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 |
|---|---|---|
| .H13 | H&R Block Canada 2013 Tax Return | 4.3 |
| .LDF | SQL Server Transaction Log 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 |
| .FLT | Flight Simulator Saved Flight | 4.1 |
| .HYV | Team Manager Meet Event File | 4.1 |
| .NITF | National Imagery Transmission Format File | 4.1 |
| .PPTX | Microsoft PowerPoint Presentation | 4.1 |
| .RSV | RSView32 Project File | 4.1 |
| .ADX | Approach Index File | 4.1 |
| .MET | eMule Resource File | 4.1 |
| .DAT | Data File | 4.0 |
| .PPSM | Microsoft PowerPoint Macro-Enabled Show | 4.0 |
| .CEL | Affymetrix Probe Results File | 4.0 |
| .DIF | Data Interchange Format | 4.0 |
| .TDB | Android Thumbnail Cache | 4.0 |
| .TAX2023 | TurboTax 2023 Tax Return | 4.0 |
| .NOT | Notation File | 4.0 |
| .MOSAIC | MacOSaiX Mosaic File | 4.0 |
| .TOPC | TopicCrunch Project File | 4.0 |
| .QB2017 | QuickBooks 2017 for Mac Data File | 4.0 |
| .PRDX | Presentations Document | 4.0 |
| .XFT | Adobe Form Designer 5.0 File | 4.0 |
| .ALD | Dynamics AX Application Label Data File | 4.0 |
| .WJR | ReGet Deluxe Data File | 4.0 |
| .CAPT | Capito Data File | 4.0 |
| .LDIF | LDAP Data Interchange Format File | 4.0 |
| .T20 | H&R Block 2020 Tax Return | 4.0 |
| .MMC | Microsoft Media Catalog | 4.0 |
| .T05 | TaxCut 2005 Tax Return | 4.0 |
| .AIFB | AIF Builder Project File | 4.0 |
| .KDC | Kaspersky Virus Database File | 4.0 |
| .FSC | Practical Scriptwriter File | 4.0 |
| .SQR | SQL Program File | 4.0 |
| .BGT | Graphics Accounts Data File | 4.0 |
| .EBUILD | Portage eBuild Script | 4.0 |
| .QUICKENDATA | Quicken Essentials for Mac Data File | 4.0 |
| .NCORX | Adobe Encore Project | 4.0 |
| .SQ | Sysquake Program | 4.0 |
| .PRS | Harvard Graphics Presentation | 4.0 |
| .VOK | PocketVok Vocabulary File | 4.0 |
| .PLW | PicoLog Data File | 4.0 |
| .H17 | H&R Block Canada 2017 Tax Return | 4.0 |
| .STYK | Stykz Stick Figure | 4.0 |
| .POI | Magellan Maestro Point of Interest File | 4.0 |
| .RAL | WinRail Track Design File | 4.0 |
| .WTB | Win-Test Binary Log | 4.0 |
| .KPR | KPresenter Presentation | 4.0 |
| .HDF | Hierarchical Data Format (Version 4) | 4.0 |
| .TRK | CompeGPS Land Track File | 4.0 |
| .TA9 | TaxAct 2019 Tax Return File | 4.0 |
| .DRL | Gerber Drill Rack File | 4.0 |
| .ABCD | AudioVisual Book Data File | 4.0 |
| .FLO | RFFlow Flowchart File | 4.0 |
| .TAX2010 | TurboTax 2010 Tax Return | 4.0 |
| .AZZ | AZZ Cardfile Database File | 4.0 |
| .RGO | RepliGo File | 4.0 |
| .TT20 | TurboTax Canada 2020 Tax Return | 4.0 |
| .DM2 | Toad Data Modeler 2 File | 4.0 |
| .PPT | Microsoft PowerPoint Presentation (Legacy) | 4.0 |
| .OBB | Android Opaque Binary Blob File | 4.0 |
| .BIN | Generic Binary File | 4.0 |
| .GGB | GeoGebra Worksheet | 4.0 |
| .LOC | GPS Location File | 4.0 |
| .ADT | ACT! Document Template | 4.0 |
| .CUB | Analysis Services Cube File | 3.9 |
