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 |
| .DAT | Data File | 4.0 |
| .PPSM | Microsoft PowerPoint Macro-Enabled Show | 4.0 |
| .TDB | Android Thumbnail Cache | 4.0 |
| .OBB | Android Opaque Binary Blob File | 4.0 |
| .H13 | H&R Block Canada 2013 Tax Return | 4.0 |
| .HDF | Hierarchical Data Format (Version 4) | 4.0 |
| .NOT | Notation File | 4.0 |
| .TRK | CompeGPS Land Track File | 4.0 |
| .TAX2010 | TurboTax 2010 Tax Return | 4.0 |
| .T20 | H&R Block 2020 Tax Return | 4.0 |
| .NCORX | Adobe Encore Project | 4.0 |
| .TAX2023 | TurboTax 2023 Tax Return | 4.0 |
| .PRDX | Presentations Document | 4.0 |
| .QB2017 | QuickBooks 2017 for Mac Data File | 4.0 |
| .QUICKENDATA | Quicken Essentials for Mac Data File | 4.0 |
| .KDC | Kaspersky Virus Database File | 4.0 |
| .CAPT | Capito Data File | 4.0 |
| .H17 | H&R Block Canada 2017 Tax Return | 4.0 |
| .TA9 | TaxAct 2019 Tax Return File | 4.0 |
| .IGC | International Gliding Commission Data File | 4.0 |
| .KTH | Keynote Theme | 4.0 |
| .STYK | Stykz Stick Figure | 4.0 |
| .POI | Magellan Maestro Point of Interest File | 4.0 |
| .AZZ | AZZ Cardfile Database File | 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 |
| .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 |
| .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 |
| .CWK | ClarisWorks Document | 3.9 |
| .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 |
| .MENC | Windows Mobile Encrypted File | 3.9 |
| .BDIC | Chrome Dictionary 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 |
| .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 |
| .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 |
| .ROX | Roxio Project File | 3.8 |
| .CLP | CrazyTalk Clip File | 3.8 |
| .ZMC | ZoneAlarm Quarantine File | 3.8 |
| .PKA | Packet Tracer Activity File | 3.8 |
| .OPJU | Origin Unicode Project | 3.8 |
| .PPS | Microsoft PowerPoint Slide Show (Legacy) | 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 |
| .ENL | EndNote Library | 3.8 |
| .GRF | DPlot Graph File | 3.8 |
| .NDX | dBASE Index (Legacy) | 3.8 |
| .TAX2009 | TurboTax 2009 Tax Return | 3.8 |
| .QUICKEN2015 | Quicken 2015 Data File | 3.8 |
| .ROADTRIP | Road Trip Planner File | 3.8 |
| .UWL | User Word List 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 |
| .TAR | Tape Archive | 3.7 |
| .INK | Mimio Notebook | 3.7 |
| .SDS | OpenOffice Chart | 3.7 |
| .TRD | TrID Definitions Package | 3.7 |
| .CKT | CircuitMaker File | 3.7 |
| .XLF | XLIFF Document | 3.7 |
| .FOB | Dynamics NAV Object Container File | 3.7 |
| .PRJ | AIMMS Project File | 3.7 |
| .TCC | TimeCalc Classic Data 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 |
| .PTF | Scrapbook Flair Template | 3.7 |
| .ACC | Graphics Accounts Data File | 3.7 |
| .LOG | Log File | 3.7 |
| .PDX | Adobe Acrobat Index File | 3.7 |
| .PCR | PCMark Vantage Benchmark File | 3.7 |
| .U10 | UFile 2010 Tax Return | 3.7 |
| .T10 | At Home 2010 Tax Return | 3.7 |
| .MWF | MapGuide Author Map Window File | 3.7 |
| .PAB | Personal Address Book | 3.7 |
| .Q08 | QuickTax 2008 Tax Return | 3.7 |
| .QPB | QuickBooks Point of Sale Data File | 3.7 |
| .IMT | My Time Data File | 3.7 |
| .OO3 | OmniOutliner 3 File | 3.7 |
| .EMLXPART | Mail Message Attachment | 3.7 |
| .POTM | Microsoft PowerPoint Macro-Enabled Template | 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 |
| .EGP | Easy Grade Pro Gradebook File | 3.7 |
| .Q09 | QuickTax 2009 Tax Return | 3.7 |
| .PHB | Motorola Phone Book File | 3.7 |
| .ACS | Agent Character File | 3.7 |
| .KEYCHAIN | Mac OS X Keychain File | 3.7 |
| .RBT | LEGO MINDSTORMS NXT Program | 3.6 |
| .RSC | Symbian Application Compiled Resource File | 3.6 |
| .LIB | Generic Data Library | 3.6 |
| .PFC | AOL Personal Filing Cabinet | 3.6 |
| .UCCAPILOG | Microsoft UCC API Log File | 3.6 |
| .3DR | 3DMark Results 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 |
