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 |
|---|---|---|
| .TT20 | TurboTax Canada 2020 Tax Return | 4.3 |
| .LDF | SQL Server Transaction Log File | 4.2 |
| .HYV | Team Manager Meet Event File | 4.2 |
| .TXD | Game Texture Dictionary | 4.2 |
| .MDL | MathWorks Simulink Model | 4.2 |
| .VMT | Valve Material File | 4.2 |
| .XEM | PowerDesigner Model Definition File | 4.2 |
| .BLD | Envisioneer Building Project File | 4.2 |
| .NITF | National Imagery Transmission Format File | 4.1 |
| .PPTX | Microsoft PowerPoint Presentation | 4.1 |
| .NRL | Autonomy Interwoven Link File | 4.1 |
| .RSV | RSView32 Project File | 4.1 |
| .MET | eMule Resource File | 4.1 |
| .TDB | Android Thumbnail Cache | 4.1 |
| .DAT | Data File | 4.0 |
| .PPSM | Microsoft PowerPoint Macro-Enabled Show | 4.0 |
| .OBB | Android Opaque Binary Blob File | 4.0 |
| .HDF | Hierarchical Data Format (Version 4) | 4.0 |
| .NOT | Notation File | 4.0 |
| .QUICKENDATA | Quicken Essentials for Mac Data File | 4.0 |
| .H17 | H&R Block Canada 2017 Tax Return | 4.0 |
| .TA9 | TaxAct 2019 Tax Return File | 4.0 |
| .QB2017 | QuickBooks 2017 for Mac Data File | 4.0 |
| .TAX2010 | TurboTax 2010 Tax Return | 4.0 |
| .KDC | Kaspersky Virus Database File | 4.0 |
| .NCORX | Adobe Encore Project | 4.0 |
| .H13 | H&R Block Canada 2013 Tax Return | 4.0 |
| .CAPT | Capito Data File | 4.0 |
| .PRDX | Presentations Document | 4.0 |
| .TAX2023 | TurboTax 2023 Tax Return | 4.0 |
| .T20 | H&R Block 2020 Tax Return | 4.0 |
| .IGC | International Gliding Commission Data File | 4.0 |
| .KTH | Keynote Theme | 4.0 |
| .STYK | Stykz Stick Figure | 4.0 |
| .TOPC | TopicCrunch Project File | 4.0 |
| .XFT | Adobe Form Designer 5.0 File | 4.0 |
| .SQ | Sysquake Program | 4.0 |
| .SQR | SQL Program File | 4.0 |
| .FSC | Practical Scriptwriter File | 4.0 |
| .AZZ | AZZ Cardfile Database File | 4.0 |
| .RGO | RepliGo File | 4.0 |
| .ABCD | AudioVisual Book Data File | 4.0 |
| .KPR | KPresenter Presentation | 4.0 |
| .DM2 | Toad Data Modeler 2 File | 4.0 |
| .VOK | PocketVok Vocabulary File | 4.0 |
| .EBUILD | Portage eBuild Script | 4.0 |
| .WJR | ReGet Deluxe Data File | 4.0 |
| .MMC | Microsoft Media Catalog | 4.0 |
| .POI | Magellan Maestro Point of Interest File | 4.0 |
| .BGT | Graphics Accounts Data File | 4.0 |
| .AIFB | AIF Builder Project File | 4.0 |
| .T05 | TaxCut 2005 Tax Return | 4.0 |
| .LDIF | LDAP Data Interchange Format File | 4.0 |
| .ALD | Dynamics AX Application Label Data File | 4.0 |
| .MOSAIC | MacOSaiX Mosaic File | 4.0 |
| .PLW | PicoLog Data File | 4.0 |
| .WTB | Win-Test Binary Log | 4.0 |
| .DRL | Gerber Drill Rack File | 4.0 |
| .RAL | WinRail Track Design File | 4.0 |
