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 |
| .KDC | Kaspersky Virus Database File | 4.0 |
| .VOK | PocketVok Vocabulary File | 4.0 |
| .NOT | Notation File | 4.0 |
| .EBUILD | Portage eBuild Script | 4.0 |
| .STYK | Stykz Stick Figure | 4.0 |
| .POI | Magellan Maestro Point of Interest File | 4.0 |
| .DM2 | Toad Data Modeler 2 File | 4.0 |
| .T05 | TaxCut 2005 Tax Return | 4.0 |
| .WJR | ReGet Deluxe Data File | 4.0 |
| .QUICKENDATA | Quicken Essentials for Mac Data File | 4.0 |
| .ALD | Dynamics AX Application Label Data File | 4.0 |
| .CAPT | Capito Data File | 4.0 |
| .AIFB | AIF Builder Project File | 4.0 |
| .LDIF | LDAP Data Interchange Format File | 4.0 |
| .QB2017 | QuickBooks 2017 for Mac Data File | 4.0 |
| .PRDX | Presentations Document | 4.0 |
| .PRS | Harvard Graphics Presentation | 4.0 |
| .TAX2010 | TurboTax 2010 Tax Return | 4.0 |
| .PLW | PicoLog Data File | 4.0 |
| .TT20 | TurboTax Canada 2020 Tax Return | 4.0 |
| .BGT | Graphics Accounts Data File | 4.0 |
| .MOSAIC | MacOSaiX Mosaic File | 4.0 |
| .TRK | CompeGPS Land Track File | 4.0 |
| .T20 | H&R Block 2020 Tax Return | 4.0 |
| .MMC | Microsoft Media Catalog | 4.0 |
| .KPR | KPresenter Presentation | 4.0 |
| .TAX2023 | TurboTax 2023 Tax Return | 4.0 |
| .WTB | Win-Test Binary Log | 4.0 |
| .NCORX | Adobe Encore Project | 4.0 |
| .H17 | H&R Block Canada 2017 Tax Return | 4.0 |
| .HDF | Hierarchical Data Format (Version 4) | 4.0 |
| .RGO | RepliGo File | 4.0 |
| .FSC | Practical Scriptwriter File | 4.0 |
| .SQR | SQL Program File | 4.0 |
| .FLO | RFFlow Flowchart File | 4.0 |
| .ABCD | AudioVisual Book Data File | 4.0 |
| .RAL | WinRail Track Design File | 4.0 |
| .TOPC | TopicCrunch Project File | 4.0 |
| .XFT | Adobe Form Designer 5.0 File | 4.0 |
| .AZZ | AZZ Cardfile Database File | 4.0 |
| .SQ | Sysquake Program | 4.0 |
| .DRL | Gerber Drill Rack File | 4.0 |
| .TA9 | TaxAct 2019 Tax Return 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 |
| .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 |
| .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 | 3.8 |
| .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 |
| .CLP | CrazyTalk Clip File | 3.8 |
| .ZMC | ZoneAlarm Quarantine File | 3.8 |
| .PKA | Packet Tracer Activity File | 3.8 |
| .OPJU | Origin Unicode Project | 3.8 |
| .AAM | Authorware Map File | 3.8 |
| .JPH | JProbe Memory Snapshot | 3.8 |
| .EXX | IBM Linkway MsgPut File | 3.8 |
| .LMS | LenMus Score File | 3.8 |
| .T12 | At Home 2012 Tax Return | 3.8 |
| .RFA | Revit Family 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 |
| .GRF | DPlot Graph File | 3.8 |
| .ENL | EndNote Library | 3.8 |
| .OVF | Open Virtualization File | 3.8 |
| .NET | netViz Project File | 3.8 |
| .EGP | Easy Grade Pro Gradebook File | 3.8 |
| .QUICKEN2015 | Quicken 2015 Data File | 3.8 |
