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 |
| .SBD | Office Accounting Company Data File | 4.3 |
| .BDC | Babylon Dictionary 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 |
| .XTM | CmapTools Exported Topic Map | 4.2 |
| .BLD | Envisioneer Building Project File | 4.1 |
| .NITF | National Imagery Transmission Format File | 4.1 |
| .PPTX | Microsoft PowerPoint Presentation | 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 |
| .HDF | Hierarchical Data Format (Version 4) | 4.1 |
| .DAT | Data File | 4.0 |
| .OBB | Android Opaque Binary Blob File | 4.0 |
| .QUICKENDATA | Quicken Essentials for Mac Data File | 4.0 |
| .TAX2010 | TurboTax 2010 Tax Return | 4.0 |
| .TT24 | TurboTax Canada 2024 Tax Return | 4.0 |
| .CAPT | Capito Data File | 4.0 |
| .KDC | Kaspersky Virus Database File | 4.0 |
| .H13 | H&R Block Canada 2013 Tax Return | 4.0 |
| .IGC | International Gliding Commission Data File | 4.0 |
| .QB2017 | QuickBooks 2017 for Mac Data File | 4.0 |
| .PRDX | Presentations Document | 4.0 |
| .NOT | Notation File | 4.0 |
| .NCORX | Adobe Encore Project | 4.0 |
| .H17 | H&R Block Canada 2017 Tax Return | 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 |
| .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 |
| .MXAD | Mandelbrot Explorer All Data File | 4.0 |
| .POI | Magellan Maestro Point of Interest 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 |
| .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 |
| .CWK | ClarisWorks Document | 3.9 |
| .FLO | RFFlow Flowchart File | 3.9 |
| .MDF | Measurement Data Format File | 3.9 |
| .BDIC | Chrome Dictionary 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 |
| .LCM | Lipikar Custom Map File | 3.9 |
| .CEL | Affymetrix Probe Results 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 |
| .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 | 3.8 |
| .PKA | Packet Tracer Activity File | 3.8 |
| .ODP | OpenDocument Presentation | 3.8 |
| .PHOTOSLIBRARY | Photos Library | 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 |
| .CONTACT | Windows Contact File | 3.8 |
| .ROX | Roxio Project 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 |
| .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 |
| .IP | IconPackager Theme File | 3.8 |
| .MAI | Microsoft Mail File | 3.8 |
| .GRF | DPlot Graph File | 3.8 |
| .ENL | EndNote Library | 3.8 |
| .PCB | Printed Circuit Board Design File | 3.8 |
| .CKT | CircuitMaker File | 3.8 |
| .NDX | dBASE Index (Legacy) | 3.8 |
| .WAB | Windows Address Book | 3.8 |
| .ROADTRIP | Road Trip Planner File | 3.8 |
| .UWL | User Word List File | 3.8 |
| .CLP | CrazyTalk Clip File | 3.8 |
| .CUB | Analysis Services Cube File | 3.8 |
| .QUICKEN2015 | Quicken 2015 Data File | 3.8 |
| .TDL | Tab Delineated Format 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 |
| .PDX | Adobe Acrobat Index File | 3.7 |
| .INK | Mimio Notebook | 3.7 |
| .JNT | Windows Journal File | 3.7 |
| .CAV | Comodo Virus Definitions File | 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 |
| .BLG | Windows Binary Performance Log File | 3.7 |
| .A6P | Authorware 6 Project | 3.7 |
| .RP | Axure RP Project File | 3.7 |
| .LIB | Generic Data Library | 3.7 |
| .LOG | Log File | 3.7 |
| .T10 | At Home 2010 Tax Return | 3.7 |
| .U10 | UFile 2010 Tax Return | 3.7 |
| .MWF | MapGuide Author Map Window File | 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 |
| .DVO | Cook'n Cookbook File | 3.7 |
| .OO3 | OmniOutliner 3 File | 3.7 |
| .IMT | My Time Data File | 3.7 |
| .UPOI | iGO Points of Interest File | 3.7 |
| .EMLXPART | Mail Message Attachment | 3.7 |
| .Q09 | QuickTax 2009 Tax Return | 3.7 |
| .MDL | Rational Rose Model File | 3.7 |
| .AZZ | AZZ Cardfile Database 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 |
| .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 |
| .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 |