| .TMX | Translation Memory Exchange 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 |
| .JEF | Janome Embroidery Format File | 3.9 |
| .OTLN | Opal Outline File | 3.9 |
| .TBL | StarCraft Information Table | 3.9 |
| .MLS | Milestones Simplicity File | 3.9 |
| .CDX | Compound Index File | 3.9 |
| .PCB | Printed Circuit Board Design File | 3.9 |
| .BLG | Windows Binary Performance Log File | 3.9 |
| .CONTACT | Windows Contact File | 3.9 |
| .EDI | Electronic Data Interchange File | 3.9 |
| .PC | Personal Composer File | 3.9 |
| .VCS | vCalendar Event | 3.9 |
| .ALI | Dynamics AX Label Index File | 3.8 |
| .PPS | Microsoft PowerPoint Slide Show (Legacy) | 3.8 |
| .ZMC | ZoneAlarm Quarantine File | 3.8 |
| .ROX | Roxio Project File | 3.8 |
| .CLP | CrazyTalk Clip File | 3.8 |
| .PKA | Packet Tracer Activity File | 3.8 |
| .AAM | Authorware Map File | 3.8 |
| .OPJU | Origin Unicode Project | 3.8 |
| .EXX | IBM Linkway MsgPut File | 3.8 |
| .T12 | At Home 2012 Tax Return | 3.8 |
| .RFA | Revit Family File | 3.8 |
| .LMS | LenMus Score File | 3.8 |
| .JPH | JProbe Memory Snapshot | 3.8 |
| .VDF | AntiVir Virus Definitions File | 3.8 |
| .OVA | Open Virtual Appliance | 3.8 |
| .IP | IconPackager Theme File | 3.8 |
| .LCM | Lipikar Custom Map File | 3.8 |
| .MAI | Microsoft Mail File | 3.8 |
| .ODP | OpenDocument Presentation | 3.8 |
| .WAB | Windows Address Book | 3.8 |
| .QRP | QuickReport File | 3.8 |
| .ENL | EndNote Library | 3.8 |
| .GRF | DPlot Graph File | 3.8 |
| .OVF | Open Virtualization File | 3.8 |
| .NET | netViz Project File | 3.8 |
| .QUICKEN2015 | Quicken 2015 Data File | 3.8 |
| .ZAP | ZoneAlarm Pro Data File | 3.8 |
| .UWL | User Word List File | 3.8 |
| .GRADE | GradeStat Document | 3.8 |
| .NDX | dBASE Index (Legacy) | 3.8 |
| .DOCKZIP | ObjectDock File | 3.8 |
| .EGP | Easy Grade Pro Gradebook File | 3.8 |
| .ROADTRIP | Road Trip Planner File | 3.8 |
| .VSX | Visio Stencil XML File | 3.8 |
| .TTK | Catalyst Translation Toolkit | 3.8 |
| .TAX2009 | TurboTax 2009 Tax Return | 3.8 |
| .LIVEREG | Symantec Antivirus Session File | 3.8 |
| .INK | Mimio Notebook | 3.7 |
| .PHOTOSLIBRARY | Photos Library | 3.7 |
| .DCMD | DiskCatalogMaker Thumbnail-Enabled Catalog | 3.7 |
| .PRJ | AIMMS Project File | 3.7 |
| .SDS | OpenOffice Chart | 3.7 |
| .XLF | XLIFF Document | 3.7 |
| .TCC | TimeCalc Classic Data File | 3.7 |
| .CKT | CircuitMaker File | 3.7 |
| .JNT | Windows Journal File | 3.7 |
| .CAV | Comodo Virus Definitions File | 3.7 |
| .FCS | Flow Cytometry Standard File | 3.7 |
| .A6P | Authorware 6 Project | 3.7 |
| .WDF | Workshare Compare DeltaFile | 3.7 |
| .RP | Axure RP Project File | 3.7 |
| .TAR | Tape Archive | 3.7 |
| .ACC | Graphics Accounts Data File | 3.7 |
| .LIB | Generic Data Library | 3.7 |
| .PCR | PCMark Vantage Benchmark File | 3.7 |
| .OO3 | OmniOutliner 3 File | 3.7 |
| .MWF | MapGuide Author Map Window File | 3.7 |
| .QPB | QuickBooks Point of Sale Data File | 3.7 |