| .LIVEREG | Symantec Antivirus Session File | 3.8 |
| .ROADTRIP | Road Trip Planner File | 3.8 |
| .DOCKZIP | ObjectDock File | 3.8 |
| .TTK | Catalyst Translation Toolkit | 3.8 |
| .ZAP | ZoneAlarm Pro Data File | 3.8 |
| .TAX2009 | TurboTax 2009 Tax Return | 3.8 |
| .UWL | User Word List File | 3.8 |
| .NDX | dBASE Index (Legacy) | 3.8 |
| .VSX | Visio Stencil XML File | 3.8 |
| .GRADE | GradeStat Document | 3.8 |
| .PHOTOSLIBRARY | Photos Library | 3.7 |
| .INK | Mimio Notebook | 3.7 |
| .XLF | XLIFF Document | 3.7 |
| .TCC | TimeCalc Classic Data File | 3.7 |
| .PRJ | AIMMS Project File | 3.7 |
| .CKT | CircuitMaker File | 3.7 |
| .SDS | OpenOffice Chart | 3.7 |
| .DCMD | DiskCatalogMaker Thumbnail-Enabled Catalog | 3.7 |
| .JNT | Windows Journal File | 3.7 |
| .FCS | Flow Cytometry Standard File | 3.7 |
| .CAV | Comodo Virus Definitions 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 |
| .Q08 | QuickTax 2008 Tax Return | 3.7 |
| .T10 | At Home 2010 Tax Return | 3.7 |
| .PHB | Motorola Phone Book File | 3.7 |
| .QPB | QuickBooks Point of Sale Data File | 3.7 |
| .PDX | Adobe Acrobat Index File | 3.7 |
| .IMT | My Time Data File | 3.7 |
| .U10 | UFile 2010 Tax Return | 3.7 |
| .DVO | Cook'n Cookbook File | 3.7 |
| .PAB | Personal Address Book | 3.7 |
| .PCR | PCMark Vantage Benchmark File | 3.7 |
| .EMLXPART | Mail Message Attachment | 3.7 |
| .MWF | MapGuide Author Map Window File | 3.7 |
| .MDL | Rational Rose Model File | 3.7 |
| .IIF | Intuit Interchange Format File | 3.7 |
| .RDB | N64 ROM Database | 3.7 |
| .POTM | Microsoft PowerPoint Macro-Enabled Template | 3.7 |
| .FDB | Art Explosion Catalog | 3.7 |
| .Q09 | QuickTax 2009 Tax Return | 3.7 |
| .OO3 | OmniOutliner 3 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 |
| .PFC | AOL Personal Filing Cabinet | 3.6 |
| .3DR | 3DMark Results File | 3.6 |
| .RVT | Revit Project File | 3.6 |
| .SDF | Structure Data File | 3.6 |
| .PTF | Scrapbook Flair Template | 3.6 |
| .FDB | Portfolio Catalog | 3.6 |
| .BVP | VodaHost BlueVoda Project File | 3.6 |
| .DSZ | Orchida (OES) Embroidery File | 3.6 |
| .DPN | Depiction Data File | 3.6 |
| .MBG | Microsoft Mailbag | 3.6 |
| .PPF | Edgecam Pathtrace Part File | 3.6 |
| .RFO | RoboForm Option File | 3.6 |
| .WDF | Workshare Compare DeltaFile | 3.6 |
| .H12 | At Home Canada 2012 Tax Return | 3.6 |
| .L6T | Line 6 Tone File | 3.6 |
| .PJ2 | xPlan Document | 3.6 |
| .HST | History File | 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 |
| .CMA | Coach Activity File | 3.6 |
| .IDX | Navigation POI File | 3.6 |
| .BCM | Business Contact Manager File | 3.6 |
| .GEDCOM | GEDCOM Genealogy File | 3.6 |
| .OTP | OpenDocument Presentation Template | 3.6 |
| .PPSX | Microsoft PowerPoint Slide Show | 3.6 |
| .XML | XML File | 3.6 |
| .VDB | Symantec Virus Database File | 3.6 |
| .RET | BusinessObjects Template | 3.6 |
