format File
.SARSibelius Arrange Style
.XFOXSL-FO Formatted Form
.FLTFlight Simulator Saved Flight
.AWGActiveworlds Object Group File
.XPJMicro Planner X-Pert Project File
.MNKMy Notes Keeper Notebook
.MMFreeMind Mind Map
.STRdBASE Structure List Object File
.ITNTomTom Navigator Itinerary File
.TFDTape Format Requirements Document
.PSAPhotoshop Album Catalog File
.PP2PingPlotter Data File
.AB1DNA Electropherogram File
.SCFDNA Sequence Chromatogram File
.ABIDNA Chromatogram File
.FAFASTA Formatted Sequence File
.FASTAFASTA Sequence File
.PEXMerak Peep Data File
.STKStickfigure Animator File
.FLAMEFractal Flames File
.JUDEJUDE Project File
.TJPTaskJuggler Project File
.NMINDNovaMind Mind Map File
.IROCKintelliRock Sensor Data File
.CTTMessenger Contact List
.SHXShapefile Index File
.MDMoneydance Financial Data File
.LCDABBYY Language File
.GCXGrapher Graph File
.MC1MedCalc Data File
.CYOClustify Output File
.S85Sabre Airline Solutions Chart
.SKVSemicolon Separated Values File
.SKXXLANG Schedule File
.BRDEAGLE Circuit Board File
.SCHEAGLE Schematics File
.VSCONTENTVisual Studio Content File
.RSWR&R SQL Report Writer Report File
.MFOPerl ModInfo Descriptor 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
.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
.JEFJanome Embroidery Format
.LCMLipikar Custom Map File
.PDSPlanetary Data System File
.CSAPNA Code Calset File
.SWKStudyWorks Save File
.EBUILDPortage eBuild Script
.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
.ZDCCD Catalog Expert Database File
.PRJAIMMS Project File
.CAPPacket Capture File
.VCDValue Change Dump File
.XEMPowerDesigner Model definition File
.TBTabbery Tab File
.GRKGradekeeper Class Gradebook File
.GRRGradekeeper Class Roster File
.GWKGraphiCode PCB Job File
.OFCOpen Financial Connectivity File
.BGLBabylon Glossary File
.SLPSisulizer Project File
.SLESisulizer Package File
.TTKCatalyst Translation Toolkit
.4DV4D View Ultrasound File
.ONEOneNote 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
.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
.PTFScrapbook Flair Template
.LDIFLDAP Data Interchange Format File
.PRSHarvard Graphics Presentation
.ALDDynamics AX Application Label Data File
.ALIDynamics AX Label Index File
.XPGAutoplay Media Studio Exported Page
.CVNCineVision Encoding Session
.MPTMicrosoft Project Template
.FHCFHC Data File
.MOSAICMacOSaiX Mosaic File
.VCEVisual CertExam Exam File
.DOCKZIPObjectDock File
.SDPSession Description Protocol File
.TPBGROMACS Binary Input File
.KPXKid Pix Picture
.KPPKid Pix Presentation
.IPIconPackager Theme File
.GTPGuitar Pro File
.VRDVisio Report Definition File
.VSXVisio Stencil XML File
.VTXVisio Template XML 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 Database File
.IDXNavigation POI File
.BDICChrome Dictionary File
.JPHJProbe Memory Snapshot
.PHMPro Home Manager Data File
.FFWPFormsForWeb Packet
.DCMDiskCatalogMaker Catalog File
.DCMDDiskCatalogMaker Thumbnail-Enabled Catalog
.DBDDemoShield Project
.PODOpenProj Project File
.VCSvCalendar Event File
.GBRGerber File
.DRLGerber Drill Rack File
.ROUGerber Route File
.RALWinRail Track Design File
.LMSLenMus Score File
.ITMiThink Model 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
.DFPROJDVD Flick Project
.RETBusinessObjects Template
.PCPersonal Composer File
.FLORFFlow Flowchart File
.LW4Lightwright File
.TAX2008TurboTax 2008 Tax Return
.OTLNoteTab Outline File
.PXJRecordNow Project
.DPNDepiction Data File
.TDAPalm To-Do File
.TDAJava Application Thread Dump
.DFMMidas ViewPoint Display Form
.TXAMidas ViewPoint Text Array List
.DTRDATroniC Data Recording
.DCFDocument Computation Format
.ER1ERWin Entity Relationship Diagram
.UPOIiGO Points of Interest File
.OVAOpen Virtual Appliance
.LSLLightScribe Label
.OMPOffice Manager Document Archive
.MNOMacromedia Design Note
.STYKZStykz Animation
.CNACatena Project File
.NPLNokia Playlist File
.STYKStykz Stick Figure
.HDAHotDocs Auto-Assemble File
.TETTextease CT Template

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