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
.H13H&R Block Canada 2013 Tax Return
.LDFSQL Server Transaction Log File
.TXDGame Texture Dictionary
.MDLMathWorks Simulink Model
.VMTValve Material File
.XEMPowerDesigner Model Definition File
.NBPMathematica Player Notebook File
.BLDEnvisioneer Building Project File
.FLTFlight Simulator Saved Flight
.HYVTeam Manager Meet Event File
.NITFNational Imagery Transmission Format File
.PPTXMicrosoft PowerPoint Presentation
.LOCGPS Location File
.RSVRSView32 Project File
.ADXApproach Index File
.METeMule Resource File
.DATData File
.PPSMMicrosoft PowerPoint Macro-Enabled Show
.CELAffymetrix Probe Results File
.TDBAndroid Thumbnail Cache
.DIFData Interchange Format
.EBUILDPortage eBuild Script
.DRLGerber Drill Rack File
.KDCKaspersky Virus Database File
.BGTGraphics Accounts Data File
.RGORepliGo File
.WJRReGet Deluxe Data File
.LDIFLDAP Data Interchange Format File
.NOTNotation File
.PRSHarvard Graphics Presentation
.ALDDynamics AX Application Label Data File
.WTBWin-Test Binary Log
.VOKPocketVok Vocabulary File
.ABCDAudioVisual Book Data File
.AIFBAIF Builder Project File
.POIMagellan Maestro Point of Interest File
.AZZAZZ Cardfile Database File
.MOSAICMacOSaiX Mosaic File
.KPRKPresenter Presentation
.PLWPicoLog Data File
.STYKStykz Stick Figure
.CAPTCapito Data File
.DM2Toad Data Modeler 2 File
.TT20TurboTax Canada 2020 Tax Return
.QUICKENDATAQuicken Essentials for Mac Data File
.T05TaxCut 2005 Tax Return
.TRKCompeGPS Land Track File
.TAX2010TurboTax 2010 Tax Return
.TOPCTopicCrunch Project File
.QB2017QuickBooks 2017 for Mac Data File
.TA9TaxAct 2019 Tax Return File
.XFTAdobe Form Designer 5.0 File
.SQRSQL Program File
.T20H&R Block 2020 Tax Return
.HDFHierarchical Data Format (Version 4)
.FLORFFlow Flowchart File
.NCORXAdobe Encore Project
.H17H&R Block Canada 2017 Tax Return
.SQSysquake Program
.PRDXPresentations Document
.TAX2023TurboTax 2023 Tax Return
.FSCPractical Scriptwriter File
.RALWinRail Track Design File
.MMCMicrosoft Media Catalog
.PPTMicrosoft PowerPoint Presentation (Legacy)
.OBBAndroid Opaque Binary Blob File
.BINGeneric Binary File
.GGBGeoGebra Worksheet
.ADTACT! Document Template
.CUBAnalysis Services Cube File
.TMXTranslation Memory Exchange File
.MDFMeasurement Data Format File
.BDICChrome Dictionary File
.MENCWindows Mobile Encrypted File
.FCPEVENTFinal Cut Pro Event File
.JEFJanome Embroidery Format File
.TBLStarCraft Information Table
.MLSMilestones Simplicity File
.OTLNOpal Outline File
.PCBPrinted Circuit Board Design File
.CDXCompound Index File
.BLGWindows Binary Performance Log File
.CONTACTWindows Contact File
.EDIElectronic Data Interchange File
.PCPersonal Composer File
.VCSvCalendar Event
.ALIDynamics AX Label Index File
.PPSMicrosoft PowerPoint Slide Show (Legacy)
.ZMCZoneAlarm Quarantine File
.ROXRoxio Project File
.CLPCrazyTalk Clip File
.PKAPacket Tracer Activity File
.AAMAuthorware Map File
