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
.MS10Multisim 10 Circuit Design File
.BDCBabylon Dictionary File
.LDFSQL Server Transaction Log File
.HYVTeam Manager Meet Event File
.MDLMathWorks Simulink Model
.VMTValve Material File
.TXDGame Texture Dictionary
.XEMPowerDesigner Model Definition File
.BLDEnvisioneer Building Project File
.NITFNational Imagery Transmission Format File
.PPTXMicrosoft PowerPoint Presentation
.NRLAutonomy Interwoven Link File
.RSVRSView32 Project File
.METeMule Resource File
.TDBAndroid Thumbnail Cache
.PPSMMicrosoft PowerPoint Macro-Enabled Show
.DATData File
.OBBAndroid Opaque Binary Blob File
.H13H&R Block Canada 2013 Tax Return
.QUICKENDATAQuicken Essentials for Mac Data File
.HDFHierarchical Data Format (Version 4)
.T20H&R Block 2020 Tax Return
.PRDXPresentations Document
.TAX2010TurboTax 2010 Tax Return
.KDCKaspersky Virus Database File
.TAX2024TurboTax 2024 Tax Return
.TT24TurboTax Canada 2024 Tax Return
.QB2017QuickBooks 2017 for Mac Data File
.NCORXAdobe Encore Project
.H17H&R Block Canada 2017 Tax Return
.NOTNotation File
.CAPTCapito Data File
.TA9TaxAct 2019 Tax Return File
.IGCInternational Gliding Commission Data File
.KTHKeynote Theme
.AZZAZZ Cardfile Database File
.POIMagellan Maestro Point of Interest File
.STYKStykz Stick Figure
.TOPCTopicCrunch Project File
.XFTAdobe Form Designer 5.0 File
.SQSysquake Program
.SQRSQL Program File
.FSCPractical Scriptwriter File
.RGORepliGo File
.GLSBabylon Glossary File
.ABCDAudioVisual Book Data File
.KPRKPresenter Presentation
.DM2Toad Data Modeler 2 File
.VOKPocketVok Vocabulary File
.EBUILDPortage eBuild Script
.WJRReGet Deluxe Data File
.MMCMicrosoft Media Catalog
.BGTGraphics Accounts Data File
.AIFBAIF Builder Project File
.T05TaxCut 2005 Tax Return
.LDIFLDAP Data Interchange Format File
.ALDDynamics AX Application Label Data File
.MOSAICMacOSaiX Mosaic File
.PLWPicoLog Data File
.WTBWin-Test Binary Log
.DRLGerber Drill Rack File
.RALWinRail Track Design File
.PPTMicrosoft PowerPoint Presentation (Legacy)
.GGBGeoGebra Worksheet
.PRSHarvard Graphics Presentation
.LOCGPS Location File
.BINGeneric Binary File
.ADTACT! Document Template
.CWKClarisWorks Document
.TMXTranslation Memory Exchange File
.CELAffymetrix Probe Results File
.MDFMeasurement Data Format File
.BDICChrome Dictionary File
.MENCWindows Mobile Encrypted File
.FCPEVENTFinal Cut Pro Event File
.DIFData Interchange Format
.LCMLipikar Custom Map File
.JEFJanome Embroidery Format File
.OPXOrgPlus Org Chart
.OTLNOpal Outline File
.MLSMilestones Simplicity File
.TBLStarCraft Information Table
.CDXCompound Index File
.TCCTimeCalc Classic Data File
.EXXIBM Linkway MsgPut File
.CONTACTWindows Contact File
.EDIElectronic Data Interchange File
.PCPersonal Composer File
.VCSvCalendar Event
.PKAPacket Tracer Activity File
.OVFOpen Virtualization File
.ALIDynamics AX Label Index File
.NETnetViz Project File
.PPSMicrosoft PowerPoint Slide Show (Legacy)