| .FOB | Dynamics NAV Object Container File | 3.6 |
| .SDF | Structure Data File | 3.6 |
| .ACS | Agent Character File | 3.6 |
| .KEY | Apple Keynote Presentation | 3.6 |
| .BGL | Babylon Glossary File | 3.6 |
| .IDX | Navigation POI File | 3.6 |
| .H12 | At Home Canada 2012 Tax Return | 3.6 |
| .WDF | Workshare Compare DeltaFile | 3.6 |
| .BVP | VodaHost BlueVoda Project File | 3.6 |
| .PJ2 | xPlan Document | 3.6 |
| .PPF | Edgecam Pathtrace Part File | 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 |
| .XML | XML File | 3.6 |
| .XLT | Microsoft Excel Spreadsheet Template (Legacy) | 3.6 |
| .FDB | Portfolio Catalog | 3.6 |
| .PKT | Packet Tracer Network Simulation Model | 3.6 |
| .PDB | Protein Data Bank File | 3.6 |
| .IN | Input File | 3.6 |
| .Q08 | QuickTax 2008 Tax Return | 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 |
| .FDB | Art Explosion Catalog | 3.6 |
| .RET | BusinessObjects Template | 3.6 |
| .RVT | Revit Project File | 3.6 |
| .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 |
| .MPKT | MOPEKS Trial File | 3.5 |
| .SC45 | SuperCard Project File | 3.5 |
| .SLX | MathWorks Simulink Model File | 3.5 |
| .CMA | Coach Activity File | 3.5 |
| .OEACCOUNT | Windows Mail Account File | 3.5 |
| .T18 | H&R Block 2018 Tax Return | 3.5 |
| .II | IconWorkshop Extended Information File | 3.5 |
| .SVF | Serial Vector Format File | 3.5 |
| .LMX | Landmark Exchange File | 3.5 |
| .SEN | SenTest Data File | 3.5 |
| .CLK | Corel R.A.V.E Project File | 3.5 |
| .MNO | Macromedia Design Note | 3.5 |
| .HDA | HotDocs Auto-Assemble File | 3.5 |
| .EV | Echoview File | 3.5 |
| .ABY | AOL Address Book File | 3.5 |
| .XPT | SAS Transport File | 3.5 |
| .LY | LilyPond File | 3.5 |
| .QPF | Quartus II Project File | 3.5 |
| .BCM | Business Contact Manager File | 3.5 |
| .MNC | My Notes Center Notebook | 3.5 |
| .ITL | iTunes Library File | 3.5 |
| .BCI | Belarc Advisor Report 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 |
| .GRV | Office Groove 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 |
| .XFD | XFD File | 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 |
| .EXIF | Exchangeable Image Information File | 3.4 |
| .QDF | Quicken Data File | 3.4 |
| .VCF | vCard File | 3.4 |
| .AW | Answer Wizard File | 3.4 |
| .DSZ | Orchida (OES) Embroidery File | 3.4 |
| .MOX | ExtendSim Simulation Software Model | 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 |
| .JBI | Motoman Robot Job File | 3.4 |
| .ANME | Anime Studio Document | 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 |
| .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 |
| .PTZ | E-Transcript Bundle File | 3.3 |
| .QUICKEN2017 | Quicken 2017 Data File | 3.3 |
| .QB2011 | QuickBooks 2011 File | 3.3 |
| .FMAT | FMAT Runfile | 3.3 |
| .QB2013 | QuickBooks 2013 File | 3.3 |
| .T13 | H&R Block 2013 Tax Return | 3.3 |
| .GDT | gretl Datafile | 3.3 |
| .LIVEUPDATE | Symantec LiveUpdate File | 3.3 |
| .ASND | Adobe Sound Document | 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 |
| .TRS | WinTrack Railroad Track Text File | 3.3 |
| .AAE | Sidecar Image Edit 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 |
| .XRDML | XRDML Data File | 3.3 |
| .ENEX | Evernote Archive | 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 |
| .OMP | Office Manager Document Archive | 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 File | 3.3 |
| .DCF | Document Computation Format | 3.2 |
| .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 |
| .SLK | Symbolic Link File | 3.2 |
| .MDM | HLM Multivariate Data Matrix File | 3.2 |
| .MDSX | MEGA Saved Session | 3.2 |
| .VXML | VoiceXML File | 3.2 |
| .TB | Tabbery Tab File | 3.2 |
| .TDT | THOR Data Tree File | 3.2 |
| .CVN | CineVision Encoding Session | 3.2 |
| .FPSL | FileMaker Pro Snapshot Link | 3.2 |
| .KPZ | Komodo Template File | 3.2 |
