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 |
| .HDF | Hierarchical Data Format (Version 4) | 4.0 |
| .IGC | International Gliding Commission Data File | 4.0 |
| .PRDX | Presentations Document | 4.0 |
| .KDC | Kaspersky Virus Database File | 4.0 |
| .TT24 | TurboTax Canada 2024 Tax Return | 4.0 |
| .QB2017 | QuickBooks 2017 for Mac Data File | 4.0 |
| .NOT | Notation File | 4.0 |
| .TAX2010 | TurboTax 2010 Tax Return | 4.0 |
| .NCORX | Adobe Encore Project | 4.0 |
| .QUICKENDATA | Quicken Essentials for Mac Data File | 4.0 |
| .H17 | H&R Block Canada 2017 Tax Return | 4.0 |
| .H13 | H&R Block Canada 2013 Tax Return | 4.0 |
| .CAPT | Capito Data File | 4.0 |
| .TAX2024 | TurboTax 2024 Tax Return | 4.0 |
| .T20 | H&R Block 2020 Tax Return | 4.0 |
| .AZZ | AZZ Cardfile Database File | 4.0 |
| .KTH | Keynote Theme | 4.0 |
| .STYK | Stykz Stick Figure | 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 |
| .GLS | Babylon Glossary 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 |
| .GGB | GeoGebra Worksheet | 4.0 |
| .PPT | Microsoft PowerPoint Presentation (Legacy) | 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 |
| .CWK | ClarisWorks Document | 3.9 |
| .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 |
| .OTLN | Opal Outline File | 3.9 |
| .MLS | Milestones Simplicity File | 3.9 |
| .TBL | StarCraft Information Table | 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 |
| .PMO | Broderbund Print Meta Object File | 3.9 |
| .CDX | Compound Index File | 3.9 |
| .TMX | Translation Memory Exchange File | 3.8 |
| .PKA | Packet Tracer Activity File | 3.8 |
| .OVF | Open Virtualization File | 3.8 |
| .PHOTOSLIBRARY | Photos Library | 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 |
| .CLP | CrazyTalk Clip File | 3.8 |
| .TRK | CompeGPS Land Track File | 3.8 |
| .ROX | Roxio Project File | 3.8 |
| .OPJU | Origin Unicode Project | 3.8 |
| .CKT | CircuitMaker File | 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 |
| .CUB | Analysis Services Cube File | 3.8 |
| .IP | IconPackager Theme File | 3.8 |
| .MAI | Microsoft Mail File | 3.8 |
| .ENL | EndNote Library | 3.8 |
| .GRF | DPlot Graph File | 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 |
| .ROADTRIP | Road Trip Planner File | 3.8 |
| .TAX2009 | TurboTax 2009 Tax Return | 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 |
| .TAR | Tape Archive | 3.7 |
| .PTF | Scrapbook Flair Template | 3.7 |
| .CAV | Comodo Virus Definitions File | 3.7 |
| .INK | Mimio Notebook | 3.7 |
| .TRD | TrID Definitions Package | 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 |
| .BLG | Windows Binary Performance Log 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 |
| .PCR | PCMark Vantage Benchmark File | 3.7 |
| .PDX | Adobe Acrobat Index File | 3.7 |
| .U10 | UFile 2010 Tax Return | 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 |
| .PAB | Personal Address Book | 3.7 |
| .IMT | My Time Data File | 3.7 |
| .DVO | Cook'n Cookbook File | 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 |
| .MDL | Rational Rose Model File | 3.7 |
| .UPOI | iGO Points of Interest File | 3.7 |
| .I5Z | IUCLID 5 Import/Export File | 3.7 |
| .EGP | Easy Grade Pro Gradebook 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 |
| .UCCAPILOG | Microsoft UCC API Log File | 3.6 |
| .3DR | 3DMark Results 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 |
| .PJ2 | xPlan Document | 3.6 |
| .BVP | VodaHost BlueVoda Project File | 3.6 |
| .WDF | Workshare Compare DeltaFile | 3.6 |
| .H12 | At Home Canada 2012 Tax Return | 3.6 |
| .RFO | RoboForm Option 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 |
| .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 |
| .Q08 | QuickTax 2008 Tax Return | 3.6 |
| .BCM | Business Contact Manager File | 3.6 |
| .GEDCOM | GEDCOM Genealogy File | 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 |
| .SVF | Serial Vector Format File | 3.5 |
| .OEACCOUNT | Windows Mail Account File | 3.5 |
| .AW | Answer Wizard File | 3.5 |
| .SLX | MathWorks Simulink Model File | 3.5 |
| .MPKT | MOPEKS Trial File | 3.5 |
| .T18 | H&R Block 2018 Tax Return | 3.5 |
| .II | IconWorkshop Extended Information File | 3.5 |
| .LMX | Landmark Exchange File | 3.5 |
| .HDA | HotDocs Auto-Assemble File | 3.5 |
| .EV | Echoview File | 3.5 |
| .LY | LilyPond File | 3.5 |
| .CLK | Corel R.A.V.E Project File | 3.5 |
| .QPF | Quartus II Project File | 3.5 |
| .MNO | Macromedia Design Note | 3.5 |
| .XPT | SAS Transport File | 3.5 |
| .MNC | My Notes Center Notebook | 3.5 |
| .ITL | iTunes Library File | 3.5 |
| .BCI | Belarc Advisor Report File | 3.5 |