.RFARevit Family File
.ROXRoxio Project File
.CLPCrazyTalk Clip File
.TRKCompeGPS Land Track File
.ZMCZoneAlarm Quarantine File
.OPJUOrigin Unicode Project
.AAMAuthorware Map File
.CKTCircuitMaker File
.PHOTOSLIBRARYPhotos Library
.OVAOpen Virtual Appliance
.ODPOpenDocument Presentation
.VDFAntiVir Virus Definitions File
.T12At Home 2012 Tax Return
.JPHJProbe Memory Snapshot
.LMSLenMus Score File
.CUBAnalysis Services Cube File
.IPIconPackager Theme File
.MAIMicrosoft Mail File
.ENLEndNote Library
.GRFDPlot Graph File
.PCBPrinted Circuit Board Design File
.NDXdBASE Index (Legacy)
.WABWindows Address Book
.UWLUser Word List File
.QUICKEN2015Quicken 2015 Data File
.ROADTRIPRoad Trip Planner File
.TDLTab Delineated Format File
.TAX2009TurboTax 2009 Tax Return
.ZAPZoneAlarm Pro Data File
.LIVEREGSymantec Antivirus Session File
.TTKCatalyst Translation Toolkit
.DOCKZIPObjectDock File
.VSXVisio Stencil XML File
.GRADEGradeStat Document
.TARTape Archive
.PTFScrapbook Flair Template
.CAVComodo Virus Definitions File
.INKMimio Notebook
.SDSOpenOffice Chart
.TRDTrID Definitions Package
.XLFXLIFF Document
.FOBDynamics NAV Object Container File
.PRJAIMMS Project File
.DCMDDiskCatalogMaker Thumbnail-Enabled Catalog
.BLGWindows Binary Performance Log File
.JNTWindows Journal File
.FCSFlow Cytometry Standard File
.A6PAuthorware 6 Project
.RPAxure RP Project File
.ACCGraphics Accounts Data File
.LOGLog File
.PDXAdobe Acrobat Index File
.PRO6PLXProPresenter 6 Playlist Bundle
.T10At Home 2010 Tax Return
.U10UFile 2010 Tax Return
.MWFMapGuide Author Map Window File
.PCRPCMark Vantage Benchmark File
.PABPersonal Address Book
.QPBQuickBooks Point of Sale Data File
.Q09QuickTax 2009 Tax Return
.OO3OmniOutliner 3 File
.EGPEasy Grade Pro Gradebook File
.EMLXPARTMail Message Attachment
.DVOCook'n Cookbook File
.PHBMotorola Phone Book File
.MDLRational Rose Model File
.IMTMy Time Data File
.UPOIiGO Points of Interest File
.ACSAgent Character File
.KEYCHAINMac OS X Keychain File
.LIBGeneric Data Library
.RBTLEGO MINDSTORMS NXT Program
.RSCSymbian Application Compiled Resource File
.PFCAOL Personal Filing Cabinet
.UCCAPILOGMicrosoft UCC API Log File
.3DR3DMark Results File
.OTPOpenDocument Presentation Template
.FDBArt Explosion Catalog
.SDFStructure Data File
.KEYApple Keynote Presentation
.BGLBabylon Glossary File
.FDBPortfolio Catalog
.WDFWorkshare Compare DeltaFile
.H12At Home Canada 2012 Tax Return
.PJ2xPlan Document
.BVPVodaHost BlueVoda Project File
.PPFEdgecam Pathtrace Part File
.MBGMicrosoft Mailbag
.RFORoboForm Option File
.DSZOrchida (OES) Embroidery File
.HSTHistory File
.L6TLine 6 Tone File
.XLTMicrosoft Excel Spreadsheet Template (Legacy)
.PKTPacket Tracer Network Simulation Model
.PDBProtein Data Bank File
.XMLXML File
.INInput File
.CMACoach Activity File
.EXIFExchangeable Image Information File
.BCMBusiness Contact Manager File
.GEDCOMGEDCOM Genealogy File
.Q08QuickTax 2008 Tax Return
.IDXNavigation POI File