| .PHB | Motorola Phone Book File | 3.7 |
| .PAB | Personal Address Book | 3.7 |
| .DVO | Cook'n Cookbook File | 3.7 |
| .POTM | Microsoft PowerPoint Macro-Enabled Template | 3.7 |
| .IIF | Intuit Interchange Format File | 3.7 |
| .EMLXPART | Mail Message Attachment | 3.7 |
| .T10 | At Home 2010 Tax Return | 3.7 |
| .MDL | Rational Rose Model File | 3.7 |
| .FDB | Art Explosion Catalog | 3.7 |
| .Q08 | QuickTax 2008 Tax Return | 3.7 |
| .RDB | N64 ROM Database | 3.7 |
| .Q09 | QuickTax 2009 Tax Return | 3.7 |
| .U10 | UFile 2010 Tax Return | 3.7 |
| .PDX | Adobe Acrobat Index File | 3.7 |
| .IMT | My Time Data 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 |
| .UCCAPILOG | Microsoft UCC API Log File | 3.6 |
| .3DR | 3DMark Results File | 3.6 |
| .PFC | AOL Personal Filing Cabinet | 3.6 |
| .RVT | Revit Project File | 3.6 |
| .PTF | Scrapbook Flair Template | 3.6 |
| .FDB | Portfolio Catalog | 3.6 |
| .DPN | Depiction Data File | 3.6 |
| .BVP | VodaHost BlueVoda Project File | 3.6 |
| .PPF | Edgecam Pathtrace Part File | 3.6 |
| .MBG | Microsoft Mailbag | 3.6 |
| .PJ2 | xPlan Document | 3.6 |
| .L6T | Line 6 Tone File | 3.6 |
| .DSZ | Orchida (OES) Embroidery File | 3.6 |
| .H12 | At Home Canada 2012 Tax Return | 3.6 |
| .RFO | RoboForm Option File | 3.6 |
| .HST | History File | 3.6 |
| .KEY | Apple Keynote Presentation | 3.6 |
| .CRTX | Office 2007 Chart Template File | 3.6 |
| .IN | Input File | 3.6 |
| .OBJ | Relocatable Object Code | 3.6 |
| .XLT | Microsoft Excel Spreadsheet Template (Legacy) | 3.6 |
| .IDX | Navigation POI File | 3.6 |
| .GEDCOM | GEDCOM Genealogy File | 3.6 |
| .BCM | Business Contact Manager File | 3.6 |
| .CLG | Collage Maker Project File | 3.6 |
| .CMA | Coach Activity File | 3.6 |
| .PPSX | Microsoft PowerPoint Slide Show | 3.6 |
| .PDB | Protein Data Bank File | 3.6 |
| .XML | XML File | 3.6 |
| .SAV | SPSS Data File | 3.6 |
| .VDB | Symantec Virus Database File | 3.6 |
| .QVW | QlikView Document | 3.6 |
| .SDF | Structure Data File | 3.6 |
| .ACS | Agent Character File | 3.5 |
| .MMP | Master Album Maker Project | 3.5 |
| .FOX | InfoZoom Data File | 3.5 |
| .NOTEBOOK | SMART Notebook File | 3.5 |
| .BGL | Babylon Glossary File | 3.5 |
| .PKT | Packet Tracer Network Simulation Model | 3.5 |
| .SLX | MathWorks Simulink Model File | 3.5 |
| .USR | SmartMusic Custom File | 3.5 |
| .BOX | E-mail Mailbox | 3.5 |
| .XFD | XFD File | 3.5 |
| .FOB | Dynamics NAV Object Container File | 3.5 |
| .QDF | Quicken Data File | 3.5 |
| .AW | Answer Wizard File | 3.5 |
| .DSY | Directory Synchronizer Project File | 3.5 |
| .I5Z | IUCLID 5 Import/Export File | 3.5 |
| .HDA | HotDocs Auto-Assemble File | 3.5 |
| .EV | Echoview File | 3.5 |
| .OEACCOUNT | Windows Mail Account File | 3.5 |
| .T18 | H&R Block 2018 Tax Return | 3.5 |
| .SEN | SenTest Data File | 3.5 |
| .SLP | Sisulizer Project File | 3.5 |
| .XPT | SAS Transport File | 3.5 |
| .SVF | Serial Vector Format File | 3.5 |
