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