.RFARevit Family File
.LMSLenMus Score File
.JPHJProbe Memory Snapshot
.EXXIBM Linkway MsgPut File
.T12At Home 2012 Tax Return
.VDFAntiVir Virus Definitions File
.OVAOpen Virtual Appliance
.IPIconPackager Theme File
.LCMLipikar Custom Map File
.MAIMicrosoft Mail File
.WABWindows Address Book
.ENLEndNote Library
.GRFDPlot Graph File
.OVFOpen Virtualization File
.NETnetViz Project File
.QRPQuickReport File
.ODPOpenDocument Presentation
.GRADEGradeStat Document
.VSXVisio Stencil XML File
.UWLUser Word List File
.QUICKEN2015Quicken 2015 Data File
.TTKCatalyst Translation Toolkit
.OO3OmniOutliner 3 File
.TAX2009TurboTax 2009 Tax Return
.ROADTRIPRoad Trip Planner File
.KPFKomodo Project File
.EGPEasy Grade Pro Gradebook File
.DOCKZIPObjectDock File
.ZAPZoneAlarm Pro Data File
.LIVEREGSymantec Antivirus Session File
.NDXdBASE Index (Legacy)
.INKMimio Notebook
.PHOTOSLIBRARYPhotos Library
.OPJUOrigin Unicode Project
.SDSOpenOffice Chart
.XLFXLIFF Document
.PRJAIMMS Project File
.CKTCircuitMaker File
.DCMDDiskCatalogMaker Thumbnail-Enabled Catalog
.TCCTimeCalc Classic Data File
.JNTWindows Journal File
.CAVComodo Virus Definitions File
.FCSFlow Cytometry Standard File
.A6PAuthorware 6 Project
.WDFWorkshare Compare DeltaFile
.RPAxure RP Project File
.TARTape Archive
.ACCGraphics Accounts Data File
.LIBGeneric Data Library
.IMTMy Time Data File
.FDBArt Explosion Catalog
.U10UFile 2010 Tax Return
.POTMMicrosoft PowerPoint Macro-Enabled Template
.T10At Home 2010 Tax Return
.DVOCook'n Cookbook File
.PCRPCMark Vantage Benchmark File
.Q08QuickTax 2008 Tax Return
.QPBQuickBooks Point of Sale Data File
.MWFMapGuide Author Map Window File
.PABPersonal Address Book
.MDLRational Rose Model File
.Q09QuickTax 2009 Tax Return
.EMLXPARTMail Message Attachment
.IIFIntuit Interchange Format File
.PHBMotorola Phone Book File
.PDXAdobe Acrobat Index File
.RVTRevit Project File
.RDBN64 ROM Database
.KEYCHAINMac OS X Keychain File
.RBTLEGO MINDSTORMS NXT Program
.RSCSymbian Application Compiled Resource File
.PFCAOL Personal Filing Cabinet
.UCCAPILOGMicrosoft UCC API Log File
.3DR3DMark Results File
.PTFScrapbook Flair Template
.FDBPortfolio Catalog
.PPFEdgecam Pathtrace Part File
.MBGMicrosoft Mailbag
.DSZOrchida (OES) Embroidery File
.H12At Home Canada 2012 Tax Return
.L6TLine 6 Tone File
.DPNDepiction Data File
.HSTHistory File
.RFORoboForm Option File
.BVPVodaHost BlueVoda Project File
.PJ2xPlan Document
.KEYApple Keynote Presentation
.CRTXOffice 2007 Chart Template File
.INInput File
.OBJRelocatable Object Code
.XLTMicrosoft Excel Spreadsheet Template (Legacy)
.CLGCollage Maker Project File
.GEDCOMGEDCOM Genealogy File
.CMACoach Activity File
.BCMBusiness Contact Manager File
.IDXNavigation POI File
.PPSXMicrosoft PowerPoint Slide Show
.XMLXML File
.QVWQlikView Document
.VDBSymantec Virus Database File
.SDFStructure Data File
.MMPMaster Album Maker Project
.FOXInfoZoom Data File
.ACSAgent Character File
.SAVSPSS Data File
