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 |
| .SBD | Office Accounting Company Data File | 4.3 |
| .LDF | SQL Server Transaction Log File | 4.2 |
| .HYV | Team Manager Meet Event File | 4.2 |
| .MDL | MathWorks Simulink Model | 4.2 |
| .VMT | Valve Material File | 4.2 |
| .TXD | Game Texture Dictionary | 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 |
| .PPSM | Microsoft PowerPoint Macro-Enabled Show | 4.1 |
| .MET | eMule Resource File | 4.1 |
| .TDB | Android Thumbnail Cache | 4.1 |
| .DAT | Data File | 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 |
| .TT24 | TurboTax Canada 2024 Tax Return | 4.0 |
| .NCORX | Adobe Encore Project | 4.0 |
| .KDC | Kaspersky Virus Database File | 4.0 |
| .QB2017 | QuickBooks 2017 for Mac Data File | 4.0 |
| .IGC | International Gliding Commission Data File | 4.0 |
| .H17 | H&R Block Canada 2017 Tax Return | 4.0 |
| .NOT | Notation File | 4.0 |
| .TAX2010 | TurboTax 2010 Tax Return | 4.0 |
| .QUICKENDATA | Quicken Essentials for Mac Data File | 4.0 |
| .CAPT | Capito Data File | 4.0 |
| .PRDX | Presentations Document | 4.0 |
| .T20 | H&R Block 2020 Tax Return | 4.0 |
| .TAX2024 | TurboTax 2024 Tax Return | 4.0 |
| .KTH | Keynote Theme | 4.0 |
| .GLS | Babylon Glossary File | 4.0 |
| .STYK | Stykz Stick Figure | 4.0 |
| .TOPC | TopicCrunch Project File | 4.0 |
| .POI | Magellan Maestro Point of Interest 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 |
| .AZZ | AZZ Cardfile Database File | 4.0 |
| .DRL | Gerber Drill Rack File | 4.0 |
| .RAL | WinRail Track Design File | 4.0 |
| .PPT | Microsoft PowerPoint Presentation (Legacy) | 4.0 |
| .GGB | GeoGebra Worksheet | 4.0 |
| .PRS | Harvard Graphics Presentation | 4.0 |
| .LOC | GPS Location File | 4.0 |
| .BIN | Generic Binary File | 4.0 |
| .ADT | ACT! Document Template | 4.0 |
| .DIF | Data Interchange Format | 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 |
| .LCM | Lipikar Custom Map File | 3.9 |
| .JEF | Janome Embroidery Format File | 3.9 |
| .OPX | OrgPlus Org Chart | 3.9 |
| .TBL | StarCraft Information Table | 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 |
| .VCS | vCalendar Event | 3.9 |
| .EDI | Electronic Data Interchange File | 3.9 |
| .PC | Personal Composer File | 3.9 |
| .PMO | Broderbund Print Meta Object File | 3.9 |
| .CDX | Compound Index File | 3.9 |
| .PKA | Packet Tracer Activity File | 3.8 |
| .OVF | Open Virtualization File | 3.8 |
| .ALI | Dynamics AX Label Index File | 3.8 |
| .NET | netViz Project File | 3.8 |
| .PPS | Microsoft PowerPoint Slide Show (Legacy) | 3.8 |
| .RFA | Revit Family File | 3.8 |
| .CONTACT | Windows Contact File | 3.8 |
| .ODP | OpenDocument Presentation | 3.8 |
| .ROX | Roxio Project File | 3.8 |
| .CLP | CrazyTalk Clip File | 3.8 |
| .TRK | CompeGPS Land Track File | 3.8 |
| .ZMC | ZoneAlarm Quarantine File | 3.8 |
| .OPJU | Origin Unicode Project | 3.8 |
| .AAM | Authorware Map File | 3.8 |
| .CKT | CircuitMaker File | 3.8 |
| .PHOTOSLIBRARY | Photos Library | 3.8 |