| .PPF | Edgecam Pathtrace Part File | 3.6 |
| .WDF | Workshare Compare DeltaFile | 3.6 |
| .BVP | VodaHost BlueVoda Project File | 3.6 |
| .PJ2 | xPlan Document | 3.6 |
| .H12 | At Home Canada 2012 Tax Return | 3.6 |
| .MBG | Microsoft Mailbag | 3.6 |
| .DSZ | Orchida (OES) Embroidery File | 3.6 |
| .RFO | RoboForm Option File | 3.6 |
| .HST | History File | 3.6 |
| .L6T | Line 6 Tone File | 3.6 |
| .KEY | Apple Keynote Presentation | 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 |
| .PPSX | Microsoft PowerPoint Slide Show | 3.6 |
| .CMA | Coach Activity File | 3.6 |
| .FDB | Art Explosion Catalog | 3.6 |
| .BCM | Business Contact Manager File | 3.6 |
| .GEDCOM | GEDCOM Genealogy File | 3.6 |
| .IDX | Navigation POI File | 3.6 |
| .XML | XML File | 3.6 |
| .PKT | Packet Tracer Network Simulation Model | 3.6 |
| .QVW | QlikView Document | 3.6 |
| .VDB | Symantec Virus Database File | 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 |
| .OEACCOUNT | Windows Mail Account File | 3.5 |
| .II | IconWorkshop Extended Information File | 3.5 |
| .AW | Answer Wizard File | 3.5 |
| .PRO6PLX | ProPresenter 6 Playlist Bundle | 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 |
| .SVF | Serial Vector Format File | 3.5 |
| .CLK | Corel R.A.V.E Project File | 3.5 |
| .MNO | Macromedia Design Note | 3.5 |
| .EV | Echoview File | 3.5 |
| .HDA | HotDocs Auto-Assemble File | 3.5 |
| .XPT | SAS Transport File | 3.5 |
| .MNC | My Notes Center Notebook | 3.5 |
| .ITL | iTunes Library File | 3.5 |
| .PDX | Product Data eXchange File | 3.5 |
| .BCI | Belarc Advisor Report File | 3.5 |
| .LMX | Landmark Exchange File | 3.5 |
| .SEN | SenTest Data File | 3.5 |
| .ABY | AOL Address Book 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 |
| .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 |
| .GRV | Office Groove 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 |
| .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 |
| .VCF | vCard File | 3.4 |
| .FLP | ActivPrimary Flipchart File | 3.4 |
| .PKB | Oracle Package Body File | 3.4 |
| .OFC | Open Financial Connectivity File | 3.4 |
| .MOX | ExtendSim Simulation Software Model | 3.4 |
| .TRA | WinTrack Railroad Track File | 3.4 |
| .SPS | SPSS Program File | 3.4 |
| .IBA | iBooks Author Document | 3.4 |
| .EFX | eFax Document | 3.4 |
| .ENEX | Evernote Archive | 3.4 |
| .MJK | Question File | 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 |
| .WINDOWSLIVECONTACT | Windows Live Contacts File | 3.4 |
| .EMB | Wilcom Embroidery Design File | 3.4 |
| .OFX | Open Financial Exchange File | 3.3 |
| .CSV | Comma-Separated Values File | 3.3 |
| .PTZ | E-Transcript Bundle File | 3.3 |
| .QB2011 | QuickBooks 2011 File | 3.3 |
| .T13 | H&R Block 2013 Tax Return | 3.3 |
| .QB2013 | QuickBooks 2013 File | 3.3 |
| .GDT | gretl Datafile | 3.3 |
| .FMAT | FMAT Runfile | 3.3 |
| .QUICKEN2017 | Quicken 2017 Data File | 3.3 |
| .ASND | Adobe Sound Document | 3.3 |
| .RTE | Revit Project Template | 3.3 |
| .WGT | IMPS Data File | 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 |
| .PMO | Broderbund Print Meta Object File | 3.3 |
| .DCF | Document Computation Format | 3.3 |
| .CLG | Collage Maker Project File | 3.3 |
| .OMP | Office Manager Document Archive | 3.3 |
| .SLK | Symbolic Link 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 |
| .FPSL | FileMaker Pro Snapshot Link | 3.2 |
| .TB | Tabbery Tab File | 3.2 |
| .TDT | THOR Data Tree 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 |
| .CAP | Packet Capture File | 3.2 |
| .VCD | Value Change Dump File | 3.2 |
| .TAX2017 | TurboTax 2017 Tax Return | 3.2 |
| .SIM | SAP Tutor File | 3.2 |
| .FXP | Adobe Flex Project File | 3.1 |
| .QB2014 | QuickBooks 2014 File | 3.1 |
| .TEF | TablEdit Tablature | 3.1 |
| .DAM | DeltaMaster Analysis Model | 3.1 |
| .TWB | Tableau Workbook File | 3.1 |
| .OUT | Output File | 3.1 |
| .ADCP | Adobe Device Central Project File | 3.1 |
