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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
.OTLNOpal Outline File
.KPRKPresenter Presentation
.PRSHarvard Graphics Presentation
.VMTValve Material File
.HDFHierarchical Data Format File
.CUBAnalysis Services Cube File
.SQRSQL Program File
.AIFBAIF Builder Project File
.LIXLogos Library System File
.FLORFFlow Flowchart File
.LDIFLDAP Data Interchange Format File
.NBPMathematica Player Notebook File
.DIFData Interchange Format
.BLDEnvisioneer Building Project File
.MDLMathWorks Simulink Model
.RSVRSView32 Project File
.FCPEVENTFinal Cut Pro Event File
.NCORXAdobe Encore Project
.H12At Home Canada 2012 Tax Return
.NOTNotation File
.ZMCZoneAlarm Quarantine File
.TXDGame Texture Dictionary
.EDIElectronic Data Interchange File
.TDBAndroid Thumbnail Cache
.XEMPowerDesigner Model definition File
.BGTGraphics Accounts Data File
.NITFNational Imagery Transmission Format File
.EGPEasy Grade Pro Gradebook File
.KPFKomodo Project File
.H13H&R Block Canada 2013 Tax Return
.MENCWindows Mobile Encrypted File
.FLTFlight Simulator Saved Flight
.VCSvCalendar Event File
.BINGeneric Binary File
.DATData File
.PPSMMicrosoft PowerPoint Macro-Enabled Show
.PRJAIMMS Project File
.METeMule Resource File
.001Split Archive File
.PPTXMicrosoft PowerPoint Presentation
.PPTMicrosoft PowerPoint Presentation (Legacy)
.CELAffymetrix Probe Results File
.NETnetViz Project File
.XFTAdobe Form Designer 5.0 File
.WJRReGet Deluxe Data File
.TAX2010TurboTax 2010 Tax Return
.MPKTMOPEKS Trial File
.PJ2xPlan Document
.SEOSEO Note File
.MMCMicrosoft Media Catalog
.TBLStarCraft Information Table
.TT12TurboTax Canada 2012 Tax Return
.CLPCrazyTalk Clip File
.ADXApproach Index File
.HLHeuristicLab Storage File
.ROADTRIPRoad Trip Planner File
.EBUILDPortage eBuild Script
.TOPCTopicCrunch Project File
.TA9TaxAct 2019 Tax Return File
.UWLUser Word List File
.GEDCOMGEDCOM Genealogy File
.DM2Toad Data Modeler 2 File
.QUICKENDATAQuicken Essentials for Mac Data File
.TMXTranslation Memory Exchange File
.VOKPocketVok Vocabulary File
.PRDXPresentations Document
.PRO6PLXProPresenter 6 Playlist Bundle
.MOSAICMacOSaiX Mosaic File
.STYKStykz Stick Figure
.T12At Home 2012 Tax Return
.DRLGerber Drill Rack File
.H17H&R Block Canada 2017 Tax Return
.WTBWin-Test Binary Log File
.TRDTrID Definitions Package
.PLWPicoLog Data File
.AWAnswer Wizard File
.CAPTCapito Data File
.TT20TurboTax Canada 2020 Tax Return
.DVOCook'n Cookbook File
.GTPGuitar Pro File
.XDNADNA Strider Sequence File
.T20H&R Block 2020 Tax Return
.SQSysquake Program
.ADTACT! Document Template
.JASPERJasperReports Data File
.T08TaxCut 2008 Tax Return
.DVDPROJiDVD Project File
.FSCPractical Scriptwriter File
.HYVTeam Manager Meet Event File
.KDCKaspersky Virus Database File
.T05TaxCut 2005 Tax Return
.QB2017QuickBooks 2017 for Mac Data File
.ALDDynamics AX Application Label Data File
.ALIDynamics AX Label Index File
.GGBGeoGebra Worksheet