.PDBProtein Data Bank File
.NOTEBOOKSMART Notebook File
.BGLBabylon Glossary File
.PKTPacket Tracer Network Simulation Model
.SLXMathWorks Simulink Model File
.BOXE-mail Mailbox
.USRSmartMusic Custom File
.XFDXFD File
.PDXProduct Data eXchange File
.EVEchoview File
.AWAnswer Wizard File
.BCIBelarc Advisor Report File
.RETBusinessObjects Template
.TRDTrID Definitions Package
.XPTSAS Transport File
.DFPROJDVD Flick Project
.HDAHotDocs Auto-Assemble File
.MOXExtendSim Simulation Software Model
.OEACCOUNTWindows Mail Account File
.SENSenTest Data File
.SVFSerial Vector Format File
.MNCMy Notes Center Notebook
.IIIconWorkshop Extended Information File
.GRVOffice Groove File
.SC45SuperCard Project File
.I5ZIUCLID 5 Import/Export File
.PKSOracle Package Spec File
.QDFQuicken Data File
.DVDPROJiDVD Project File
.OTPOpenDocument Presentation Template
.RCGRecog Character Recognition Set
.DSYDirectory Synchronizer Project File
.MNOMacromedia Design Note
.ABYAOL Address Book File
.FOBDynamics NAV Object Container File
.MPKTMOPEKS Trial File
.PRO6PLXProPresenter 6 Playlist Bundle
.SLPSisulizer Project File
.LMXLandmark Exchange File
.T18H&R Block 2018 Tax Return
.GWKGraphiCode PCB Job File
.RPTCrystal Reports File
.TSVTab-Separated Values File
.MPPMicrosoft Project File
.VOIVOI Group File
.MOHOMoho Animation Project
.ONEOneNote Document
.PPTMMicrosoft PowerPoint Macro-Enabled Presentation
.PKBOracle Package Body File
.FLPActivPrimary Flipchart File
.OFCOpen Financial Connectivity File
.TRAWinTrack Railroad Track File
.EMBWilcom Embroidery Design File
.EXIFExchangeable Image Information File
.GSGemStone Document
.OFTOutlook File Template
.SPSSPSS Program File
.PDSPlanetary Data System File
.SEOSEO Note File
.PAFPersonal Ancestral File
.XLCMicrosoft Excel Chart
.EFXeFax Document
.ANMEAnime Studio Document
.MJKQuestion File
.LVMLabVIEW Measurement File
.IBAiBooks Author Document
.FFWPFormsForWeb Packet
.LBLNiceLabel Template File
.INXCompiled Script
.VCFvCard File
.STMExchange Streaming Media File
.OFXOpen Financial Exchange File
.AAESidecar Image Edit File
.GRKGradekeeper Class Gradebook File
.WGTIMPS Data File
.ENEXEvernote Archive
.T07TaxCut 2007 Tax Return
.FMATFMAT Runfile
.HLHeuristicLab Storage File
.MYIMySQL MyISAM Index File
.RTERevit Project Template
.TDLTab Delineated Format File
.GDTgretl Datafile
.T13H&R Block 2013 Tax Return
.PTZE-Transcript Bundle File
.PDASPDAStore Data Store File
.QUICKEN2017Quicken 2017 Data File
.QB2013QuickBooks 2013 File
.QB2011QuickBooks 2011 File
.TRSWinTrack Railroad Track Text File
.ASNDAdobe Sound Document
.CSVComma-Separated Values File
.PSTOutlook Personal Information Store
.JRPRINTJasperReports Print File
.TAX2018TurboTax 2018 Tax Return
.RPPREAPER Project File
.WPCWordPad Converter File
.GCWMicrosoft Mathematics Worksheet
.PXLPocket Excel File
.XRDMLXRDML Data File
.NPLNokia Playlist File
.GBRGerber File
.CELTXCeltx Project File