| .OVA | Open Virtual Appliance | 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 |
| .CUB | Analysis Services Cube File | 3.8 |
| .IP | IconPackager Theme File | 3.8 |
| .TMX | Translation Memory Exchange File | 3.8 |
| .MAI | Microsoft Mail File | 3.8 |
| .GRF | DPlot Graph File | 3.8 |
| .ENL | EndNote Library | 3.8 |
| .QRP | QuickReport File | 3.8 |
| .PCB | Printed Circuit Board Design File | 3.8 |
| .NDX | dBASE Index (Legacy) | 3.8 |
| .WAB | Windows Address Book | 3.8 |
| .QUICKEN2015 | Quicken 2015 Data File | 3.8 |
| .ROADTRIP | Road Trip Planner File | 3.8 |
| .TDL | Tab Delineated Format File | 3.8 |
| .UWL | User Word List File | 3.8 |
| .TAX2009 | TurboTax 2009 Tax Return | 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 |
| .TAR | Tape Archive | 3.7 |
| .PTF | Scrapbook Flair Template | 3.7 |
| .CAV | Comodo Virus Definitions File | 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 |
| .BLG | Windows Binary Performance Log File | 3.7 |
| .JNT | Windows Journal File | 3.7 |
| .FCS | Flow Cytometry Standard 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 |
| .PDX | Adobe Acrobat Index File | 3.7 |
| .MWF | MapGuide Author Map Window File | 3.7 |
| .T10 | At Home 2010 Tax Return | 3.7 |
| .PRO6PLX | ProPresenter 6 Playlist Bundle | 3.7 |
| .PCR | PCMark Vantage Benchmark File | 3.7 |
| .PAB | Personal Address Book | 3.7 |
| .QPB | QuickBooks Point of Sale Data File | 3.7 |
| .Q09 | QuickTax 2009 Tax Return | 3.7 |
| .OO3 | OmniOutliner 3 File | 3.7 |
| .EMLXPART | Mail Message Attachment | 3.7 |
| .MMP | Master Album Maker Project | 3.7 |
| .MDL | Rational Rose Model File | 3.7 |
| .IMT | My Time Data File | 3.7 |
| .UPOI | iGO Points of Interest File | 3.7 |
| .I5Z | IUCLID 5 Import/Export File | 3.7 |
| .DVO | Cook'n Cookbook File | 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 |
| .3DR | 3DMark Results File | 3.6 |
| .UCCAPILOG | Microsoft UCC API Log File | 3.6 |
| .OTP | OpenDocument Presentation Template | 3.6 |
| .FDB | Art Explosion Catalog | 3.6 |
| .SDF | Structure Data File | 3.6 |
| .KEY | Apple Keynote Presentation | 3.6 |
| .BGL | Babylon Glossary File | 3.6 |
| .FDB | Portfolio Catalog | 3.6 |
| .IDX | Navigation POI File | 3.6 |
| .PPF | Edgecam Pathtrace Part File | 3.6 |
| .WDF | Workshare Compare DeltaFile | 3.6 |
| .BVP | VodaHost BlueVoda Project File | 3.6 |
| .H12 | At Home Canada 2012 Tax Return | 3.6 |
| .PJ2 | xPlan Document | 3.6 |
| .MBG | Microsoft Mailbag | 3.6 |
| .MFO | Perl ModInfo Descriptor File | 3.6 |
| .RFO | RoboForm Option File | 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 |
| .XML | XML File | 3.6 |
| .PKT | Packet Tracer Network Simulation Model | 3.6 |
| .PDB | Protein Data Bank File | 3.6 |
| .IN | Input File | 3.6 |
| .CMA | Coach Activity File | 3.6 |
| .BCM | Business Contact Manager File | 3.6 |
| .GEDCOM | GEDCOM Genealogy File | 3.6 |
| .Q08 | QuickTax 2008 Tax Return | 3.6 |
| .PPSX | Microsoft PowerPoint Slide Show | 3.6 |