.MDFMeasurement Data Format File
.BLGWindows Binary Performance Log File
.PCBPrinted Circuit Board Design File
.EXXIBM Linkway MsgPut File
.CDXCompound Index File
.ENLEndNote Library
.BDICChrome Dictionary File
.CONTACTWindows Contact File
.MLSMilestones Simplicity File
.JEFJanome Embroidery Format
.HSTHistory File
.VDFAntiVir Virus Definitions File
.SNAGSnagIt Capture File
.CAVComodo Virus Definitions File
.I5ZIUCLID 5 Import/Export File
.WDFWorkshare Compare DeltaFile
.PCPersonal Composer File
.TRKCompeGPS Land Track File
.TCCTimeCalc Classic Data File
.PPSMicrosoft PowerPoint Slide Show (Legacy)
.RBTLEGO MINDSTORMS NXT Program
.OVAOpen Virtual Appliance
.POTMMicrosoft PowerPoint Macro-Enabled Presentation Template
.AAMAuthorware Map File
.BCMBusiness Contact Manager File
.WGTIMPS Data File
.RGORepliGo File
.ROXRoxio Project File
.RALWinRail Track Design File
.JPHJProbe Memory Snapshot
.FILFiles List Object File
.OVFOpen Virtualization File
.Q08QuickTax 2008 Tax Return
.WABWindows Address Book
.INKMimio Notebook
.RFARevit Family File
.IPIconPackager Theme File
.GRFDPlot Graph File
.TAX2016TurboTax 2016 Tax Return
.PDXAdobe Acrobat Index File
.QRPQuickReport File
.TARConsolidated Unix File Archive
.OO3OmniOutliner 3 File
.XLCMicrosoft Excel Chart
.ZAPZoneAlarm Pro Data File
.RFORoboForm Option File
.VXMLVoiceXML File
.DOCKZIPObjectDock File
.NDXdBASE Index File
.VSXVisio Stencil XML File
.LMSLenMus Score File
.RVTRevit Project File
.GRADEGradeStat Document
.ABYAOL Address Book File
.PABPersonal Address Book
.QUICKEN2015Quicken 2015 Data File
.LIBGeneric Data Library
.FDBPortfolio Catalog
.KEYCHAINMac OS X Keychain File
.PHOTOSLIBRARYPhotos Library
.PKAPacket Tracer Activity File
.PDXProduct Data eXchange File
.CKTCircuitMaker File
.PFCAOL Personal File Cabinet
.XLFXLIFF Document
.ACCGraphics Accounts Data File
.XMLXML File
.FOXInfoZoom Data File
.TAX2018TurboTax 2018 Tax Return
.SAVSPSS Data File
.JNTWindows Journal File
.PKTPacket Tracer Network Simulation Model
.Q09QuickTax 2009 Tax Return
.FPSLFileMaker Pro Snapshot Link
.TRAWinTrack Railroad Track File
.PHBMotorola Phone Book File
.MDLRational Rose Model File
.QPBQuickBooks Point of Sale Data File
.LIVEREGSymantec Antivirus Session File
.DSZOrchida (OES) Embroidery File
.TTKCatalyst Translation Toolkit
.OFCOpen Financial Connectivity File
.IMTMy Time Data File
.EMLXPARTMail Message Attachment
.DAMDeltaMaster Analysis Model
.FDBArt Explosion Catalog
.NPPortfolio NetPublish File
.WPCWordPad Converter File
.IIFIntuit Interchange Format File
.MBGMicrosoft Mailbag
.PXLPocket Excel File
.PXJRecordNow Project
.TAX2009TurboTax 2009 Tax Return
.QMTFQuicken Mac Transfer File
.MWFMapGuide Author Map Window File
.T10At Home 2010 Tax Return
.FCSFlow Cytometry Standard File
.U10UFile 2010 Tax Return
.PCRPCMark Vantage Benchmark File
.XLTMicrosoft Excel Spreadsheet Template (Legacy)
.PTFScrapbook Flair Template
.OPJUOrigin Unicode Project
.RSCSymbian Application Compiled Resource File
