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