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 |
|---|---|---|
| .TA9 | TaxAct 2019 Tax Return File | 4.5 |
| .MS10 | Multisim 10 Circuit Design File | 4.5 |
| .BDC | Babylon Dictionary File | 4.3 |
| .MXAD | Mandelbrot Explorer All Data File | 4.3 |
| .SBD | Office Accounting Company Data File | 4.3 |
| .LDF | SQL Server Transaction Log File | 4.2 |
| .HYV | Team Manager Meet Event File | 4.2 |
| .VMT | Valve Material File | 4.2 |
| .TXD | Game Texture Dictionary | 4.2 |
| .MDL | MathWorks Simulink Model | 4.2 |
| .XEM | PowerDesigner Model Definition File | 4.2 |
| .XTM | CmapTools Exported Topic Map | 4.2 |
| .EBUILD | Portage eBuild Script | 4.1 |
| .NITF | National Imagery Transmission Format File | 4.1 |
| .RSV | RSView32 Project File | 4.1 |
| .LCM | Lipikar Custom Map File | 4.1 |
| .PPTX | Microsoft PowerPoint Presentation | 4.1 |
| .PPSM | Microsoft PowerPoint Macro-Enabled Show | 4.1 |
| .MET | eMule Resource File | 4.1 |
| .TDB | Android Thumbnail Cache | 4.1 |
| .HDF | Hierarchical Data Format (Version 4) | 4.1 |
| .DAT | Data File | 4.0 |
| .BLD | Envisioneer Building Project File | 4.0 |
| .OBB | Android Opaque Binary Blob File | 4.0 |
| .KDC | Kaspersky Virus Database File | 4.0 |
| .TAX2010 | TurboTax 2010 Tax Return | 4.0 |
| .H17 | H&R Block Canada 2017 Tax Return | 4.0 |
| .NOT | Notation File | 4.0 |
| .QB2017 | QuickBooks 2017 for Mac Data File | 4.0 |
| .PRDX | Presentations Document | 4.0 |
| .CAPT | Capito Data File | 4.0 |
| .IGC | International Gliding Commission Data File | 4.0 |
| .TT25 | TurboTax Canada 2025 Tax Return | 4.0 |
| .QUICKENDATA | Quicken Essentials for Mac Data File | 4.0 |
| .H13 | H&R Block Canada 2013 Tax Return | 4.0 |
| .T20 | H&R Block 2020 Tax Return | 4.0 |
| .TAX2025 | TurboTax 2025 Tax Return | 4.0 |
| .PCR | PCMark Vantage Benchmark File | 4.0 |
| .NCORX | Adobe Encore Project | 4.0 |
| .ITLP | iTunes LP Album File | 4.0 |
| .KTH | Keynote Theme | 4.0 |
| .HCE | HydroCAD Hydrograph Data File | 4.0 |
| .STYK | Stykz Stick Figure | 4.0 |
| .TBL | StarCraft Information Table | 4.0 |
| .TOPC | TopicCrunch Project 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 |
| .POI | Magellan Maestro Point of Interest File | 4.0 |
| .WJR | ReGet Deluxe Data File | 4.0 |
| .MMC | Microsoft Media Catalog | 4.0 |
| .BGT | Graphics Accounts Data File | 4.0 |
| .T05 | TaxCut 2005 Tax Return | 4.0 |
| .LDIF | LDAP Data Interchange Format 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 |
| .GGB | GeoGebra Worksheet | 4.0 |
| .PRS | Harvard Graphics Presentation | 4.0 |
| .LOC | GPS Location File | 4.0 |
| .BDIC | Chrome Dictionary File | 4.0 |
| .BIN | Generic Binary File | 4.0 |
| .CWK | ClarisWorks Document | 3.9 |
| .PPT | Microsoft PowerPoint Presentation (Legacy) | 3.9 |
| .CURSORFX | CursorFX Theme File | 3.9 |