.TSVTab-Separated Values File
.VDBSymantec Virus Database File
.QVWQlikView Document
.PPSXMicrosoft PowerPoint Slide Show
.RETBusinessObjects Template
.RVTRevit Project File
.MMPMaster Album Maker Project
.FOXInfoZoom Data File
.NOTEBOOKSMART Notebook File
.SLXMathWorks Simulink Model File
.SAVSPSS Data File
.USRSmartMusic Custom File
.CRTXOffice 2007 Chart Template File
.XFDXFD File
.IIIconWorkshop Extended Information File
.SVFSerial Vector Format File
.SC45SuperCard Project File
.MPKTMOPEKS Trial File
.T18H&R Block 2018 Tax Return
.OEACCOUNTWindows Mail Account File
.AWAnswer Wizard File
.HDAHotDocs Auto-Assemble File
.EVEchoview File
.LMXLandmark Exchange File
.MNOMacromedia Design Note
.ABYAOL Address Book File
.XPTSAS Transport File
.GRVOffice Groove File
.QPFQuartus II Project File
.MNCMy Notes Center Notebook
.ITLiTunes Library File
.BCIBelarc Advisor Report File
.SENSenTest Data File
.PKSOracle Package Spec File
.I5ZIUCLID 5 Import/Export File
.GWKGraphiCode PCB Job File
.OFCOpen Financial Connectivity File
.SLPSisulizer Project File
.DSYDirectory Synchronizer Project File
.RCGRecog Character Recognition Set
.DVDPROJiDVD Project File
.CLKCorel R.A.V.E Project File
.KPFKomodo Project File
.DFPROJDVD Flick Project
.RPTCrystal Reports File
.BOXE-mail Mailbox
.MPPMicrosoft Project File
.ONEOneNote Document
.POTMMicrosoft PowerPoint Macro-Enabled Template
.PPTMMicrosoft PowerPoint Macro-Enabled Presentation
.PAFPersonal Ancestral File
.MOHOMoho Animation Project
.VOIVOI Group File
.VCFvCard File
.QDFQuicken Data File
.FLPActivPrimary Flipchart File
.MOXExtendSim Simulation Software Model
.TRAWinTrack Railroad Track File
.WINDOWSLIVECONTACTWindows Live Contacts File
.EFXeFax Document
.ENEXEvernote Archive
.MJKQuestion File
.LVMLabVIEW Measurement File
.ANMEAnime Studio Document
.PMOBroderbund Print Meta Object File
.LP7LP7 Digitally Signed File
.PDSPlanetary Data System File
.SEOSEO Note File
.FFWPFormsForWeb Packet
.LASLIDAR Data Exchange File
.GBRGerber File
.LBLNiceLabel Template File
.BTMBizTalk Map File
.TSTTestPoint Test File
.STMExchange Streaming Media File
.OFXOpen Financial Exchange File
.EMBWilcom Embroidery Design File
.CSVComma-Separated Values File
.QUICKEN2017Quicken 2017 Data File
.QB2013QuickBooks 2013 File
.T13H&R Block 2013 Tax Return
.PTZE-Transcript Bundle File
.QB2011QuickBooks 2011 File
.FMATFMAT Runfile
.GDTgretl Datafile
.ASNDAdobe Sound Document
.RTERevit Project Template
.POTXMicrosoft PowerPoint Presentation Template
.LGIMultimedia Logic File
.PDASPDAStore Data Store File
.HLHeuristicLab Storage File
.MYIMySQL MyISAM Index File
.T07TaxCut 2007 Tax Return
.TRSWinTrack Railroad Track Text File
.AAESidecar Image Edit File
.PSTOutlook Personal Information Store
.SPSSPSS Program File
.XSLXML Stylesheet
.JRPRINTJasperReports Print File
.TAX2018TurboTax 2018 Tax Return
.RPPREAPER Project File
.GCWMicrosoft Mathematics Worksheet
.WPCWordPad Converter File
.TPFTransit NXT Pack Translation File