| .FLO | RFFlow Flowchart File | 4.0 |
| .PPT | Microsoft PowerPoint Presentation (Legacy) | 4.0 |
| .GGB | GeoGebra Worksheet | 4.0 |
| .PRS | Harvard Graphics Presentation | 4.0 |
| .BIN | Generic Binary File | 4.0 |
| .LOC | GPS Location File | 4.0 |
| .ADT | ACT! Document Template | 4.0 |
| .CUB | Analysis Services Cube File | 3.9 |
| .TMX | Translation Memory Exchange File | 3.9 |
| .CEL | Affymetrix Probe Results File | 3.9 |
| .MDF | Measurement Data Format File | 3.9 |
| .BDIC | Chrome Dictionary File | 3.9 |
| .MENC | Windows Mobile Encrypted File | 3.9 |
| .FCPEVENT | Final Cut Pro Event File | 3.9 |
| .DIF | Data Interchange Format | 3.9 |
| .JEF | Janome Embroidery Format File | 3.9 |
| .OPX | OrgPlus Org Chart | 3.9 |
| .OTLN | Opal Outline File | 3.9 |
| .MLS | Milestones Simplicity File | 3.9 |
| .TBL | StarCraft Information Table | 3.9 |
| .CDX | Compound Index File | 3.9 |
| .BLG | Windows Binary Performance Log File | 3.9 |
| .TCC | TimeCalc Classic Data File | 3.9 |
| .EXX | IBM Linkway MsgPut File | 3.9 |
| .CONTACT | Windows Contact File | 3.9 |
| .EDI | Electronic Data Interchange File | 3.9 |
| .VCS | vCalendar Event | 3.9 |
| .PC | Personal Composer File | 3.9 |
| .PKA | Packet Tracer Activity File | 3.8 |
| .OVF | Open Virtualization File | 3.8 |
| .ALI | Dynamics AX Label Index File | 3.8 |
| .ODP | OpenDocument Presentation | 3.8 |
| .PCB | Printed Circuit Board Design File | 3.8 |
| .NET | netViz Project File | 3.8 |
| .RFA | Revit Family File | 3.8 |
| .CLP | CrazyTalk Clip File | 3.8 |
| .ROX | Roxio Project File | 3.8 |
| .TRK | CompeGPS Land Track File | 3.8 |
| .ZMC | ZoneAlarm Quarantine File | 3.8 |
| .PPS | Microsoft PowerPoint Slide Show (Legacy) | 3.8 |
| .OPJU | Origin Unicode Project | 3.8 |
| .AAM | Authorware Map File | 3.8 |
| .VDF | AntiVir Virus Definitions File | 3.8 |
| .T12 | At Home 2012 Tax Return | 3.8 |
| .JPH | JProbe Memory Snapshot | 3.8 |
| .LMS | LenMus Score File | 3.8 |
| .OVA | Open Virtual Appliance | 3.8 |
| .IP | IconPackager Theme File | 3.8 |
| .MAI | Microsoft Mail File | 3.8 |
| .LCM | Lipikar Custom Map File | 3.8 |
| .WAB | Windows Address Book | 3.8 |
| .GRF | DPlot Graph File | 3.8 |
| .ENL | EndNote Library | 3.8 |
| .ROADTRIP | Road Trip Planner File | 3.8 |
| .TAX2009 | TurboTax 2009 Tax Return | 3.8 |
| .NDX | dBASE Index (Legacy) | 3.8 |
| .UWL | User Word List File | 3.8 |
| .QUICKEN2015 | Quicken 2015 Data File | 3.8 |
| .TDL | Tab Delineated Format File | 3.8 |
| .ZAP | ZoneAlarm Pro Data File | 3.8 |
| .LIVEREG | Symantec Antivirus Session File | 3.8 |
| .TTK | Catalyst Translation Toolkit | 3.8 |