| .MDF | Measurement Data Format File | 3.9 |
| .JEF | Janome Embroidery Format File | 3.9 |
| .MENC | Windows Mobile Encrypted File | 3.9 |
| .DIF | Data Interchange Format | 3.9 |
| .FCPEVENT | Final Cut Pro Event File | 3.9 |
| .ADT | ACT! Document Template | 3.9 |
| .CEL | Affymetrix Probe Results File | 3.9 |
| .OPX | OrgPlus Org Chart | 3.9 |
| .OTLN | Opal Outline File | 3.9 |
| .MLS | Milestones Simplicity File | 3.9 |
| .TCC | TimeCalc Classic Data File | 3.9 |
| .EXX | IBM Linkway MsgPut File | 3.9 |
| .AIFB | AIF Builder Project File | 3.9 |
| .VCS | vCalendar Event | 3.9 |
| .EDI | Electronic Data Interchange File | 3.9 |
| .ODP | OpenDocument Presentation | 3.9 |
| .CDX | Compound Index File | 3.8 |
| .OVF | Open Virtualization File | 3.8 |
| .PHOTOSLIBRARY | Photos Library | 3.8 |
| .NET | netViz Project File | 3.8 |
| .RFA | Revit Family File | 3.8 |
| .CONTACT | Windows Contact File | 3.8 |
| .TRK | CompeGPS Land Track File | 3.8 |
| .ROX | Roxio Project File | 3.8 |
| .OPJU | Origin Unicode Project | 3.8 |
| .AAM | Authorware Map File | 3.8 |
| .OVA | Open Virtual Appliance | 3.8 |
| .VDF | AntiVir Virus Definitions File | 3.8 |
| .T12 | At Home 2012 Tax Return | 3.8 |
| .XLF | XLIFF Document | 3.8 |
| .JPH | JProbe Memory Snapshot | 3.8 |
| .LMS | LenMus Score File | 3.8 |
| .PTF | Scrapbook Flair Template | 3.8 |
| .IP | IconPackager Theme File | 3.8 |
| .PPS | Microsoft PowerPoint Slide Show (Legacy) | 3.8 |
| .MAI | Microsoft Mail File | 3.8 |
| .TAR | Tape Archive | 3.8 |
| .ENL | EndNote Library | 3.8 |
| .GRF | DPlot Graph File | 3.8 |
| .PCB | Printed Circuit Board Design File | 3.8 |
| .CKT | CircuitMaker File | 3.8 |
| .DMC | Datamartist Data Canvas File | 3.8 |
| .ROADTRIP | Road Trip Planner File | 3.8 |
| .NDX | dBASE Index (Legacy) | 3.8 |
| .QUICKEN2015 | Quicken 2015 Data File | 3.8 |
| .CLP | CrazyTalk Clip File | 3.8 |
| .TAX2009 | TurboTax 2009 Tax Return | 3.8 |
| .CUB | Analysis Services Cube File | 3.8 |
| .UWL | User Word List File | 3.8 |
| .TDL | Tab Delineated Format File | 3.8 |
| .ZAP | ZoneAlarm Pro Data File | 3.8 |
| .WAB | Windows Address Book | 3.8 |
| .NNP | ANNI Neural Network Portfolio File | 3.8 |
| .LIVEREG | Symantec Antivirus Session File | 3.8 |
| .TTK | Catalyst Translation Toolkit | 3.8 |
| .DOCKZIP | ObjectDock File | 3.8 |
| .GRADE | GradeStat Document | 3.8 |
| .PDX | Adobe Acrobat Index File | 3.7 |
| .JNT | Windows Journal File | 3.7 |
| .CAV | Comodo Virus Definitions File | 3.7 |
| .INK | Mimio Notebook | 3.7 |
| .TMX | Translation Memory Exchange File | 3.7 |
| .TRD | TrID Definitions Package | 3.7 |
| .PRJ | AIMMS Project File | 3.7 |
| .DCMD | DiskCatalogMaker Thumbnail-Enabled Catalog | 3.7 |
| .A6P | Authorware 6 Project | 3.7 |
| .BLG | Windows Binary Performance Log File | 3.7 |
| .QVW | QlikView Document | 3.7 |
| .RP | Axure RP Project File | 3.7 |