| .RCG | Recog Character Recognition Set | 3.5 |
| .PKS | Oracle Package Spec File | 3.5 |
| .DVDPROJ | iDVD Project File | 3.5 |
| .DFPROJ | DVD Flick Project | 3.5 |
| .II | IconWorkshop Extended Information File | 3.5 |
| .BCI | Belarc Advisor Report File | 3.5 |
| .GRV | Office Groove File | 3.5 |
| .PDX | Product Data eXchange File | 3.5 |
| .MNC | My Notes Center Notebook | 3.5 |
| .LMX | Landmark Exchange File | 3.5 |
| .ABY | AOL Address Book File | 3.5 |
| .RET | BusinessObjects Template | 3.5 |
| .OTP | OpenDocument Presentation Template | 3.5 |
| .PRO6PLX | ProPresenter 6 Playlist Bundle | 3.5 |
| .SC45 | SuperCard Project File | 3.5 |
| .GWK | GraphiCode PCB Job File | 3.5 |
| .MNO | Macromedia Design Note | 3.5 |
| .MPKT | MOPEKS Trial File | 3.5 |
| .TRD | TrID Definitions Package | 3.5 |
| .RPT | Crystal Reports File | 3.5 |
| .TSV | Tab-Separated Values File | 3.5 |
| .MPP | Microsoft Project File | 3.5 |
| .PAF | Personal Ancestral File | 3.5 |
| .VOI | VOI Group File | 3.4 |
| .KPF | Komodo Project File | 3.4 |
| .MOHO | Moho Animation Project | 3.4 |
| .ONE | OneNote Document | 3.4 |
| .PPTM | Microsoft PowerPoint Macro-Enabled Presentation | 3.4 |
| .PKB | Oracle Package Body File | 3.4 |
| .FLP | ActivPrimary Flipchart File | 3.4 |
| .MOX | ExtendSim Simulation Software Model | 3.4 |
| .TRA | WinTrack Railroad Track File | 3.4 |
| .OFC | Open Financial Connectivity File | 3.4 |
| .EMB | Wilcom Embroidery Design File | 3.4 |
| .EXIF | Exchangeable Image Information File | 3.4 |
| .OFT | Outlook File Template | 3.4 |
| .SPS | SPSS Program File | 3.4 |
| .SEO | SEO Note File | 3.4 |
| .MJK | Question File | 3.4 |
| .EFX | eFax Document | 3.4 |
| .PDS | Planetary Data System File | 3.4 |
| .LVM | LabVIEW Measurement File | 3.4 |
| .IBA | iBooks Author Document | 3.4 |
| .ANME | Anime Studio Document | 3.4 |
| .FFWP | FormsForWeb Packet | 3.4 |
| .XLC | Microsoft Excel Chart | 3.4 |
| .GPI | Garmin Point of Interest File | 3.4 |
| .VCF | vCard File | 3.4 |
| .INX | Compiled Script | 3.4 |
| .LBL | NiceLabel Template File | 3.4 |
| .STM | Exchange Streaming Media File | 3.4 |
| .OFX | Open Financial Exchange File | 3.4 |
| .AAE | Sidecar Image Edit File | 3.3 |
| .FMAT | FMAT Runfile | 3.3 |
| .ENEX | Evernote Archive | 3.3 |
| .QB2013 | QuickBooks 2013 File | 3.3 |
| .WGT | IMPS Data File | 3.3 |
| .T13 | H&R Block 2013 Tax Return | 3.3 |
| .TDL | Tab Delineated Format File | 3.3 |
| .GDT | gretl Datafile | 3.3 |
| .QB2011 | QuickBooks 2011 File | 3.3 |
| .ASND | Adobe Sound Document | 3.3 |
| .PDAS | PDAStore Data Store File | 3.3 |
| .HL | HeuristicLab Storage File | 3.3 |
| .T07 | TaxCut 2007 Tax Return | 3.3 |
| .QUICKEN2017 | Quicken 2017 Data File | 3.3 |
| .MYI | MySQL MyISAM Index File | 3.3 |
| .RTE | Revit Project Template | 3.3 |
| .GRK | Gradekeeper Class Gradebook File | 3.3 |
| .TRS | WinTrack Railroad Track Text File | 3.3 |
| .PTZ | E-Transcript Bundle File | 3.3 |