| .DOCKZIP | ObjectDock File | 3.8 |
| .VSX | Visio Stencil XML File | 3.8 |
| .GRADE | GradeStat Document | 3.8 |
| .PHOTOSLIBRARY | Photos Library | 3.7 |
| .PTF | Scrapbook Flair Template | 3.7 |
| .CKT | CircuitMaker File | 3.7 |
| .TAR | Tape Archive | 3.7 |
| .INK | Mimio Notebook | 3.7 |
| .SDS | OpenOffice Chart | 3.7 |
| .TRD | TrID Definitions Package | 3.7 |
| .XLF | XLIFF Document | 3.7 |
| .FOB | Dynamics NAV Object Container File | 3.7 |
| .PRJ | AIMMS Project File | 3.7 |
| .DCMD | DiskCatalogMaker Thumbnail-Enabled Catalog | 3.7 |
| .JNT | Windows Journal File | 3.7 |
| .FCS | Flow Cytometry Standard File | 3.7 |
| .CAV | Comodo Virus Definitions File | 3.7 |
| .A6P | Authorware 6 Project | 3.7 |
| .RP | Axure RP Project File | 3.7 |
| .ACC | Graphics Accounts Data File | 3.7 |
| .LOG | Log File | 3.7 |
| .U10 | UFile 2010 Tax Return | 3.7 |
| .PCR | PCMark Vantage Benchmark File | 3.7 |
| .MWF | MapGuide Author Map Window File | 3.7 |
| .T10 | At Home 2010 Tax Return | 3.7 |
| .PDX | Adobe Acrobat Index File | 3.7 |
| .PAB | Personal Address Book | 3.7 |
| .EGP | Easy Grade Pro Gradebook File | 3.7 |
| .QPB | QuickBooks Point of Sale Data File | 3.7 |
| .PHB | Motorola Phone Book File | 3.7 |
| .OO3 | OmniOutliner 3 File | 3.7 |
| .EMLXPART | Mail Message Attachment | 3.7 |
| .Q09 | QuickTax 2009 Tax Return | 3.7 |
| .DVO | Cook'n Cookbook File | 3.7 |
| .MDL | Rational Rose Model File | 3.7 |
| .RDB | N64 ROM Database | 3.7 |
| .IIF | Intuit Interchange Format File | 3.7 |
| .UPOI | iGO Points of Interest File | 3.7 |
| .IMT | My Time Data File | 3.7 |
| .ACS | Agent Character File | 3.7 |
| .KEYCHAIN | Mac OS X Keychain File | 3.7 |
| .LIB | Generic Data Library | 3.7 |
| .RBT | LEGO MINDSTORMS NXT Program | 3.6 |
| .RSC | Symbian Application Compiled Resource File | 3.6 |
| .PFC | AOL Personal Filing Cabinet | 3.6 |
| .3DR | 3DMark Results File | 3.6 |
| .UCCAPILOG | Microsoft UCC API Log File | 3.6 |
| .OTP | OpenDocument Presentation Template | 3.6 |
| .SDF | Structure Data File | 3.6 |
| .BGL | Babylon Glossary File | 3.6 |
| .FDB | Portfolio Catalog | 3.6 |
| .KEY | Apple Keynote Presentation | 3.6 |
| .PPF | Edgecam Pathtrace Part File | 3.6 |
| .WDF | Workshare Compare DeltaFile | 3.6 |
| .PJ2 | xPlan Document | 3.6 |
| .BVP | VodaHost BlueVoda Project File | 3.6 |
| .H12 | At Home Canada 2012 Tax Return | 3.6 |
| .RFO | RoboForm Option File | 3.6 |
| .MBG | Microsoft Mailbag | 3.6 |
| .DSZ | Orchida (OES) Embroidery File | 3.6 |
| .HST | History File | 3.6 |
| .L6T | Line 6 Tone File | 3.6 |
| .XLT | Microsoft Excel Spreadsheet Template (Legacy) | 3.6 |
| .PDB | Protein Data Bank File | 3.6 |