.TAX2015TurboTax 2015 Tax Return
.XRDMLXRDML Data File
.NPLNokia Playlist File
.CELTXCeltx Project File
.T19H&R Block 2019 Tax Return
.DCFDocument Computation Format
.OMPOffice Manager Document Archive
.DAMDeltaMaster Analysis Model
.GRKGradekeeper Class Gradebook File
.XMCDMathcad Worksheet File
.GSGemStone Document
.PDXProduct Data eXchange File
.4DV4D View Ultrasound File
.XPGAutoplay Media Studio Exported Page
.GPIGarmin Point of Interest File
.MDMHLM Multivariate Data Matrix File
.SLKSymbolic Link File
.IDXHMI Historical Log Index File
.MDSXMEGA Saved Session
.VXMLVoiceXML File
.CDFCommon Data Format
.FPSLFileMaker Pro Snapshot Link
.TBTabbery Tab File
.TDTTHOR Data Tree File
.CVNCineVision Encoding Session
.KPZKomodo Template File
.PRJProject File
.TBKToolBook File
.VCEVisual CertExam Exam File
.GEDGEDCOM Genealogy Data File
.WB3Corel Quattro Pro 7 and 8 File
.STYKZStykz Animation
.LSFLogos Library System File
.ER1ERWin Entity Relationship Diagram
.VCDValue Change Dump File
.TAX2017TurboTax 2017 Tax Return
.SIMSAP Tutor File
.FXPAdobe Flex Project File
.QB2014QuickBooks 2014 File
.TEFTablEdit Tablature
.TWBTableau Workbook File
.IESIES Photometric Data File
.OUTOutput File
.CAPPacket Capture File
.ADCPAdobe Device Central Project File
.CLGCollage Maker Project File
.STAABAQUS Status File
.TAX2013TurboTax 2013 Tax Return
.MDJStarUML Model File
.ABPAVS Barcode Profile
.MWolfram Mathematica Language Package
.CDXChemDraw Exchange File
.PTBPower Tab File
.IMASage ACT! Email Message
.T16H&R Block 2016 Tax Return
.XSLTExtensible Stylesheet Language Transformations File
.QMTFQuicken Mac Transfer File
.JDBSymantec Endpoint Protection Update File
.T11At Home 2011 Tax Return
.IBAiBooks Author Document
.XPJRoboHelp HTML Project File
.DSBWondershare DVD Slideshow Builder Project
.ID2Windows Live Messenger Emoticon File
.T08TaxCut 2008 Tax Return
.XDBSymantec Virus Database File
.PD5Windows Live Photo Gallery Information File
.IX2WordPerfect Address Book File
.BJOTabRite Tablature File
.SCDTurboTax Tax Schedule List
.PD4Windows Live Photo Gallery Information File
.OR6Lotus Organizer 6 File
.LIXLogos Library System File
.WCDWorks Calendar File
.EPFEdgecam Educational Part File
.PTNPaperPort Thumbnail File
.KAPBSB Chart Image File
.WGTXNBC Synaptic Weights File
.CNACatena Project File
.DIISummation Batch Load File
.MMPMindManager Mind Map
.NPTPortfolio NetPublish Template
.HS2HyperRESEARCH 2 Study File
.SQDSQ Data File
.PPFTransit NXT Pack Project File
.KISMACKisMAC Webservice File
.TAPESTRYTapestry Connector
.FOPInfoZoom Protected Data File
.DASDeltaMaster Analysis Session
.PKHOracle Package File
.PXLPocket Excel File
.ULFUniversal List File
.ITXFileNet eForms Designer Template
.WEAEcotect Weather File
.T06TaxCut 2006 Tax Return
.GNOGenoPro Genealogy Tree File
.SDPSession Description Protocol File
.BRWCalyx Point Borrower File
.VRDVisio Report Definition File
.PSPDPhotoSuite 5 Project File
.XRPRationalPlan Project File