| .CSV | Comma-Separated Values File | 3.3 |
| .PST | Outlook Personal Information Store | 3.3 |
| .JRPRINT | JasperReports Print File | 3.3 |
| .TAX2018 | TurboTax 2018 Tax Return | 3.3 |
| .RPP | REAPER Project File | 3.3 |
| .PXL | Pocket Excel File | 3.3 |
| .WPC | WordPad Converter File | 3.3 |
| .GCW | Microsoft Mathematics Worksheet | 3.3 |
| .XRDML | XRDML Data File | 3.3 |
| .NPL | Nokia Playlist File | 3.3 |
| .GBR | Gerber File | 3.3 |
| .CELTX | Celtx Project File | 3.3 |
| .POTX | Microsoft PowerPoint Presentation Template | 3.3 |
| .XSL | XML Stylesheet | 3.3 |
| .SLK | Symbolic Link File | 3.3 |
| .PMO | Broderbund Print Meta Object File | 3.3 |
| .OMP | Office Manager Document Archive | 3.3 |
| .LP7 | LP7 Digitally Signed File | 3.3 |
| .PXJ | RecordNow Project | 3.3 |
| .XMCD | Mathcad Worksheet File | 3.3 |
| .T19 | H&R Block 2019 Tax Return | 3.3 |
| .GS | GemStone Document | 3.2 |
| .XPG | Autoplay Media Studio Exported Page | 3.2 |
| .4DV | 4D View Ultrasound File | 3.2 |
| .CAP | Packet Capture File | 3.2 |
| .IDX | HMI Historical Log Index File | 3.2 |
| .GED | GEDCOM Genealogy Data File | 3.2 |
| .TAX2015 | TurboTax 2015 Tax Return | 3.2 |
| .VXML | VoiceXML File | 3.2 |
| .MDSX | MEGA Saved Session | 3.2 |
| .TDT | THOR Data Tree File | 3.2 |
| .TB | Tabbery Tab File | 3.2 |
| .KPZ | Komodo Template File | 3.2 |
| .CDF | Common Data Format | 3.2 |
| .FPSL | FileMaker Pro Snapshot Link | 3.2 |
| .WINDOWSLIVECONTACT | Windows Live Contacts File | 3.2 |
| .CVN | CineVision Encoding Session | 3.2 |
| .PRJ | Project File | 3.2 |
| .TBK | ToolBook File | 3.2 |
| .VCE | Visual CertExam Exam File | 3.2 |
| .M | Wolfram Mathematica Language Package | 3.2 |
| .ER1 | ERWin Entity Relationship Diagram | 3.2 |
| .LSF | Logos Library System File | 3.2 |
| .STYKZ | Stykz Animation | 3.2 |
| .TPF | Transit NXT Pack Translation File | 3.2 |
| .VCD | Value Change Dump File | 3.2 |
| .TAX2017 | TurboTax 2017 Tax Return | 3.2 |
| .SIM | SAP Tutor File | 3.2 |
| .QB2014 | QuickBooks 2014 File | 3.1 |
| .DAM | DeltaMaster Analysis Model | 3.1 |
| .TEF | TablEdit Tablature | 3.1 |
| .TWB | Tableau Workbook File | 3.1 |
| .OUT | Output File | 3.1 |
| .RTE | Navigation Route | 3.1 |
| .ADCP | Adobe Device Central Project File | 3.1 |
| .DCM | DiskCatalogMaker Catalog | 3.1 |
| .TAX2013 | TurboTax 2013 Tax Return | 3.1 |
| .MDJ | StarUML Model File | 3.1 |
| .ABP | AVS Barcode Profile | 3.1 |
| .MDM | HLM Multivariate Data Matrix File | 3.1 |
| .CDX | ChemDraw Exchange File | 3.1 |
| .PTB | Power Tab File | 3.1 |
| .PD5 | Windows Live Photo Gallery Information File | 3.0 |
| .SCD | TurboTax Tax Schedule List | 3.0 |
| .MMP | MindManager Mind Map | 3.0 |
| .PTN | PaperPort Thumbnail File | 3.0 |
| .LIX | Logos Library System File | 3.0 |
| .IMA | Sage ACT! Email Message | 3.0 |
| .CNA | Catena Project File | 3.0 |
| .T06 | TaxCut 2006 Tax Return | 3.0 |
| .PSPD | PhotoSuite 5 Project File | 3.0 |