| .BOX | E-mail Mailbox | 3.6 |
| .IN | Input File | 3.6 |
| .CRTX | Office 2007 Chart Template File | 3.6 |
| .CMA | Coach Activity File | 3.6 |
| .PPSX | Microsoft PowerPoint Slide Show | 3.6 |
| .FDB | Art Explosion Catalog | 3.6 |
| .BCM | Business Contact Manager File | 3.6 |
| .GEDCOM | GEDCOM Genealogy File | 3.6 |
| .Q08 | QuickTax 2008 Tax Return | 3.6 |
| .IDX | Navigation POI File | 3.6 |
| .XML | XML File | 3.6 |
| .PKT | Packet Tracer Network Simulation Model | 3.6 |
| .VDB | Symantec Virus Database File | 3.6 |
| .QVW | QlikView Document | 3.6 |
| .RET | BusinessObjects Template | 3.6 |
| .RVT | Revit Project File | 3.6 |
| .TSV | Tab-Separated Values File | 3.5 |
| .MMP | Master Album Maker Project | 3.5 |
| .FOX | InfoZoom Data File | 3.5 |
| .NOTEBOOK | SMART Notebook File | 3.5 |
| .SLX | MathWorks Simulink Model File | 3.5 |
| .SAV | SPSS Data File | 3.5 |
| .USR | SmartMusic Custom File | 3.5 |
| .XFD | XFD File | 3.5 |
| .PRO6PLX | ProPresenter 6 Playlist Bundle | 3.5 |
| .OEACCOUNT | Windows Mail Account File | 3.5 |
| .II | IconWorkshop Extended Information File | 3.5 |
| .AW | Answer Wizard File | 3.5 |
| .SVF | Serial Vector Format File | 3.5 |
| .SC45 | SuperCard Project File | 3.5 |
| .MPKT | MOPEKS Trial File | 3.5 |
| .EXIF | Exchangeable Image Information File | 3.5 |
| .T18 | H&R Block 2018 Tax Return | 3.5 |
| .ABY | AOL Address Book File | 3.5 |
| .HDA | HotDocs Auto-Assemble File | 3.5 |
| .GRV | Office Groove File | 3.5 |
| .EV | Echoview File | 3.5 |
| .QPF | Quartus II Project File | 3.5 |
| .PDX | Product Data eXchange File | 3.5 |
| .MNO | Macromedia Design Note | 3.5 |
| .XPT | SAS Transport File | 3.5 |
| .CLK | Corel R.A.V.E Project File | 3.5 |
| .MNC | My Notes Center Notebook | 3.5 |
| .ITL | iTunes Library File | 3.5 |
| .BCI | Belarc Advisor Report File | 3.5 |
| .LMX | Landmark Exchange File | 3.5 |
| .SEN | SenTest Data File | 3.5 |
| .PKS | Oracle Package Spec File | 3.5 |
| .I5Z | IUCLID 5 Import/Export File | 3.5 |
| .GWK | GraphiCode PCB Job File | 3.5 |
| .OFC | Open Financial Connectivity File | 3.5 |
| .SLP | Sisulizer Project File | 3.5 |
| .DSY | Directory Synchronizer Project File | 3.5 |
| .RCG | Recog Character Recognition Set | 3.5 |
| .DVDPROJ | iDVD Project File | 3.5 |
| .KPF | Komodo Project File | 3.5 |
| .DFPROJ | DVD Flick Project | 3.5 |
| .RPT | Crystal Reports File | 3.5 |
| .MPP | Microsoft Project File | 3.5 |
| .ONE | OneNote Document | 3.5 |
| .POTM | Microsoft PowerPoint Macro-Enabled Template | 3.5 |
| .PPTM | Microsoft PowerPoint Macro-Enabled Presentation | 3.5 |
| .PAF | Personal Ancestral File | 3.5 |
| .MOHO | Moho Animation Project | 3.4 |