| .TSV | Tab-Separated Values File | 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 |
| .EXIF | Exchangeable Image Information File | 3.5 |
| .FOX | InfoZoom Data File | 3.5 |
| .KPF | Komodo Project File | 3.5 |
| .NOTEBOOK | SMART Notebook File | 3.5 |
| .SAV | SPSS Data File | 3.5 |
| .USR | SmartMusic Custom File | 3.5 |
| .CRTX | Office 2007 Chart Template File | 3.5 |
| .XFD | XFD File | 3.5 |
| .SC45 | SuperCard Project File | 3.5 |
| .T18 | H&R Block 2018 Tax Return | 3.5 |
| .II | IconWorkshop Extended Information File | 3.5 |
| .OEACCOUNT | Windows Mail Account File | 3.5 |
| .SVF | Serial Vector Format File | 3.5 |
| .SLX | MathWorks Simulink Model File | 3.5 |
| .MPKT | MOPEKS Trial File | 3.5 |
| .AW | Answer Wizard File | 3.5 |
| .QPF | Quartus II Project File | 3.5 |
| .HDA | HotDocs Auto-Assemble File | 3.5 |
| .EV | Echoview File | 3.5 |
| .LY | LilyPond File | 3.5 |
| .MNO | Macromedia Design Note | 3.5 |
| .XPT | SAS Transport File | 3.5 |
| .SEN | SenTest Data File | 3.5 |
| .MNC | My Notes Center Notebook | 3.5 |
| .ITL | iTunes Library File | 3.5 |
| .LMX | Landmark Exchange File | 3.5 |
| .BCI | Belarc Advisor Report File | 3.5 |
| .ABY | AOL Address Book File | 3.5 |
| .PKS | Oracle Package Spec 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 |
| .GRV | Office Groove File | 3.5 |
| .DVDPROJ | iDVD Project File | 3.5 |
| .CLK | Corel R.A.V.E Project File | 3.5 |
| .DFPROJ | DVD Flick Project | 3.5 |
| .RPT | Crystal Reports File | 3.5 |
| .BOX | E-mail Mailbox | 3.5 |
| .PPTM | Microsoft PowerPoint Macro-Enabled Presentation | 3.5 |
| .ONE | OneNote Document | 3.5 |
| .MPP | Microsoft Project File | 3.5 |
| .POTM | Microsoft PowerPoint Macro-Enabled Template | 3.5 |
| .PAF | Personal Ancestral File | 3.5 |
| .MOHO | Moho Animation Project | 3.4 |
| .QDF | Quicken Data File | 3.4 |
| .VCF | vCard File | 3.4 |
| .FLP | ActivPrimary Flipchart File | 3.4 |
| .MOX | ExtendSim Simulation Software Model | 3.4 |
| .TRA | WinTrack Railroad Track File | 3.4 |
| .WINDOWSLIVECONTACT | Windows Live Contacts File | 3.4 |
| .ENEX | Evernote Archive | 3.4 |
| .EFX | eFax Document | 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 |
| .FFWP | FormsForWeb Packet | 3.4 |
| .LAS | LIDAR Data Exchange File | 3.4 |
| .GBR | Gerber File | 3.4 |
| .SPS | SPSS Program File | 3.4 |
| .BTM | BizTalk Map File | 3.4 |
| .LBL | NiceLabel Template File | 3.4 |
| .TST | TestPoint Test File | 3.4 |
| .STM | Exchange Streaming Media File | 3.4 |
| .OFX | Open Financial Exchange File | 3.4 |
| .EMB | Wilcom Embroidery Design File | 3.4 |
| .CSV | Comma-Separated Values File | 3.3 |
| .AAE | Sidecar Image Edit File | 3.3 |
| .QUICKEN2017 | Quicken 2017 Data File | 3.3 |
| .T13 | H&R Block 2013 Tax Return | 3.3 |
| .QB2013 | QuickBooks 2013 File | 3.3 |
| .GDT | gretl Datafile | 3.3 |
| .QB2011 | QuickBooks 2011 File | 3.3 |
| .FMAT | FMAT Runfile | 3.3 |
| .PTZ | E-Transcript Bundle 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 |
| .MYI | MySQL MyISAM Index File | 3.3 |
| .T07 | TaxCut 2007 Tax Return | 3.3 |