.VDBSymantec Virus Database File
.UCCAPILOGMicrosoft UCC API Log File
.IDXNavigation POI File
.OBJRelocatable Object Code
.SXIStarOffice Impress Presentation
.PPFEdgecam Pathtrace Part File
.POIMagellan Maestro Point of Interest File
.GRAMicrosoft Graph File
.BVPVodaHost BlueVoda Project File
.L6TLine 6 Tone File
.RPTCrystal Reports File
.ODPOpenDocument Presentation
.INPAbaqus Input File
.TSVTab-Separated Values File
.PDBProtein Data Bank File
.SDFStandard Data File
.MAIMicrosoft Mail File
.RETBusinessObjects Template
.RPAxure RP Project File
.MMPMaster Album Maker Project
.NOTEBOOKSMART Notebook File
.PPSXMicrosoft PowerPoint Slide Show
.MNOMacromedia Design Note
.EFXeFax Document
.SVFSerial Vector Format File
.USRSmartMusic Custom File
.3DR3DMark Results File
.OTPOpenDocument Presentation Template
.BGLBabylon Glossary File
.CRTXOffice 2007 Chart Template File
.QDFQuicken Data File
.SLXMathWorks Simulink Model File
.MPXMicrosoft Project Exchange File
.BCIBelarc Advisor Report File
.MATMATLAB MAT-File
.SENSenTest Data File
.XPJRoboHelp HTML Project File
.OEACCOUNTWindows Mail Account File
.MNCMy Notes Center Notebook
.IIIconWorkshop Extended Information File
.SC45SuperCard Project File
.KEYApple Keynote Presentation
.SDSOpenOffice Chart
.XPTSAS Transport File
.TDLTab Delineated Format File
.HDAHotDocs Auto-Assemble File
.DFPROJDVD Flick Project
.DCMDDiskCatalogMaker Thumbnail-Enabled Catalog
.T11At Home 2011 Tax Return
.PKSOracle Package Spec File
.TDTTHOR Data Tree File
.SDPSession Description Protocol File
.UPOIiGO Points of Interest File
.CMACoach Activity File
.T18H&R Block 2018 Tax Return
.RCGRecog Character Recognition Set
.EVEchoview File
.DSYDirectory Synchronizer Project File
.LVMLabVIEW Measurement File
.MYIMySQL MyISAM Index File
.SLPSisulizer Project File
.GWKGraphiCode PCB Job File
.NPLNokia Playlist File
.MTHDerive Math File
.T19H&R Block 2019 Tax Return
.AFTAncestry.com Family Tree Database
.JDBSymantec Endpoint Protection Update File
.OFXOpen Financial Exchange File
.XFDXFD File
.CSVComma-Separated Values File
.PCAPPacket Capture Data
.VCFvCard File
.GSGemStone Document
.ONEOneNote Document
.XRDMLXRDML Data File
.SDFStructure Data File
.CELTXCeltx Project File
.TWBTableau Workbook File
.XPGAutoplay Media Studio Exported Page
.PKBOracle Package Body File
.MPPMicrosoft Project File
.INInput File
.IBAiBooks Author Document
.PAFPersonal Ancestral File
.ANMEAnime Studio Document
.FFWPFormsForWeb Packet
.MJKQuestion File
.GCWMicrosoft Mathematics Worksheet
.PTNPaperPort Thumbnail File
.STMExchange Streaming Media File
.PPTMMicrosoft PowerPoint Macro-Enabled Presentation
.OUTOutput File
.INXCompiled Script
.QVWQlikView Document
.TAX2015TurboTax 2015 Tax Return
.LBLNiceLabel Template File
.ABPAVS Barcode Profile
.QUICKEN2017Quicken 2017 Data File
.MOXExtendSim Simulation Software Model
.FMATFMAT Runfile
.PTZE-Transcript Bundle File
.LCMLipikar Custom Map File
.T13H&R Block 2013 Tax Return