| .LIB | Generic Data Library | 3.7 |
| .LOG | Log File | 3.7 |
| .U10 | UFile 2010 Tax Return | 3.7 |
| .T10 | At Home 2010 Tax Return | 3.7 |
| .PRO6PLX | ProPresenter 6 Playlist Bundle | 3.7 |
| .MWF | MapGuide Author Map Window File | 3.7 |
| .PAB | Personal Address Book | 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 |
| .AZZ | AZZ Cardfile Database File | 3.7 |
| .MDL | Rational Rose Model File | 3.7 |
| .EGP | Easy Grade Pro Gradebook File | 3.7 |
| .I5Z | IUCLID 5 Import/Export File | 3.7 |
| .Q09 | QuickTax 2009 Tax Return | 3.7 |
| .DVO | Cook'n Cookbook File | 3.7 |
| .ACC | Graphics Accounts Data File | 3.7 |
| .KEYCHAIN | Mac OS X Keychain File | 3.7 |
| .RBT | LEGO MINDSTORMS NXT Program | 3.6 |
| .FCS | Flow Cytometry Standard File | 3.6 |
| .RSC | Symbian Application Compiled Resource File | 3.6 |
| .PKT | Packet Tracer Network Simulation Model | 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 |
| .FOB | Dynamics NAV Object Container File | 3.6 |
| .MOX | ExtendSim Simulation Software Model | 3.6 |
| .SDF | Structure Data File | 3.6 |
| .XML | XML File | 3.6 |
| .ACS | Agent Character File | 3.6 |
| .IN | Input File | 3.6 |
| .IDX | Navigation POI File | 3.6 |
| .PJ2 | xPlan Document | 3.6 |
| .BVP | VodaHost BlueVoda Project File | 3.6 |
| .H12 | At Home Canada 2012 Tax Return | 3.6 |
| .PPF | Edgecam Pathtrace Part File | 3.6 |
| .WDF | Workshare Compare DeltaFile | 3.6 |
| .RFO | RoboForm Option File | 3.6 |
| .FDB | Portfolio Catalog | 3.6 |
| .CURXPTHEME | CursorXP Theme File | 3.6 |
| .MBG | Microsoft Mailbag | 3.6 |
| .MFO | Perl ModInfo Descriptor File | 3.6 |
| .HST | History File | 3.6 |
| .L6T | Line 6 Tone File | 3.6 |
| .KEY | Apple Keynote Presentation | 3.6 |
| .PDB | Protein Data Bank File | 3.6 |
| .Q08 | QuickTax 2008 Tax Return | 3.6 |
| .LY | LilyPond File | 3.6 |
| .GEDCOM | GEDCOM Genealogy File | 3.6 |
| .TRS | WinTrack Railroad Track Text File | 3.6 |
| .RVT | Revit Project File | 3.6 |
| .TSV | Tab-Separated Values File | 3.6 |
| .VDB | Symantec Virus Database File | 3.6 |
| .FDB | Art Explosion Catalog | 3.6 |
| .GALLERY | SMART Notebook Gallery File | 3.6 |
| .RET | BusinessObjects Template | 3.6 |
| .PPSX | Microsoft PowerPoint Slide Show | 3.6 |
| .SAV | SPSS Data File | 3.5 |
| .FOX | InfoZoom Data File | 3.5 |
| .KPF | Komodo Project File | 3.5 |
| .NOTEBOOK | SMART Notebook File | 3.5 |
| .USR | SmartMusic Custom File | 3.5 |
| .TXN | MySpaceIM Conversation Log File | 3.5 |
| .XLT | Microsoft Excel Spreadsheet Template (Legacy) | 3.5 |
| .SVF | Serial Vector Format File | 3.5 |
| .SLX | MathWorks Simulink Model File | 3.5 |
| .MPKT | MOPEKS Trial File | 3.5 |
| .OEACCOUNT | Windows Mail Account File | 3.5 |
| .CMA | Coach Activity File | 3.5 |
| .T18 | H&R Block 2018 Tax Return | 3.5 |