| .QDF | Quicken Data File | 3.4 |
| .VOI | VOI Group File | 3.4 |
| .FLP | ActivPrimary Flipchart File | 3.4 |
| .PKB | Oracle Package Body File | 3.4 |
| .MOX | ExtendSim Simulation Software Model | 3.4 |
| .TRA | WinTrack Railroad Track File | 3.4 |
| .VCF | vCard File | 3.4 |
| .WINDOWSLIVECONTACT | Windows Live Contacts File | 3.4 |
| .SPS | SPSS Program File | 3.4 |
| .IBA | iBooks Author Document | 3.4 |
| .EFX | eFax Document | 3.4 |
| .MJK | Question File | 3.4 |
| .ENEX | Evernote Archive | 3.4 |
| .ANME | Anime Studio Document | 3.4 |
| .LP7 | LP7 Digitally Signed File | 3.4 |
| .PDS | Planetary Data System File | 3.4 |
| .SEO | SEO Note File | 3.4 |
| .LVM | LabVIEW Measurement File | 3.4 |
| .FFWP | FormsForWeb Packet | 3.4 |
| .LBL | NiceLabel Template File | 3.4 |
| .LAS | LIDAR Data Exchange File | 3.4 |
| .TST | TestPoint Test File | 3.4 |
| .STM | Exchange Streaming Media File | 3.4 |
| .EMB | Wilcom Embroidery Design File | 3.4 |
| .OFX | Open Financial Exchange File | 3.3 |
| .CSV | Comma-Separated Values File | 3.3 |
| .T13 | H&R Block 2013 Tax Return | 3.3 |
| .PTZ | E-Transcript Bundle File | 3.3 |
| .QUICKEN2017 | Quicken 2017 Data File | 3.3 |
| .FMAT | FMAT Runfile | 3.3 |
| .GDT | gretl Datafile | 3.3 |
| .QB2011 | QuickBooks 2011 File | 3.3 |
| .QB2013 | QuickBooks 2013 File | 3.3 |
| .ASND | Adobe Sound Document | 3.3 |
| .WGT | IMPS Data File | 3.3 |
| .RTE | Revit Project Template | 3.3 |
| .LGI | Multimedia Logic File | 3.3 |
| .PDAS | PDAStore Data Store File | 3.3 |
| .HL | HeuristicLab Storage File | 3.3 |
| .GRK | Gradekeeper Class Gradebook File | 3.3 |
| .MYI | MySQL MyISAM Index File | 3.3 |
| .T07 | TaxCut 2007 Tax Return | 3.3 |
| .TRS | WinTrack Railroad Track Text File | 3.3 |
| .PST | Outlook Personal Information Store | 3.3 |
| .AAE | Sidecar Image Edit File | 3.3 |
| .XSL | XML Stylesheet | 3.3 |
| .JRPRINT | JasperReports Print File | 3.3 |
| .TAX2018 | TurboTax 2018 Tax Return | 3.3 |
| .RPP | REAPER Project File | 3.3 |
| .GBR | Gerber File | 3.3 |
| .GCW | Microsoft Mathematics Worksheet | 3.3 |
| .WPC | WordPad Converter File | 3.3 |
| .TPF | Transit NXT Pack Translation File | 3.3 |
| .XRDML | XRDML Data File | 3.3 |
| .NPL | Nokia Playlist File | 3.3 |
| .CELTX | Celtx Project File | 3.3 |
| .POTX | Microsoft PowerPoint Presentation Template | 3.3 |
| .T19 | H&R Block 2019 Tax Return | 3.3 |
| .OMP | Office Manager Document Archive | 3.3 |
| .DCF | Document Computation Format | 3.3 |
| .SLK | Symbolic Link File | 3.3 |
| .PMO | Broderbund Print Meta Object File | 3.3 |
| .CLG | Collage Maker Project File | 3.3 |
| .XMCD | Mathcad Worksheet File | 3.3 |