| .PRJ | Project 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 |
| .LSF | Logos Library System File | 3.2 |
| .STYKZ | Stykz Animation | 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 |
| .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 |
| .IMA | Sage ACT! Email Message | 3.0 |
| .QMTF | Quicken Mac Transfer File | 3.0 |
| .XSLT | Extensible Stylesheet Language Transformations File | 3.0 |
| .IBA | iBooks Author Document | 3.0 |
| .ID2 | Windows Live Messenger Emoticon File | 3.0 |
| .XPJ | RoboHelp HTML Project File | 3.0 |
| .T11 | At Home 2011 Tax Return | 3.0 |
| .DSB | Wondershare DVD Slideshow Builder Project | 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 |
| .SCD | TurboTax Tax Schedule List | 3.0 |
| .BJO | TabRite Tablature File | 3.0 |
| .HS2 | HyperRESEARCH 2 Study File | 3.0 |
| .OR6 | Lotus Organizer 6 File | 3.0 |
| .WCD | Works Calendar File | 3.0 |
| .GNO | GenoPro Genealogy Tree File | 3.0 |
| .GLD | Ground Loop Design Work File | 3.0 |
| .PD5 | Windows Live Photo Gallery Information File | 3.0 |
| .WGT | XNBC Synaptic Weights File | 3.0 |
| .DII | Summation Batch Load File | 3.0 |
| .WEA | Ecotect Weather File | 3.0 |
| .MMP | MindManager Mind Map | 3.0 |
| .PD4 | Windows Live Photo Gallery Information File | 3.0 |
| .NPT | Portfolio NetPublish Template | 3.0 |
| .PPF | Transit NXT Pack Project File | 3.0 |
| .SQD | SQ Data File | 3.0 |
| .PSPD | PhotoSuite 5 Project File | 3.0 |
| .PEP | TurboProject Project File | 3.0 |
| .CNA | Catena Project 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 |
| .T06 | TaxCut 2006 Tax Return | 3.0 |
| .BRW | Calyx Point Borrower File | 3.0 |
| .SDP | Session Description Protocol File | 3.0 |
| .EPF | Edgecam Educational Part File | 3.0 |
| .VRD | Visio Report Definition File | 3.0 |
| .XRP | RationalPlan Project File | 3.0 |
| .MEX | Macro Express File | 3.0 |
| .IX2 | WordPerfect Address Book 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 |
| .FMC | FormConnect Form File | 2.8 |
| .NDK | Lotus Notes Design Elements File | 2.8 |
| .DAL | DVD-lab Project File | 2.8 |
| .WSI | Wise Package Studio Installer Package | 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 |
| .TAX2011 | TurboTax 2011 Tax Return | 2.8 |
| .TT10 | TurboTax Canada 2010 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 |
| .LIX | Logos Library System File | 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 |
| .VDX | Microsoft Visio XML Drawing | 2.6 |
| .SHW | Corel Presentation | 2.6 |
| .CAF | Class Action Gradebook File | 2.6 |
| .MWS | Maple Classic Worksheet | 2.6 |
| .ESX | Xactimate Insurance Claims Estimate | 2.6 |
| .DDCX | DivX Descriptor 2 File | 2.6 |
| .MTW | Minitab Worksheet File | 2.6 |
| .FLO | iGrafx FlowCharter File | 2.6 |
| .VI | LabVIEW Virtual Instrument File | 2.6 |
| .T09 | At Home 2009 Tax Return | 2.5 |
| .PJM | xPlan Model | 2.5 |
| .XDNA | DNA Strider Sequence File | 2.5 |
| .QB2012 | QuickBooks 2012 File | 2.5 |
| .TT12 | TurboTax Canada 2012 Tax Return | 2.5 |
| .SGML | Standard Generalized Markup Language File | 2.5 |
| .CLM | MagicJack Call Log File | 2.5 |
| .NPR | Nuendo Project File | 2.5 |
| .TDM | LabVIEW Binary Measurement File | 2.5 |
| .NP | Portfolio NetPublish File | 2.5 |
| .WSM | Wise Package Studio Merge Module | 2.5 |
| .PMM | Pegasus Mail Mailbox 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 |
| .BCC | Calendar Creator 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 |
| .VBPF1 | Virtual Business - Personal Finance Data File | 2.3 |
| .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 |
| .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 |
| .ODX | BizTalk Server Orchestration File | 2.0 |
| .SWK | StudyWorks Save File | 2.0 |
| .TPB | GROMACS Binary Input File | 2.0 |
| .CTM | CrazyTalk Model 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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