.GRKGradekeeper Class Gradebook File
.TRSWinTrack Railroad Track Text File
.RTERevit Project Template
.QB2013QuickBooks 2013 File
.QB2011QuickBooks 2011 File
.GDTgretl Datafile
.LP7LP7 Digitally Signed File
.EMBWilcom Embroidery Design File
.T07TaxCut 2007 Tax Return
.FLPActivPrimary Flipchart File
.SPSSPSS Program File
.SLKSymbolic Link File
.ADCPAdobe Device Central Project File
.MCDXMathcad Prime Document
.RDBN64 ROM Database
.IDXHMI Historical Log Index File
.PSTOutlook Personal Information Store File
.MMathematica Input File
.XMCDMathcad Worksheet File
.GEDGEDCOM Genealogy Data File
.4DV4D View Ultrasound File
.FOBDynamics NAV Object Container File
.JRPRINTJasperReports Print File
.PMOBroderbund Print Meta Object File
.VOIVOI Group File
.VCEVisual CertExam Exam File
.PDSPlanetary Data System File
.GBRGerber File
.XSLXML Style Sheet
.KPZKomodo Template File
.TBTabbery Tab File
.MMAPMindManager Map File
.MDMHLM Multivariate Data Matrix File
.LSFLogos Library System File
.VCDValue Change Dump File
.TAX2017TurboTax 2017 Tax Return
.QB2014QuickBooks 2014 File
.IMASage ACT! Email Message
.CAPPacket Capture File
.ENEXEvernote Archive
.DCMDiskCatalogMaker Catalog File
.RTENavigation Route
.PRJProject File
.POTXMicrosoft PowerPoint Presentation Template
.EXPExport File
.EXIFExchangeable Image Information File
.MDJStarUML Model File
.TBKToolBook File
.LW4Lightwright File
.TAX2008TurboTax 2008 Tax Return
.PPFTransit NXT Pack Project File
.OTLNoteTab Outline File
.ROUGerber Route File
.CNACatena Project File
.TE3WinTrack Object File
.ID2Windows Live Messenger Emoticon File
.HS2HyperRESEARCH 2 Study File
.OR6Lotus Organizer 6 File
.OMPOffice Manager Document Archive
.PD5Windows Live Photo Gallery Information File
.VRDVisio Report Definition File
.TT10TurboTax Canada 2010 Tax Return
.SCDTurboTax Tax Schedule List
.XRPRationalPlan Project File
.T06TaxCut 2006 Tax Return
.PODOpenProj Project File
.GPIGarmin Point of Interest File
.MWMaple Worksheet
.BJOTabRite Tablature File
.GNOGenoPro Genealogy Tree File
.WEAEcotect Weather File
.MOHOMoho Animation Project
.WINDOWSLIVECONTACTWindows Live Contacts File
.BRWCalyx Point Borrower File
.ITXITX Form Template
.CDXChemDraw Exchange File
.WGTXNBC Synaptic Weights File
.DIISummation Batch Load File
.XFOXSL-FO Formatted Form
.SARSibelius Arrange Style
.TEFTablEdit Tablature
.XMLPERLeCroy Binary Waveform File
.PTBPower Tab File
.RNQRenque Model File
.T16H&R Block 2016 Tax Return
.SQDSQ Data File
.MMFMeal-Master Recipe File
.AB3PhotoImpact 3 Album File
.PD4Windows Live Photo Gallery Information File
.NPTPortfolio NetPublish Template
.FMCFormConnect Form File
.MDSXMEGA Saved Session
.TDMLabVIEW Binary Measurement File
.DASDeltaMaster Analysis Session
.ULFUniversal List File
.EPFEdgecam Educational Part File
.LMXLandmark Exchange File
.PKHOracle Package File
.ITMSPiTunes Store Package
.DSBWondershare DVD Slideshow Builder Project
.SPVSPSS Output Document