| .GS | GemStone Document | 3.2 |
| .4DV | 4D View Ultrasound File | 3.2 |
| .XPG | Autoplay Media Studio Exported Page | 3.2 |
| .GPI | Garmin Point of Interest File | 3.2 |
| .MDM | HLM Multivariate Data Matrix File | 3.2 |
| .IDX | HMI Historical Log Index File | 3.2 |
| .TAX2015 | TurboTax 2015 Tax Return | 3.2 |
| .MDSX | MEGA Saved Session | 3.2 |
| .VXML | VoiceXML File | 3.2 |
| .CDF | Common Data Format | 3.2 |
| .TDT | THOR Data Tree File | 3.2 |
| .FPSL | FileMaker Pro Snapshot Link | 3.2 |
| .TB | Tabbery Tab File | 3.2 |
| .CVN | CineVision Encoding Session | 3.2 |
| .KPZ | Komodo Template File | 3.2 |
| .PRJ | Project File | 3.2 |
| .TBK | ToolBook File | 3.2 |
| .VCE | Visual CertExam Exam File | 3.2 |
| .GED | GEDCOM Genealogy Data File | 3.2 |
| .WB3 | Corel Quattro Pro 7 and 8 File | 3.2 |
| .STYKZ | Stykz Animation | 3.2 |
| .LSF | Logos Library System File | 3.2 |
| .ER1 | ERWin Entity Relationship Diagram | 3.2 |
| .VCD | Value Change Dump File | 3.2 |
| .TAX2017 | TurboTax 2017 Tax Return | 3.2 |
| .SIM | SAP Tutor File | 3.2 |
| .QB2014 | QuickBooks 2014 File | 3.1 |
| .FXP | Adobe Flex Project File | 3.1 |
| .TEF | TablEdit Tablature | 3.1 |
| .DAM | DeltaMaster Analysis Model | 3.1 |
| .TWB | Tableau Workbook File | 3.1 |
| .IES | IES Photometric Data File | 3.1 |
| .OUT | Output File | 3.1 |
| .CAP | Packet Capture File | 3.1 |
| .ADCP | Adobe Device Central Project File | 3.1 |
| .TAX2013 | TurboTax 2013 Tax Return | 3.1 |
| .MDJ | StarUML Model File | 3.1 |
| .ABP | AVS Barcode Profile | 3.1 |
| .M | Wolfram Mathematica Language Package | 3.1 |
| .CDX | ChemDraw Exchange File | 3.1 |
| .PTB | Power Tab File | 3.1 |
| .T08 | TaxCut 2008 Tax Return | 3.0 |
| .XSLT | Extensible Stylesheet Language Transformations File | 3.0 |
| .XPJ | RoboHelp HTML Project File | 3.0 |
| .QMTF | Quicken Mac Transfer File | 3.0 |
| .T11 | At Home 2011 Tax Return | 3.0 |
| .XDB | Symantec Virus Database File | 3.0 |
| .IMA | Sage ACT! Email Message | 3.0 |
| .DSB | Wondershare DVD Slideshow Builder Project | 3.0 |
| .ID2 | Windows Live Messenger Emoticon File | 3.0 |
| .T16 | H&R Block 2016 Tax Return | 3.0 |
| .JDB | Symantec Endpoint Protection Update File | 3.0 |
| .BJO | TabRite Tablature File | 3.0 |
| .GNO | GenoPro Genealogy Tree File | 3.0 |
| .PXL | Pocket Excel File | 3.0 |
| .SCD | TurboTax Tax Schedule List | 3.0 |
| .HS2 | HyperRESEARCH 2 Study File | 3.0 |
| .OR6 | Lotus Organizer 6 File | 3.0 |
| .PD4 | Windows Live Photo Gallery Information File | 3.0 |
| .LIX | Logos Library System File | 3.0 |
| .EPF | Edgecam Educational Part File | 3.0 |
| .WCD | Works Calendar File | 3.0 |
| .WGT | XNBC Synaptic Weights File | 3.0 |