| .II | IconWorkshop Extended Information File | 3.5 |
| .SC45 | SuperCard Project File | 3.5 |
| .GRV | Office Groove File | 3.5 |
| .SEN | SenTest Data File | 3.5 |
| .MNO | Macromedia Design Note | 3.5 |
| .EV | Echoview File | 3.5 |
| .XPT | SAS Transport File | 3.5 |
| .QPF | Quartus II Project File | 3.5 |
| .MPZ | Miradi Project File | 3.5 |
| .CLK | Corel R.A.V.E Project File | 3.5 |
| .BCM | Business Contact Manager File | 3.5 |
| .MNC | My Notes Center Notebook | 3.5 |
| .ABY | AOL Address Book File | 3.5 |
| .ITL | iTunes Library File | 3.5 |
| .BCI | Belarc Advisor Report File | 3.5 |
| .HDA | HotDocs Auto-Assemble File | 3.5 |
| .PKS | Oracle Package Spec File | 3.5 |
| .GWK | GraphiCode PCB Job File | 3.5 |
| .OFC | Open Financial Connectivity File | 3.5 |
| .DSY | Directory Synchronizer Project File | 3.5 |
| .RCG | Recog Character Recognition Set | 3.5 |
| .DVDPROJ | iDVD Project File | 3.5 |
| .DFPROJ | DVD Flick Project | 3.5 |
| .RPT | Crystal Reports File | 3.5 |
| .MPP | Microsoft Project File | 3.5 |
| .PPTM | Microsoft PowerPoint Macro-Enabled Presentation | 3.5 |
| .ONE | OneNote Document | 3.5 |
| .POTM | Microsoft PowerPoint Macro-Enabled Template | 3.5 |
| .PAF | Personal Ancestral File | 3.5 |
| .MOHO | Moho Animation Project | 3.4 |
| .EXIF | Exchangeable Image Information File | 3.4 |
| .QDF | Quicken Data File | 3.4 |
| .VCF | vCard File | 3.4 |
| .XFD | XFD File | 3.4 |
| .AW | Answer Wizard File | 3.4 |
| .DSZ | Orchida (OES) Embroidery File | 3.4 |
| .TRA | WinTrack Railroad Track File | 3.4 |
| .WINDOWSLIVECONTACT | Windows Live Contacts File | 3.4 |
| .EFX | eFax Document | 3.4 |
| .MJK | Question File | 3.4 |
| .LP7 | LP7 Digitally Signed File | 3.4 |
| .FLP | ActivPrimary Flipchart File | 3.4 |
| .PDS | Planetary Data System File | 3.4 |
| .SEO | SEO Note File | 3.4 |
| .JBI | Motoman Robot Job File | 3.4 |
| .ANME | Anime Studio Document | 3.4 |
| .FFWP | FormsForWeb Packet | 3.4 |
| .LAS | LIDAR Data Exchange File | 3.4 |
| .RPP | REAPER Project File | 3.4 |
| .SPS | SPSS Program File | 3.4 |
| .LBL | NiceLabel Template File | 3.4 |
| .TST | TestPoint Test File | 3.4 |
| .STM | Exchange Streaming Media File | 3.4 |
| .GBR | Gerber File | 3.4 |
| .OFX | Open Financial Exchange File | 3.4 |
| .EMB | Wilcom Embroidery Design File | 3.4 |
| .CSV | Comma-Separated Values File | 3.4 |
| .XSL | XML Stylesheet | 3.4 |
| .AAE | Sidecar Image Edit File | 3.3 |
| .PST | Outlook Personal Information Store | 3.3 |
| .LIVEUPDATE | Symantec LiveUpdate 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 |
| .FMAT | FMAT Runfile | 3.3 |
| .GDT | gretl Datafile | 3.3 |
| .QUICKEN2017 | Quicken 2017 Data File | 3.3 |
| .SLK | Symbolic Link File | 3.3 |
| .RTE | Revit Project Template | 3.3 |
| .POTX | Microsoft PowerPoint Presentation Template | 3.3 |
| .LGI | Multimedia Logic File | 3.3 |