| .XMLPER | LeCroy Binary Waveform File | 3.0 |
| .PPF | Transit NXT Pack Project File | 3.0 |
| .BRW | Calyx Point Borrower File | 3.0 |
| .DII | Summation Batch Load File | 3.0 |
| .TE3 | WinTrack Object File | 3.0 |
| .WGT | XNBC Synaptic Weights File | 3.0 |
| .ID2 | Windows Live Messenger Emoticon File | 3.0 |
| .PD4 | Windows Live Photo Gallery Information File | 3.0 |
| .T16 | H&R Block 2016 Tax Return | 3.0 |
| .MCDX | Mathcad Prime Document | 3.0 |
| .QMTF | Quicken Mac Transfer File | 3.0 |
| .XSLT | Extensible Stylesheet Language Transformations File | 3.0 |
| .ITX | FileNet eForms Designer Template | 3.0 |
| .XRP | RationalPlan Project File | 3.0 |
| .TDM | LabVIEW Binary Measurement File | 3.0 |
| .T08 | TaxCut 2008 Tax Return | 3.0 |
| .DSB | Wondershare DVD Slideshow Builder Project | 3.0 |
| .OTL | NoteTab Outline File | 3.0 |
| .MEX | Macro Express File | 3.0 |
| .XFO | XSL-FO Formatted Form | 3.0 |
| .FOP | InfoZoom Protected Data File | 3.0 |
| .SAR | Sibelius Arrange Style | 3.0 |
| .DAS | DeltaMaster Analysis Session | 3.0 |
| .XPJ | RoboHelp HTML Project File | 3.0 |
| .SDP | Session Description Protocol File | 3.0 |
| .EPF | Edgecam Educational Part File | 3.0 |
| .XDB | Symantec Virus Database File | 3.0 |
| .TAX2008 | TurboTax 2008 Tax Return | 3.0 |
| .VRD | Visio Report Definition File | 3.0 |
| .WCD | Works Calendar File | 3.0 |
| .RNQ | Renque Model File | 3.0 |
| .ULF | Universal List File | 3.0 |
| .JDB | Symantec Endpoint Protection Update File | 3.0 |
| .OR6 | Lotus Organizer 6 File | 3.0 |
| .NPT | Portfolio NetPublish Template | 3.0 |
| .SQD | SQ Data File | 3.0 |
| .ROU | Gerber Route File | 3.0 |
| .PKH | Oracle Package File | 3.0 |
| .HS2 | HyperRESEARCH 2 Study File | 3.0 |
| .WEA | Ecotect Weather File | 3.0 |
| .GNO | GenoPro Genealogy Tree File | 3.0 |
| .T11 | At Home 2011 Tax Return | 3.0 |
| .PCAPNG | Pcap-NG Packet Capture File | 3.0 |
| .QBW | QuickBooks for Windows Company File | 3.0 |
| .XFDF | Adobe Acrobat XFDF File | 2.9 |
| .SPV | SPSS Output Document | 2.9 |
| .CTF | WhereIsIt Catalog | 2.9 |
| .MCD | Mathcad Document | 2.9 |
| .IES | IES Photometric Data File | 2.9 |
| .QFX | Quicken Financial Exchange File | 2.9 |
| .QIF | Quicken Interchange Format File | 2.9 |
| .GAN | GanttProject Project File | 2.9 |
| .STA | ABAQUS Status File | 2.9 |
| .POD | OpenProj Project File | 2.9 |
| .TAX2019 | TurboTax 2019 Tax Return | 2.9 |
| .MAT | MATLAB MAT-file | 2.9 |
| .MMF | Meal-Master Recipe File | 2.9 |
| .FXP | Adobe Flex Project File | 2.8 |
| .MDC | Multi Dimension Cube File | 2.8 |
| .DBD | DemoShield Project | 2.8 |
| .WB3 | Corel Quattro Pro 7 and 8 File | 2.8 |
| .NP | Portfolio NetPublish File | 2.8 |
| .DAL | DVD-lab Project File | 2.8 |
| .NDK | Lotus Notes Design Elements File | 2.8 |
| .VDX | Microsoft Visio XML Drawing | 2.8 |
| .PHM | Pro Home Manager Data File | 2.8 |
| .FTW | Family Tree Maker File | 2.8 |