| .DII | Summation Batch Load File | 3.0 |
| .XMLPER | LeCroy Binary Waveform File | 3.0 |
| .MMP | MindManager Mind Map | 3.0 |
| .NPT | Portfolio NetPublish Template | 3.0 |
| .SQD | SQ Data File | 3.0 |
| .RNQ | Renque Model File | 3.0 |
| .SAR | Sibelius Arrange Style | 3.0 |
| .CNA | Catena Project File | 3.0 |
| .PTN | PaperPort Thumbnail File | 3.0 |
| .FOP | InfoZoom Protected Data File | 3.0 |
| .DAS | DeltaMaster Analysis Session | 3.0 |
| .PKH | Oracle Package File | 3.0 |
| .ULF | Universal List File | 3.0 |
| .ITX | FileNet eForms Designer Template | 3.0 |
| .WEA | Ecotect Weather File | 3.0 |
| .PD5 | Windows Live Photo Gallery Information File | 3.0 |
| .T06 | TaxCut 2006 Tax Return | 3.0 |
| .SDP | Session Description Protocol File | 3.0 |
| .VRD | Visio Report Definition File | 3.0 |
| .PPF | Transit NXT Pack Project File | 3.0 |
| .BRW | Calyx Point Borrower File | 3.0 |
| .XRP | RationalPlan Project File | 3.0 |
| .MEX | Macro Express File | 3.0 |
| .PSPD | PhotoSuite 5 Project File | 3.0 |
| .ROU | Gerber Route File | 3.0 |
| .TE3 | WinTrack Object File | 3.0 |
| .TAX2008 | TurboTax 2008 Tax Return | 3.0 |
| .SPV | SPSS Output Document | 3.0 |
| .DCM | DiskCatalogMaker Catalog | 3.0 |
| .PCAPNG | Pcap-NG Packet Capture File | 3.0 |
| .QIF | Quicken Interchange Format File | 3.0 |
| .QBW | QuickBooks for Windows Company File | 3.0 |
| .MCDX | Mathcad Prime Document | 2.9 |
| .XFDF | Adobe Acrobat XFDF File | 2.9 |
| .CTF | WhereIsIt Catalog | 2.9 |
| .MCD | Mathcad Document | 2.9 |
| .QFX | Quicken Financial Exchange File | 2.9 |
| .GAN | GanttProject Project File | 2.9 |
| .INX | Compiled Script | 2.9 |
| .ISF | Inspiration Flowchart Document | 2.9 |
| .STA | ABAQUS Status File | 2.9 |
| .MAT | MATLAB MAT-file | 2.9 |
| .MMF | Meal-Master Recipe File | 2.9 |
| .MDC | Multi Dimension Cube File | 2.8 |
| .DBD | DemoShield Project | 2.8 |
| .TAX2019 | TurboTax 2019 Tax Return | 2.8 |
| .WSI | Wise Package Studio Installer Package | 2.8 |
| .NP | Portfolio NetPublish File | 2.8 |
| .NDK | Lotus Notes Design Elements File | 2.8 |
| .DAL | DVD-lab Project File | 2.8 |
| .POD | OpenProj Project File | 2.8 |
| .FTW | Family Tree Maker File | 2.8 |
| .TAX2011 | TurboTax 2011 Tax Return | 2.8 |
| .TT10 | TurboTax Canada 2010 Tax Return | 2.8 |
| .FMC | FormConnect Form File | 2.8 |
| .EXP | Export File | 2.8 |
| .MW | Maple Worksheet | 2.7 |
| .ITMSP | iTunes Store Package | 2.7 |
| .MBX | Outlook Express Mailbox | 2.7 |
| .PNPROJ | Programmer's Notepad Project File | 2.7 |
| .HML | HostMonitor TestList File | 2.6 |
| .SLE | Sisulizer Package File | 2.6 |
| .VDX | Microsoft Visio XML Drawing | 2.6 |