.GANGanttProject Project File
.TCXTraining Center XML File
.XFDFAdobe Acrobat XFDF File
.MCDMathcad Document
.QFXQuicken Financial Exchange File
.STAABAQUS Status File
.CTFWhereIsIt Catalog File
.TAX2020TurboTax 2020 Tax Return
.MDXMultiple Index File
.TAX2019TurboTax 2019 Tax Return
.FXPAdobe Flex Project File
.DBDDemoShield Project
.NDKLotus Notes Design Elements File
.TPFTransit NXT Pack Translation File
.XDBSymantec Virus Database File
.ER1ERWin Entity Relationship Diagram
.PHMPro Home Manager Data File
.VILabVIEW Virtual Instrument File
.TAX2013TurboTax 2013 Tax Return
.FTWFamily Tree Maker File
.RPPREAPER Project File
.XSLTXSL Transformation File
.TAX2011TurboTax 2011 Tax Return
.DALDVD-lab Project File
.MPHPhotostory Deluxe Project
.EPWEnergyPlus Weather Data File
.ESXXactimate Insurance Claims Estimate
.SNAPFIRESHOWCorel SnapfireShow File
.CVDClamAV Virus Definitions File
.WB3Corel Quattro Pro 7 and 8 File
.MWSMaple Classic Worksheet
.QIFQuicken Interchange Format File
.QBWQuickBooks Data File
.PCAPNGPcap-NG Packet Capture File
.MBXOutlook Express Mailbox
.MDCMulti Dimension Cube File
.MTWMinitab Worksheet File
.SHWCorel Presentation
.VDXVisio Drawing XML File
.MEXMacro Express File
.LIVEUPDATESymantec LiveUpdate File
.PDASPDAStore Data Store File
.RODActuate Report Object Design File
.GRRGradekeeper Class Roster File
.SGMLStandard Generalized Markup Language File
.T09At Home 2009 Tax Return
.LGHHMI Historical Log File
.PJMxPlan Model
.FLOiGrafx FlowCharter File
.DDCDivX Descriptor File
.QB2012QuickBooks 2012 File
.MMPMindManager Mind Map
.TRSRosetta Stone Language Data File
.TKFLTKLinks Saver Favorite Links File
.TT13TurboTax Canada 2013 Tax Return
.CSAPNA Code Calset File
.VTXVisio Template XML File
.FOPInfoZoom Protected Data File
.IXBUlead Disc Image
.DDCXDivX Descriptor 2 File
.KIDKidspiration Document
.ZDCCD Catalog Expert Database File
.CVNCineVision Encoding Session
.FROdBASE IV Compiled Report
.SPUBDisc Cover File
.PXFTransit XV Pack Project File
.OPXFlipAlbum Photo Album File
.HMLHostMonitor TestList File
.KPXKid Pix Picture
.WNKWink Presentation
.LSLLightScribe Label
.SLESisulizer Package File
.CLMMagicJack Call Log File
.SWKStudyWorks Save File
.ULZUSBlyzer Data Capture File
.QB2009QuickBooks 2009 File
.ONDLotus Notes Encapsulated Memo File
.TFATreeSoft CashFlow Analysis Data File
.GRVOffice Groove File
.GCGraphClick File
.WB2Corel Quattro Pro File
.DWIDance With Intensity Song File
.XPJMicro Planner X-Pert Project File
.MBGMailbag Assistant Mailbox File
.TPBGROMACS Binary Input File
.KPPKid Pix Presentation
.IGCAnime List Builder Input File
.DMSPPhotoSuite Project File
.BLBBlob Data File
.LIXExtendSim Simulation Software Library
.TETTextease CT Template
.TXFTax Exchange Format
.FOXSL-FO Form
.ITMiThink Model File
.IVTBeyond 20/20 Table File
.AWGActiveworlds Object Group File
.STPAnalysis Studio Project Information File
.FHCFHC Data File

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