.MEXMacro Express File
.ROUGerber Route File
.TE3WinTrack Object File
.PCAPNGPcap-NG Packet Capture File
.QIFQuicken Interchange Format File
.GANGanttProject Project File
.QBWQuickBooks for Windows Company File
.SPVSPSS Output Document
.MCDXMathcad Prime Document
.XFDFAdobe Acrobat XFDF File
.DCMDiskCatalogMaker Catalog
.CTFWhereIsIt Catalog
.MCDMathcad Document
.QFXQuicken Financial Exchange File
.INXCompiled Script
.ISFInspiration Flowchart Document
.MATMATLAB MAT-file
.MMFMeal-Master Recipe File
.TAX2019TurboTax 2019 Tax Return
.MDCMulti Dimension Cube File
.DBDDemoShield Project
.WSIWise Package Studio Installer Package
.NPPortfolio NetPublish File
.NDKLotus Notes Design Elements File
.DALDVD-lab Project File
.PODOpenProj Project File
.FTWFamily Tree Maker File
.TAX2011TurboTax 2011 Tax Return
.TT10TurboTax Canada 2010 Tax Return
.FMCFormConnect Form File
.XRYXRY Data File
.EXPExport File
.GCGraphClick File
.MWMaple Worksheet
.ITMSPiTunes Store Package
.PNPROJProgrammer's Notepad Project File
.MBXOutlook Express Mailbox
.HMLHostMonitor TestList File
.SLESisulizer Package File
.VDXMicrosoft Visio XML Drawing
.SHWCorel Presentation
.MWSMaple Classic Worksheet
.MTWMinitab Worksheet File
.VILabVIEW Virtual Instrument File
.ESXXactimate Insurance Claims Estimate
.T09At Home 2009 Tax Return
.QB2012QuickBooks 2012 File
.TT12TurboTax Canada 2012 Tax Return
.LIVEUPDATESymantec LiveUpdate File
.PJMxPlan Model
.XDNADNA Strider Sequence File
.CLMMagicJack Call Log File
.SGMLStandard Generalized Markup Language File
.QDPQuick and Dandy Plotter File
.BCCCalendar Creator File
.WSMWise Package Studio Merge Module
.FLOiGrafx FlowCharter File
.IGCAnime List Builder Input File
.DDCDivX Descriptor File
.DDCXDivX Descriptor 2 File
.GRRGradekeeper Class Roster File
.RODActuate Report Object Design File
.TDMLabVIEW Binary Measurement File
.FHCFHC Data File
.KPPKid Pix Presentation
.PHMPro Home Manager Data File
.NPRNuendo Project File
.EPWEnergyPlus Weather Data File
.PXFTransit XV Pack Project File
.ZDCCD Catalog Expert Database File
.VTXVisio Template XML File
.KIDKidspiration Document
.LGHHMI Historical Log File
.OPXFlipAlbum Photo Album File
.KPXKid Pix Picture
.IXBUlead Disc Image
.WNKWink Presentation
.DMSPPhotoSuite Project File
.LSLLightScribe Label
.QB2009QuickBooks 2009 File
.ULZUSBlyzer Data Capture File
.CSAPNA Code Calset File
.ONDLotus Notes Encapsulated Memo File
.TFATreeSoft CashFlow Analysis Data File
.TT13TurboTax Canada 2013 Tax Return
.CTMCrazyTalk Model File
.TKFLTKLinks Saver Favorite Links
.SPUBDisc Cover File
.MBGMailbag Assistant Mailbox File
.ODXBizTalk Server Orchestration File
.SWKStudyWorks Save File
.TPBGROMACS Binary Input File
.BLBBlob Data File
.LIXExtendSim Simulation Software Library
.SBXESRI Spatial Index File
.ITMiThink Model File
.STPAnalysis Studio Project Information File
.IVTBeyond 20/20 Table File
.WB2Corel Quattro Pro File

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