| .SHW | Corel Presentation | 2.6 |
| .MWS | Maple Classic Worksheet | 2.6 |
| .MTW | Minitab Worksheet File | 2.6 |
| .VI | LabVIEW Virtual Instrument File | 2.6 |
| .EPW | EnergyPlus Weather Data File | 2.5 |
| .ESX | Xactimate Insurance Claims Estimate | 2.5 |
| .PJM | xPlan Model | 2.5 |
| .TT12 | TurboTax Canada 2012 Tax Return | 2.5 |
| .LIVEUPDATE | Symantec LiveUpdate File | 2.5 |
| .T09 | At Home 2009 Tax Return | 2.5 |
| .QB2012 | QuickBooks 2012 File | 2.5 |
| .XDNA | DNA Strider Sequence File | 2.5 |
| .NPR | Nuendo Project File | 2.5 |
| .SGML | Standard Generalized Markup Language File | 2.5 |
| .FLO | iGrafx FlowCharter File | 2.5 |
| .IGC | Anime List Builder Input File | 2.5 |
| .DDC | DivX Descriptor File | 2.5 |
| .GRR | Gradekeeper Class Roster File | 2.5 |
| .CLM | MagicJack Call Log File | 2.5 |
| .ROD | Actuate Report Object Design File | 2.5 |
| .TDM | LabVIEW Binary Measurement File | 2.5 |
| .FHC | FHC Data File | 2.5 |
| .KPP | Kid Pix Presentation | 2.5 |
| .QDP | Quick and Dandy Plotter File | 2.5 |
| .PHM | Pro Home Manager Data File | 2.5 |
| .BCC | Calendar Creator File | 2.5 |
| .PXF | Transit XV Pack Project File | 2.4 |
| .GC | GraphClick File | 2.4 |
| .DDCX | DivX Descriptor 2 File | 2.4 |
| .ZDC | CD Catalog Expert Database File | 2.4 |
| .VTX | Visio Template XML File | 2.4 |
| .KID | Kidspiration Document | 2.4 |
| .LGH | HMI Historical Log File | 2.4 |
| .IXB | Ulead Disc Image | 2.3 |
| .OPX | FlipAlbum Photo Album File | 2.3 |
| .KPX | Kid Pix Picture | 2.3 |
| .WNK | Wink Presentation | 2.3 |
| .DMSP | PhotoSuite Project File | 2.3 |
| .LSL | LightScribe Label | 2.3 |
| .QB2009 | QuickBooks 2009 File | 2.2 |
| .ULZ | USBlyzer Data Capture File | 2.2 |
| .CSA | PNA Code Calset File | 2.2 |
| .OND | Lotus Notes Encapsulated Memo File | 2.2 |
| .TFA | TreeSoft CashFlow Analysis Data File | 2.1 |
| .TT13 | TurboTax Canada 2013 Tax Return | 2.0 |
| .CTM | CrazyTalk Model File | 2.0 |
| .TKFL | TKLinks Saver Favorite Links | 2.0 |
| .SPUB | Disc Cover File | 2.0 |
| .MBG | Mailbag Assistant Mailbox File | 2.0 |
| .ODX | BizTalk Server Orchestration File | 2.0 |
| .SWK | StudyWorks Save File | 2.0 |
| .TPB | GROMACS Binary Input File | 2.0 |
| .BLB | Blob Data File | 2.0 |
| .LIX | ExtendSim Simulation Software Library | 2.0 |
| .TXF | Tax Exchange Format | 1.8 |
| .SBX | ESRI Spatial Index File | 1.8 |
| .ITM | iThink Model File | 1.7 |
| .LW4 | Lightwright File | 1.7 |
| .STP | Analysis Studio Project Information File | 1.6 |
| .WB2 | Corel Quattro Pro File | 1.5 |
| .IVT | Beyond 20/20 Table File | 1.5 |
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