| .ASND | Adobe Sound Document | 3.3 |
| .TRS | WinTrack Railroad Track Text File | 3.3 |
| .PST | Outlook Personal Information Store | 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 |
| .GCW | Microsoft Mathematics Worksheet | 3.3 |
| .WPC | WordPad Converter File | 3.3 |
| .MPZ | Miradi Project File | 3.3 |
| .TPF | Transit NXT Pack Translation File | 3.3 |
| .XRDML | XRDML Data File | 3.3 |
| .TAX2015 | TurboTax 2015 Tax Return | 3.3 |
| .NPL | Nokia Playlist File | 3.3 |
| .CELTX | Celtx Project File | 3.3 |
| .T19 | H&R Block 2019 Tax Return | 3.3 |
| .PDFIG | PDF Index Generator Project File | 3.3 |
| .DCF | Document Computation Format | 3.3 |
| .OMP | Office Manager Document Archive | 3.3 |
| .DAM | DeltaMaster Analysis Model | 3.3 |
| .GRK | Gradekeeper Class Gradebook File | 3.3 |
| .XMCD | Mathcad Worksheet File | 3.3 |
| .GS | GemStone Document | 3.2 |
| .PDX | Product Data eXchange File | 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 |
| .SLK | Symbolic Link File | 3.2 |
| .IDX | HMI Historical Log Index File | 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 |
| .LVM | LabVIEW Measurement 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 |
| .FXP | Adobe Flex Project File | 3.1 |
| .QB2014 | QuickBooks 2014 File | 3.1 |
| .TEF | TablEdit Tablature | 3.1 |
| .SIM | SAP Tutor 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 |
| .STA | ABAQUS Status 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 |
| .CAP | Packet Capture File | 3.1 |
| .PTB | Power Tab File | 3.1 |
| .T11 | At Home 2011 Tax Return | 3.0 |
| .ID2 | Windows Live Messenger Emoticon File | 3.0 |
| .DSB | Wondershare DVD Slideshow Builder Project | 3.0 |
| .T08 | TaxCut 2008 Tax Return | 3.0 |
| .XSLT | Extensible Stylesheet Language Transformations File | 3.0 |
| .IBA | iBooks Author Document | 3.0 |
| .T16 | H&R Block 2016 Tax Return | 3.0 |
| .JDB | Symantec Endpoint Protection Update File | 3.0 |
| .XPJ | RoboHelp HTML Project File | 3.0 |
| .IMA | Sage ACT! Email Message | 3.0 |
| .QMTF | Quicken Mac Transfer File | 3.0 |
| .SCD | TurboTax Tax Schedule List | 3.0 |
| .PD5 | Windows Live Photo Gallery Information File | 3.0 |
| .GNO | GenoPro Genealogy Tree File | 3.0 |
| .LIX | Logos Library System File | 3.0 |
| .IX2 | WordPerfect Address Book File | 3.0 |
| .WGT | XNBC Synaptic Weights File | 3.0 |
| .CNA | Catena Project File | 3.0 |
| .DII | Summation Batch Load File | 3.0 |
| .PTN | PaperPort Thumbnail File | 3.0 |
| .MMP | MindManager Mind Map | 3.0 |
| .HS2 | HyperRESEARCH 2 Study File | 3.0 |
| .OR6 | Lotus Organizer 6 File | 3.0 |
| .NPT | Portfolio NetPublish Template | 3.0 |
| .EPF | Edgecam Educational Part File | 3.0 |
| .BRW | Calyx Point Borrower File | 3.0 |
| .SQD | SQ Data File | 3.0 |
| .WCD | Works Calendar File | 3.0 |
| .FOP | InfoZoom Protected Data File | 3.0 |
| .DAS | DeltaMaster Analysis Session | 3.0 |
| .PKH | Oracle Package File | 3.0 |
| .BJO | TabRite Tablature File | 3.0 |
| .ULF | Universal List File | 3.0 |