| .PDAS | PDAStore Data Store File | 3.3 |
| .HL | HeuristicLab Storage File | 3.3 |
| .ASND | Adobe Sound Document | 3.3 |
| .MYI | MySQL MyISAM Index File | 3.3 |
| .T07 | TaxCut 2007 Tax Return | 3.3 |
| .XPG | Autoplay Media Studio Exported Page | 3.3 |
| .JRPRINT | JasperReports Print File | 3.3 |
| .TAX2018 | TurboTax 2018 Tax Return | 3.3 |
| .GCW | Microsoft Mathematics Worksheet | 3.3 |
| .TPF | Transit NXT Pack Translation File | 3.3 |
| .WPC | WordPad Converter File | 3.3 |
| .ENEX | Evernote Archive | 3.3 |
| .XRDML | XRDML Data File | 3.3 |
| .TAX2015 | TurboTax 2015 Tax Return | 3.3 |
| .PRJ | Project File | 3.3 |
| .CELTX | Celtx Project File | 3.3 |
| .T19 | H&R Block 2019 Tax Return | 3.3 |
| .OMP | Office Manager Document Archive | 3.3 |
| .MX | Mathematica Serialized Package File | 3.3 |
| .DAM | DeltaMaster Analysis Model | 3.3 |
| .GRK | Gradekeeper Class Gradebook File | 3.3 |
| .PDFIG | PDF Index Generator Project File | 3.3 |
| .XMCD | Mathcad Worksheet | 3.3 |
| .GS | GemStone Document | 3.2 |
| .4DV | 4D View Ultrasound File | 3.2 |
| .GPI | Garmin Point of Interest File | 3.2 |
| .MDM | HLM Multivariate Data Matrix File | 3.2 |
| .PLS | MYOB Accounting Data File | 3.2 |
| .MDSX | MEGA Saved Session | 3.2 |
| .VXML | VoiceXML File | 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 |
| .CDF | Common Data Format | 3.2 |
| .TBK | ToolBook File | 3.2 |
| .LVM | LabVIEW Measurement File | 3.2 |
| .VCE | Visual CertExam Exam File | 3.2 |
| .WB3 | Corel Quattro Pro 7 and 8 File | 3.2 |
| .STYKZ | Stykz Animation | 3.2 |
| .SCD | TurboTax Tax Schedule List | 3.2 |
| .GED | GEDCOM Genealogy Data File | 3.2 |
| .VCD | Value Change Dump File | 3.2 |
| .TAX2017 | TurboTax 2017 Tax Return | 3.2 |
| .QB2014 | QuickBooks 2014 File | 3.1 |
| .SIM | SAP Tutor File | 3.1 |
| .TEF | TablEdit Tablature | 3.1 |
| .FXP | Adobe Flex Project File | 3.1 |
| .TWB | Tableau Workbook File | 3.1 |
| .IES | IES Photometric Data File | 3.1 |
| .OUT | Output File | 3.1 |
| .ADCP | Adobe Device Central Project File | 3.1 |
| .CLG | Collage Maker Project File | 3.1 |
| .BTM | BizTalk Map File | 3.1 |
| .CAP | Packet Capture File | 3.1 |
| .STA | ABAQUS Status File | 3.1 |
| .MDJ | StarUML Model File | 3.1 |
| .TAX2013 | TurboTax 2013 Tax Return | 3.1 |
| .NPL | Nokia Playlist 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 |
| .CTF | WhereIsIt Catalog | 3.1 |
| .PCAPNG | Pcap-NG Packet Capture File | 3.0 |
| .MCDX | Mathcad Prime Document | 3.0 |
| .TAX2024 | TurboTax 2024 Tax Return | 3.0 |
| .QMTF | Quicken Mac Transfer File | 3.0 |
| .ID2 | Windows Live Messenger Emoticon File | 3.0 |
| .DSB | Wondershare DVD Slideshow Builder Project | 3.0 |
| .IBA | iBooks Author Document | 3.0 |
| .T16 | H&R Block 2016 Tax Return | 3.0 |
| .T08 | TaxCut 2008 Tax Return | 3.0 |