| .INX | Compiled Script | 3.1 |
| .RTE | Navigation Route | 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 |
| .IES | IES Photometric Data File | 3.1 |
| .PTB | Power Tab File | 3.1 |
| .T16 | H&R Block 2016 Tax Return | 3.0 |
| .QMTF | Quicken Mac Transfer File | 3.0 |
| .T11 | At Home 2011 Tax Return | 3.0 |
| .XSLT | Extensible Stylesheet Language Transformations File | 3.0 |
| .T08 | TaxCut 2008 Tax Return | 3.0 |
| .XPJ | RoboHelp HTML Project File | 3.0 |
| .DSB | Wondershare DVD Slideshow Builder Project | 3.0 |
| .IMA | Sage ACT! Email Message | 3.0 |
| .ID2 | Windows Live Messenger Emoticon File | 3.0 |
| .XDB | Symantec Virus Database File | 3.0 |
| .JDB | Symantec Endpoint Protection Update File | 3.0 |
| .BJO | TabRite Tablature File | 3.0 |
| .SCD | TurboTax Tax Schedule List | 3.0 |
| .GNO | GenoPro Genealogy Tree File | 3.0 |
| .OR6 | Lotus Organizer 6 File | 3.0 |
| .PD5 | Windows Live Photo Gallery Information File | 3.0 |
| .LIX | Logos Library System File | 3.0 |
| .PPF | Transit NXT Pack Project File | 3.0 |
| .EPF | Edgecam Educational Part File | 3.0 |
| .WCD | Works Calendar File | 3.0 |
| .PTN | PaperPort Thumbnail File | 3.0 |
| .WGT | XNBC Synaptic Weights File | 3.0 |
| .DII | Summation Batch Load File | 3.0 |
| .XMLPER | LeCroy Binary Waveform File | 3.0 |
| .CNA | Catena Project 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 |
| .HS2 | HyperRESEARCH 2 Study File | 3.0 |
| .SAR | Sibelius Arrange Style | 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 |
| .PXL | Pocket Excel File | 3.0 |
| .WEA | Ecotect Weather File | 3.0 |
| .PD4 | 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 |
| .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 |
| .DCM | DiskCatalogMaker Catalog | 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 |
| .PCAPNG | Pcap-NG Packet Capture File | 3.0 |
| .QIF | Quicken Interchange Format File | 3.0 |
| .QBW | QuickBooks for Windows Company File | 3.0 |
| .XFDF | Adobe Acrobat XFDF File | 2.9 |
| .MCDX | Mathcad Prime Document | 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 |
| .ISF | Inspiration Flowchart Document | 2.9 |
| .STA | ABAQUS Status File | 2.9 |
| .POD | OpenProj Project 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 |
| .NP | Portfolio NetPublish File | 2.8 |
| .NDK | Lotus Notes Design Elements File | 2.8 |
| .DAL | DVD-lab 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 |
| .VDX | Microsoft Visio XML Drawing | 2.7 |
| .ITMSP | iTunes Store Package | 2.7 |
| .MW | Maple Worksheet | 2.7 |
| .PNPROJ | Programmer's Notepad Project File | 2.7 |
| .MBX | Outlook Express Mailbox | 2.7 |
| .HML | HostMonitor TestList File | 2.6 |
| .SLE | Sisulizer Package File | 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 |
| .XDNA | DNA Strider Sequence File | 2.5 |
| .LIVEUPDATE | Symantec LiveUpdate File | 2.5 |
| .TT12 | TurboTax Canada 2012 Tax Return | 2.5 |
| .T09 | At Home 2009 Tax Return | 2.5 |
| .QB2012 | QuickBooks 2012 File | 2.5 |
| .PJM | xPlan Model | 2.5 |
| .NPR | Nuendo Project File | 2.5 |
| .SGML | Standard Generalized Markup Language File | 2.5 |
| .BCC | Calendar Creator File | 2.5 |
| .CLM | MagicJack Call Log 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 |
| .ROD | Actuate Report Object Design File | 2.5 |
| .TDM | LabVIEW Binary Measurement 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 |
| .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 |
| .FHC | FHC Data File | 2.1 |
| .TFA | TreeSoft CashFlow Analysis Data File | 2.1 |
| .TT13 | TurboTax Canada 2013 Tax Return | 2.0 |
| .TET | Textease CT Template | 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 |
| .CTM | CrazyTalk Model File | 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 |
| .IVT | Beyond 20/20 Table File | 1.5 |
| .WB2 | Corel Quattro Pro File | 1.5 |
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