| .SEN | SenTest Data 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 |
| .DSZ | Orchida (OES) Embroidery File | 3.5 |
| .RCG | Recog Character Recognition Set | 3.5 |
| .DVDPROJ | iDVD Project File | 3.5 |
| .GRV | Office Groove 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 |
| .TXN | MySpaceIM Conversation Log File | 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 |
| .MJK | Question File | 3.4 |
| .EFX | eFax Document | 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 |
| .LBL | NiceLabel Template File | 3.4 |
| .BTM | BizTalk Map 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 |
| .LIVEUPDATE | Symantec LiveUpdate File | 3.3 |
| .GDT | gretl Datafile | 3.3 |
| .QUICKEN2017 | Quicken 2017 Data File | 3.3 |
| .PTZ | E-Transcript Bundle File | 3.3 |
| .T13 | H&R Block 2013 Tax Return | 3.3 |
| .QB2011 | QuickBooks 2011 File | 3.3 |
| .QB2013 | QuickBooks 2013 File | 3.3 |
| .FMAT | FMAT Runfile | 3.3 |
| .RTE | Revit Project Template | 3.3 |
| .POTX | Microsoft PowerPoint Presentation Template | 3.3 |
| .ASND | Adobe Sound Document | 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 |
| .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 |
| .MPZ | Miradi Project File | 3.3 |
| .WPC | WordPad Converter File | 3.3 |
| .TPF | Transit NXT Pack Translation File | 3.3 |
| .TAX2015 | TurboTax 2015 Tax Return | 3.3 |
| .XRDML | XRDML Data File | 3.3 |
| .ENEX | Evernote Archive | 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 |
| .SIM | SAP Tutor File | 3.1 |
| .TEF | TablEdit Tablature | 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 |
| .CAP | Packet Capture File | 3.1 |
| .MDJ | StarUML Model File | 3.1 |
| .TAX2013 | TurboTax 2013 Tax Return | 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 |
| .DSB | Wondershare DVD Slideshow Builder Project | 3.0 |
| .IMA | Sage ACT! Email Message | 3.0 |
| .QMTF | Quicken Mac Transfer File | 3.0 |
| .XPJ | RoboHelp HTML Project File | 3.0 |
| .T08 | TaxCut 2008 Tax Return | 3.0 |
| .XSLT | Extensible Stylesheet Language Transformations File | 3.0 |
| .ID2 | Windows Live Messenger Emoticon File | 3.0 |
| .IBA | iBooks Author Document | 3.0 |
| .T11 | At Home 2011 Tax Return | 3.0 |
| .T16 | H&R Block 2016 Tax Return | 3.0 |
| .JDB | Symantec Endpoint Protection Update File | 3.0 |
| .PTN | PaperPort Thumbnail File | 3.0 |
| .SCD | TurboTax Tax Schedule List | 3.0 |
| .BJO | TabRite Tablature File | 3.0 |
| .GNO | GenoPro Genealogy Tree File | 3.0 |
| .PEP | TurboProject Project File | 3.0 |
| .WGT | XNBC Synaptic Weights File | 3.0 |
| .CNA | Catena Project File | 3.0 |
| .DII | Summation Batch Load File | 3.0 |
| .MMP | MindManager Mind Map | 3.0 |
| .HS2 | HyperRESEARCH 2 Study File | 3.0 |
| .PD5 | Windows Live Photo Gallery Information File | 3.0 |
| .OR6 | Lotus Organizer 6 File | 3.0 |
| .NPT | Portfolio NetPublish Template | 3.0 |
| .EPF | Edgecam Educational Part File | 3.0 |
| .PPF | Transit NXT Pack Project File | 3.0 |
| .SQD | SQ Data File | 3.0 |
| .MR | Engine Sim Script | 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 |
| .PD4 | Windows Live Photo Gallery Information File | 3.0 |
| .WEA | Ecotect Weather File | 3.0 |
| .T06 | TaxCut 2006 Tax Return | 3.0 |
| .BRW | Calyx Point Borrower File | 3.0 |
| .SDP | Session Description Protocol 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 |
| .WCD | Works Calendar File | 3.0 |
| .ROU | Gerber Route File | 3.0 |
| .IX2 | WordPerfect Address Book 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 |
| .FMC | FormConnect Form 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 |
| .EXP | Export File | 2.8 |
| .GC | GraphClick File | 2.8 |
| .XRY | XRY Data File | 2.8 |
| .ITMSP | iTunes Store Package | 2.7 |
| .MW | Maple Worksheet | 2.7 |
| .PNPROJ | Programmer's Notepad Project File | 2.7 |
| .LIX | Logos Library System File | 2.7 |
| .MBX | Outlook Express Mailbox | 2.7 |
| .SNAPFIRESHOW | Corel SnapfireShow 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 |
| .ESX | Xactimate Insurance Claims Estimate | 2.5 |
| .DDCX | DivX Descriptor 2 File | 2.5 |
| .T09 | At Home 2009 Tax Return | 2.5 |
| .TT12 | TurboTax Canada 2012 Tax Return | 2.5 |
| .QB2012 | QuickBooks 2012 File | 2.5 |
| .PJM | xPlan Model | 2.5 |
| .XDNA | DNA Strider Sequence File | 2.5 |
| .SGML | Standard Generalized Markup Language File | 2.5 |
| .WSM | Wise Package Studio Merge Module | 2.5 |
| .TDM | LabVIEW Binary Measurement 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 |
| .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 |
| .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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