.POTXMicrosoft PowerPoint Presentation Template
.XSLXML Stylesheet
.PMOBroderbund Print Meta Object File
.T19H&R Block 2019 Tax Return
.OMPOffice Manager Document Archive
.SLKSymbolic Link File
.XMCDMathcad Worksheet File
.GPIGarmin Point of Interest File
.PXJRecordNow Project
.XPGAutoplay Media Studio Exported Page
.4DV4D View Ultrasound File
.CAPPacket Capture File
.IDXHMI Historical Log Index File
.GEDGEDCOM Genealogy Data File
.MDSXMEGA Saved Session
.TBTabbery Tab File
.WINDOWSLIVECONTACTWindows Live Contacts File
.CDFCommon Data Format
.TDTTHOR Data Tree File
.KPZKomodo Template File
.VXMLVoiceXML File
.TAX2015TurboTax 2015 Tax Return
.FPSLFileMaker Pro Snapshot Link
.TBKToolBook File
.VCEVisual CertExam Exam File
.ER1ERWin Entity Relationship Diagram
.MWolfram Language Package
.STYKZStykz Animation
.LSFLogos Library System File
.TPFTransit NXT Pack Translation File
.VCDValue Change Dump File
.TAX2017TurboTax 2017 Tax Return
.SIMSAP Tutor File
.PRJProject File
.DAMDeltaMaster Analysis Model
.QB2014QuickBooks 2014 File
.TEFTablEdit Tablature
.TWBTableau Workbook File
.PTNPaperPort Thumbnail File
.OUTOutput File
.RTENavigation Route
.ADCPAdobe Device Central Project File
.DCMDiskCatalogMaker Catalog
.TAX2013TurboTax 2013 Tax Return
.MDJStarUML Model File
.ABPAVS Barcode Profile
.MDMHLM Multivariate Data Matrix File
.CDXChemDraw Exchange File
.PTBPower Tab File
.XPJRoboHelp HTML Project File
.T16H&R Block 2016 Tax Return
.PD5Windows Live Photo Gallery Information File
.ID2Windows Live Messenger Emoticon File
.RNQRenque Model File
.DSBWondershare DVD Slideshow Builder Project
.XRPRationalPlan Project File
.OTLNoteTab Outline File
.TAX2008TurboTax 2008 Tax Return
.XDBSymantec Virus Database File
.TE3WinTrack Object File
.ROUGerber Route File
.EPFEdgecam Educational Part File
.XSLTExtensible Stylesheet Language Transformations File
.JDBSymantec Endpoint Protection Update File
.MEXMacro Express File
.PCAPNGPcap-NG Packet Capture File
.PD4Windows Live Photo Gallery Information File
.SDPSession Description Protocol File
.T08TaxCut 2008 Tax Return
.CVNCineVision Encoding Session
.GNOGenoPro Genealogy Tree File
.QMTFQuicken Mac Transfer File
.T11At Home 2011 Tax Return
.IMASage ACT! Email Message
.T06TaxCut 2006 Tax Return
.MCDXMathcad Prime Document
.VRDVisio Report Definition File
.DIISummation Batch Load File
.SCDTurboTax Tax Schedule List
.ULFUniversal List File
.CNACatena Project File
.WCDWorks Calendar File
.OR6Lotus Organizer 6 File
.LIXLogos Library System File
.PKHOracle Package File
.MMPMindManager Mind Map
.XMLPERLeCroy Binary Waveform File
.BRWCalyx Point Borrower File
.DASDeltaMaster Analysis Session
.NPTPortfolio NetPublish Template
.FOPInfoZoom Protected Data File
.WGTXNBC Synaptic Weights File
.PSPDPhotoSuite 5 Project File
.ITXFileNet eForms Designer Template
.SARSibelius Arrange Style
.XFOXSL-FO Formatted Form
.WEAEcotect Weather File
.PPFTransit NXT Pack Project File
.TDMLabVIEW Binary Measurement File