| .TAX2011 | TurboTax 2011 Tax Return | 2.8 |
| .FMC | FormConnect Form File | 2.8 |
| .EXP | Export File | 2.8 |
| .TT10 | TurboTax Canada 2010 Tax Return | 2.8 |
| .MW | Maple Worksheet | 2.7 |
| .ITMSP | iTunes Store Package | 2.7 |
| .HML | HostMonitor TestList File | 2.7 |
| .PNPROJ | Programmer's Notepad Project File | 2.7 |
| .MBX | Outlook Express Mailbox | 2.7 |
| .DDCX | DivX Descriptor 2 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 |
| .ESX | Xactimate Insurance Claims Estimate | 2.6 |
| .VI | LabVIEW Virtual Instrument File | 2.6 |
| .EPW | EnergyPlus Weather Data File | 2.5 |
| .GC | GraphClick File | 2.5 |
| .NPR | Nuendo Project File | 2.5 |
| .PJM | xPlan Model | 2.5 |
| .BCC | Calendar Creator File | 2.5 |
| .TT12 | TurboTax Canada 2012 Tax Return | 2.5 |
| .FLO | iGrafx FlowCharter File | 2.5 |
| .IGC | Anime List Builder Input File | 2.5 |
| .DDC | DivX Descriptor File | 2.5 |
| .CLM | MagicJack Call Log File | 2.5 |
| .QDP | Quick and Dandy Plotter File | 2.5 |
| .XDNA | DNA Strider Sequence File | 2.5 |
| .SGML | Standard Generalized Markup Language File | 2.5 |
| .T09 | At Home 2009 Tax Return | 2.5 |
| .LIVEUPDATE | Symantec LiveUpdate File | 2.5 |
| .ROD | Actuate Report Object Design File | 2.5 |
| .QB2012 | QuickBooks 2012 File | 2.5 |
| .GRR | Gradekeeper Class Roster File | 2.5 |
| .KPP | Kid Pix Presentation | 2.5 |
| .PXF | Transit XV Pack Project File | 2.4 |
| .VTX | Visio Template XML File | 2.4 |
| .ZDC | CD Catalog Expert Database File | 2.4 |
| .KID | Kidspiration Document | 2.4 |
| .LGH | HMI Historical Log File | 2.4 |
| .IXB | Ulead Disc Image | 2.3 |
| .KPX | Kid Pix Picture | 2.3 |
| .OPX | FlipAlbum Photo Album File | 2.3 |
| .WNK | Wink Presentation | 2.3 |
| .CSA | PNA Code Calset File | 2.3 |
| .LSL | LightScribe Label | 2.3 |
| .DMSP | PhotoSuite Project File | 2.3 |
| .QB2009 | QuickBooks 2009 File | 2.2 |
| .TDA | Palm To-Do File | 2.2 |
| .ULZ | USBlyzer Data Capture 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 |
| .TPB | GROMACS Binary Input File | 2.0 |
| .TDA | Java Application Thread Dump | 2.0 |
| .LIX | ExtendSim Simulation Software Library | 2.0 |
| .TET | Textease CT Template | 2.0 |
| .TKFL | TKLinks Saver Favorite Links | 2.0 |
| .CTM | CrazyTalk Model File | 2.0 |
| .SWK | StudyWorks Save File | 2.0 |
| .TT13 | TurboTax Canada 2013 Tax Return | 2.0 |
| .XPJ | Micro Planner X-Pert Project File | 2.0 |
| .FO | XSL-FO Form | 2.0 |
| .BLB | Blob Data File | 2.0 |
| .MBG | Mailbag Assistant Mailbox File | 2.0 |
| .SPUB | Disc Cover File | 2.0 |
| .TXF | Tax Exchange Format | 1.9 |
| .STP | Analysis Studio Project Information File | 1.9 |
| .SBX | ESRI Spatial Index File | 1.8 |
| .ITM | iThink Model File | 1.7 |
| .LW4 | Lightwright File | 1.7 |
| .AWG | Activeworlds Object Group File | 1.7 |
| .WB2 | Corel Quattro Pro File | 1.5 |
| .IVT | Beyond 20/20 Table File | 1.5 |
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