| .JDB | Symantec Endpoint Protection Update File | 3.0 |
| .XPJ | RoboHelp HTML Project | 3.0 |
| .T11 | At Home 2011 Tax Return | 3.0 |
| .EPF | Edgecam Educational Part File | 3.0 |
| .OR6 | Lotus Organizer 6 File | 3.0 |
| .NSQ | NScheduler Data File | 3.0 |
| .CNA | Catena Project File | 3.0 |
| .PD4 | Windows Live Photo Gallery Information File | 3.0 |
| .PEP | TurboProject Project File | 3.0 |
| .IX2 | WordPerfect Address Book File | 3.0 |
| .SSWA | ScanSnap Windows Content Data Records File | 3.0 |
| .DII | Summation Batch Load File | 3.0 |
| .PD5 | Windows Live Photo Gallery Information File | 3.0 |
| .BJO | TabRite Tablature File | 3.0 |
| .MMP | MindManager Mind Map | 3.0 |
| .HS2 | HyperRESEARCH 2 Study File | 3.0 |
| .NPT | Portfolio NetPublish Template | 3.0 |
| .SQD | SQ Data File | 3.0 |
| .AMSORM | OnLine Ringman Auction Client File | 3.0 |
| .BRW | Calyx Point Borrower File | 3.0 |
| .IBCD | InstantBingoCard Document | 3.0 |
| .ITE | iTunes Extras File | 3.0 |
| .WEA | Ecotect Weather File | 3.0 |
| .FOP | InfoZoom Protected Data File | 3.0 |
| .DAS | DeltaMaster Analysis Session | 3.0 |
| .ULF | Universal List File | 3.0 |
| .ITX | FileNet eForms Designer Template | 3.0 |
| .PPF | Transit NXT Pack Project File | 3.0 |
| .T06 | TaxCut 2006 Tax Return | 3.0 |
| .PSPD | PhotoSuite 5 Project File | 3.0 |
| .WCD | Works Calendar File | 3.0 |
| .SDP | Session Description Protocol File | 3.0 |
| .VRD | Visio Report Definition File | 3.0 |
| .GLD | Ground Loop Design Work File | 3.0 |
| .NNI | ANNI Neural Network Investing File | 3.0 |
| .XRP | RationalPlan Project File | 3.0 |
| .SBW | US Treasury Savings Bonds Wizard File | 3.0 |
| .ROU | Gerber Route File | 3.0 |
| .TE3 | WinTrack Object File | 3.0 |
| .QIF | Quicken Interchange Format File | 3.0 |
| .GAN | GanttProject Project File | 3.0 |
| .SPV | SPSS Output Document | 2.9 |
| .XFDF | Adobe Acrobat XFDF File | 2.9 |
| .QFX | Quicken Financial Exchange File | 2.9 |
| .DCM | DiskCatalogMaker Catalog | 2.9 |
| .QBW | QuickBooks for Windows Company File | 2.9 |
| .INX | Compiled Script | 2.9 |
| .ISF | Inspiration Flowchart Document | 2.9 |
| .IMA | Sage ACT! Email Message | 2.9 |
| .MAT | MATLAB MAT-file | 2.9 |
| .MMF | Meal-Master Recipe File | 2.9 |
| .PPP | CyberLink PowerProducer Project | 2.9 |
| .TAX2019 | TurboTax 2019 Tax Return | 2.8 |
| .TS | Qt Translation Source File | 2.8 |
| .DDCX | DivX Descriptor 2 File | 2.8 |
| .MDC | Multi Dimension Cube File | 2.8 |
| .DBD | DemoShield Project | 2.8 |
| .XSLT | Extensible Stylesheet Language Transformations File | 2.8 |
| .FMC | FormConnect Form File | 2.8 |
| .WSI | Wise Package Studio Installer Package | 2.8 |
| .NDK | Lotus Notes Design Elements File | 2.8 |
| .POD | OpenProj Project File | 2.8 |
| .PXL | Pocket Excel File | 2.8 |
| .FTW | Family Tree Maker File | 2.8 |