.HS2HyperRESEARCH 2 Study File
.SQDSQ Data File
.QBWQuickBooks for Windows Company File
.XFDFAdobe Acrobat XFDF File
.SPVSPSS Output Document
.CTFWhereIsIt Catalog
.MCDMathcad Document
.IESIES Photometric Data File
.QFXQuicken Financial Exchange File
.QIFQuicken Interchange Format File
.GANGanttProject Project File
.STAABAQUS Status File
.PODOpenProj Project File
.TAX2019TurboTax 2019 Tax Return
.MATMATLAB MAT-file
.MMFMeal-Master Recipe File
.FXPAdobe Flex Project File
.MDCMulti Dimension Cube File
.DBDDemoShield Project
.WB3Corel Quattro Pro 7 and 8 File
.VDXMicrosoft Visio XML Drawing
.DALDVD-lab Project File
.PHMPro Home Manager Data File
.NDKLotus Notes Design Elements File
.NPPortfolio NetPublish File
.FTWFamily Tree Maker File
.TT10TurboTax Canada 2010 Tax Return
.TAX2011TurboTax 2011 Tax Return
.EXPExport File
.FMCFormConnect Form File
.MWMaple Worksheet
.PNPROJProgrammer's Notepad Project File
.HMLHostMonitor TestList File
.MBXOutlook Express Mailbox
.ITMSPiTunes Store Package
.SLESisulizer Package File
.DDCXDivX Descriptor 2 File
.SHWCorel Presentation
.MWSMaple Classic Worksheet
.MTWMinitab Worksheet File
.ESXXactimate Insurance Claims Estimate
.VILabVIEW Virtual Instrument File
.EPWEnergyPlus Weather Data File
.T09At Home 2009 Tax Return
.QB2012QuickBooks 2012 File
.IGCAnime List Builder Input File
.NPRNuendo Project File
.FLOiGrafx FlowCharter File
.LIVEUPDATESymantec LiveUpdate File
.DDCDivX Descriptor File
.GCGraphClick File
.SGMLStandard Generalized Markup Language File
.BCCCalendar Creator File
.QDPQuick and Dandy Plotter File
.GRRGradekeeper Class Roster File
.RODActuate Report Object Design File
.TT12TurboTax Canada 2012 Tax Return
.KPPKid Pix Presentation
.XDNADNA Strider Sequence File
.CLMMagicJack Call Log File
.PJMxPlan Model
.PXFTransit XV Pack Project File
.ZDCCD Catalog Expert Database File
.VTXVisio Template XML File
.KIDKidspiration Document
.LGHHMI Historical Log File
.KPXKid Pix Picture
.IXBUlead Disc Image
.OPXFlipAlbum Photo Album File
.WNKWink Presentation
.CSAPNA Code Calset File
.LSLLightScribe Label
.DMSPPhotoSuite Project File
.ULZUSBlyzer Data Capture File
.QB2009QuickBooks 2009 File
.TDAPalm To-Do File
.ONDLotus Notes Encapsulated Memo File
.FHCFHC Data File
.TFATreeSoft CashFlow Analysis Data File
.TETTextease CT Template
.SPUBDisc Cover File
.TDAJava Application Thread Dump
.BLBBlob Data File
.TKFLTKLinks Saver Favorite Links
.CTMCrazyTalk Model File
.TT13TurboTax Canada 2013 Tax Return
.LIXExtendSim Simulation Software Library
.SWKStudyWorks Save File
.XPJMicro Planner X-Pert Project File
.MBGMailbag Assistant Mailbox File
.FOXSL-FO Form
.TPBGROMACS Binary Input File
.TXFTax Exchange Format
.STPAnalysis Studio Project Information File
.SBXESRI Spatial Index File
.LW4Lightwright File
.AWGActiveworlds Object Group File
.ITMiThink Model File
.WB2Corel Quattro Pro File
.IVTBeyond 20/20 Table File

Results limited to 500. View complete list.