| .ITX | FileNet eForms Designer Template | 3.0 |
| .PD4 | Windows Live Photo Gallery Information File | 3.0 |
| .WEA | Ecotect Weather File | 3.0 |
| .T06 | TaxCut 2006 Tax Return | 3.0 |
| .SDP | Session Description Protocol File | 3.0 |
| .PPF | Transit NXT Pack Project File | 3.0 |
| .VRD | Visio Report Definition File | 3.0 |
| .PSPD | PhotoSuite 5 Project File | 3.0 |
| .XRP | RationalPlan Project File | 3.0 |
| .MEX | Macro Express File | 3.0 |
| .ROU | Gerber Route File | 3.0 |
| .TE3 | WinTrack Object File | 3.0 |
| .PCAPNG | Pcap-NG Packet Capture File | 3.0 |
| .QIF | Quicken Interchange Format File | 3.0 |
| .GAN | GanttProject Project File | 3.0 |
| .QBW | QuickBooks for Windows Company File | 3.0 |
| .SPV | SPSS Output Document | 2.9 |
| .MCDX | Mathcad Prime Document | 2.9 |
| .XFDF | Adobe Acrobat XFDF File | 2.9 |
| .CTF | WhereIsIt Catalog | 2.9 |
| .MCD | Mathcad Document | 2.9 |
| .DCM | DiskCatalogMaker Catalog | 2.9 |
| .QFX | Quicken Financial Exchange File | 2.9 |
| .INX | Compiled Script | 2.9 |
| .ISF | Inspiration Flowchart Document | 2.9 |
| .MAT | MATLAB MAT-file | 2.9 |
| .MMF | Meal-Master Recipe File | 2.9 |
| .TAX2019 | TurboTax 2019 Tax Return | 2.8 |
| .MDC | Multi Dimension Cube File | 2.8 |
| .DBD | DemoShield Project | 2.8 |
| .WSI | Wise Package Studio Installer Package | 2.8 |
| .NDK | Lotus Notes Design Elements File | 2.8 |
| .DAL | DVD-lab Project File | 2.8 |
| .POD | OpenProj Project File | 2.8 |
| .PXL | Pocket Excel File | 2.8 |
| .FTW | Family Tree Maker File | 2.8 |
| .XDB | Symantec Virus Database File | 2.8 |
| .TAX2011 | TurboTax 2011 Tax Return | 2.8 |
| .FMC | FormConnect Form File | 2.8 |
| .TT10 | TurboTax Canada 2010 Tax Return | 2.8 |
| .XRY | XRY Data File | 2.8 |
| .EXP | Export 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 |
| .SNAPFIRESHOW | Corel SnapfireShow File | 2.7 |
| .MBX | Outlook Express Mailbox | 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 |
| .ESX | Xactimate Insurance Claims Estimate | 2.5 |
| .DDCX | DivX Descriptor 2 File | 2.5 |
| .TT12 | TurboTax Canada 2012 Tax Return | 2.5 |
| .XDNA | DNA Strider Sequence File | 2.5 |
| .T09 | At Home 2009 Tax Return | 2.5 |
| .QB2012 | QuickBooks 2012 File | 2.5 |
| .PJM | xPlan Model | 2.5 |
| .LIVEUPDATE | Symantec LiveUpdate File | 2.5 |
| .SGML | Standard Generalized Markup Language File | 2.5 |
| .QDP | Quick and Dandy Plotter File | 2.5 |
| .BCC | Calendar Creator File | 2.5 |
| .CLM | MagicJack Call Log File | 2.5 |
| .NP | Portfolio NetPublish File | 2.5 |
| .NPR | Nuendo Project 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 |
| .FHC | FHC Data File | 2.5 |
| .KPP | Kid Pix Presentation | 2.5 |
| .PHM | Pro Home Manager Data File | 2.5 |
| .WSM | Wise Package Studio Merge Module | 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 |
| .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 |
| .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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