| .EXP | Export File | 2.8 |
| .XDB | Symantec Virus Database File | 2.8 |
| .TT10 | TurboTax Canada 2010 Tax Return | 2.8 |
| .TAX2011 | TurboTax 2011 Tax Return | 2.8 |
| .XRY | XRY Data File | 2.8 |
| .GC | GraphClick File | 2.8 |
| .MW | Maple Worksheet | 2.7 |
| .ITMSP | iTunes Store Package | 2.7 |
| .PNPROJ | Programmer's Notepad Project File | 2.7 |
| .QB2010 | QuickBooks 2010 File | 2.7 |
| .MBX | Outlook Express Mailbox | 2.7 |
| .FHC | FHC Data File | 2.7 |
| .HML | HostMonitor TestList File | 2.6 |
| .SLE | Sisulizer Package File | 2.6 |
| .VDX | Microsoft Visio XML Drawing | 2.6 |
| .MWS | Maple Classic Worksheet | 2.6 |
| .CAF | Class Action Gradebook File | 2.6 |
| .ESX | Xactimate Insurance Claims Estimate | 2.6 |
| .FLO | iGrafx FlowCharter File | 2.6 |
| .MTW | Minitab Worksheet File | 2.6 |
| .VI | LabVIEW Virtual Instrument File | 2.6 |
| .TT12 | TurboTax Canada 2012 Tax Return | 2.5 |
| .PJM | xPlan Model | 2.5 |
| .QB2012 | QuickBooks 2012 File | 2.5 |
| .XDNA | DNA Strider Sequence File | 2.5 |
| .T09 | At Home 2009 Tax Return | 2.5 |
| .SGML | Standard Generalized Markup Language File | 2.5 |
| .QDP | Quick and Dandy Plotter File | 2.5 |
| .PMM | Pegasus Mail Mailbox File | 2.5 |
| .HCR | HydroCAD Rainfall Curve Data File | 2.5 |
| .CLM | MagicJack Call Log File | 2.5 |
| .NP | Portfolio NetPublish File | 2.5 |
| .IGC | Anime List Builder Input File | 2.5 |
| .DDC | DivX Descriptor File | 2.5 |
| .ULZ | USBlyzer Data Capture File | 2.5 |
| .TDM | LabVIEW Binary Measurement File | 2.5 |
| .GRR | Gradekeeper Class Roster File | 2.5 |
| .ROD | Actuate Report Object Design File | 2.5 |
| .NPR | Nuendo Project File | 2.5 |
| .BCC | Calendar Creator File | 2.5 |
| .KPP | Kid Pix Presentation | 2.5 |
| .WSM | Wise Package Studio Merge Module | 2.5 |
| .PHM | Pro Home Manager Data File | 2.5 |
| .SHW | Corel Presentation | 2.5 |
| .EPW | EnergyPlus Weather Data File | 2.4 |
| .PXF | Transit XV Pack Project 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 |
| .VBPF1 | Virtual Business - Personal Finance Data File | 2.3 |
| .OPX | FlipAlbum Photo Album File | 2.3 |
| .KPX | Kid Pix Picture | 2.3 |
| .WNK | Wink Presentation | 2.3 |
| .XPR | SyncRO Soft oXygen XML Editor Project | 2.3 |
| .DMSP | PhotoSuite Project File | 2.3 |
| .LSL | LightScribe Label | 2.3 |
| .QB2009 | QuickBooks 2009 File | 2.2 |
| .BLB | Blob Data 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 |
| .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 |
| .CTM | CrazyTalk Model File | 2.0 |
| .TPB | GROMACS Binary Input File | 2.0 |
| .SIDX | StuffIt Archive Index File | 2.0 |
| .ODX | BizTalk Server Orchestration File | 1.8 |
| .SBX | ESRI Spatial Index File | 1.8 |
| .ITM | iThink Model 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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