| .QVW | QlikView Document | 3.6 |
| .PKT | Packet Tracer Network Simulation Model | 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 |
| .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 |
| .QDF | Quicken Data File | 3.5 |
| .EV | Echoview File | 3.5 |
| .TRD | TrID Definitions Package | 3.5 |
| .DVDPROJ | iDVD Project File | 3.5 |
| .MPKT | MOPEKS Trial File | 3.5 |
| .SEN | SenTest Data File | 3.5 |
| .BCI | Belarc Advisor Report File | 3.5 |
| .DFPROJ | DVD Flick Project | 3.5 |
| .OEACCOUNT | Windows Mail Account File | 3.5 |
| .II | IconWorkshop Extended Information File | 3.5 |
| .XPT | SAS Transport File | 3.5 |
| .MNC | My Notes Center Notebook | 3.5 |
| .TSV | Tab-Separated Values File | 3.5 |
| .HDA | HotDocs Auto-Assemble File | 3.5 |
| .ABY | AOL Address Book File | 3.5 |
| .PDX | Product Data eXchange File | 3.5 |
| .SC45 | SuperCard Project File | 3.5 |
| .T18 | H&R Block 2018 Tax Return | 3.5 |
| .PRO6PLX | ProPresenter 6 Playlist Bundle | 3.5 |
| .GWK | GraphiCode PCB Job File | 3.5 |
| .SLP | Sisulizer Project File | 3.5 |
| .FOB | Dynamics NAV Object Container File | 3.5 |
| .SVF | Serial Vector Format File | 3.5 |
| .I5Z | IUCLID 5 Import/Export File | 3.5 |
| .DSY | Directory Synchronizer Project File | 3.5 |
| .PKS | Oracle Package Spec File | 3.5 |
| .LMX | Landmark Exchange File | 3.5 |
| .GRV | Office Groove File | 3.5 |
| .MNO | Macromedia Design Note | 3.5 |
| .AW | Answer Wizard File | 3.5 |
| .RCG | Recog Character Recognition Set | 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 |
| .VOI | VOI Group File | 3.4 |
| .KPF | Komodo Project File | 3.4 |
| .ONE | OneNote Document | 3.4 |
| .PPTM | Microsoft PowerPoint Macro-Enabled Presentation | 3.4 |
| .FLP | ActivPrimary Flipchart File | 3.4 |
| .PKB | Oracle Package Body File | 3.4 |
| .OFC | Open Financial Connectivity File | 3.4 |
| .MOX | ExtendSim Simulation Software Model | 3.4 |
| .TRA | WinTrack Railroad Track 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 |
| .IBA | iBooks Author Document | 3.4 |
| .SEO | SEO Note File | 3.4 |
| .PDS | Planetary Data System File | 3.4 |
| .ANME | Anime Studio Document | 3.4 |
| .XLC | Microsoft Excel Chart | 3.4 |
| .FFWP | FormsForWeb Packet | 3.4 |
| .MJK | Question File | 3.4 |
| .EFX | eFax Document | 3.4 |
| .LVM | LabVIEW Measurement File | 3.4 |
| .VCF | vCard 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 |
| .OFX | Open Financial Exchange File | 3.4 |
| .AAE | Sidecar Image Edit File | 3.3 |
| .HL | HeuristicLab Storage File | 3.3 |
| .TDL | Tab Delineated Format File | 3.3 |
| .PDAS | PDAStore Data Store File | 3.3 |
| .TRS | WinTrack Railroad Track Text File | 3.3 |
| .T07 | TaxCut 2007 Tax Return | 3.3 |
| .ENEX | Evernote Archive | 3.3 |
| .QB2013 | QuickBooks 2013 File | 3.3 |
| .RTE | Revit Project Template | 3.3 |
| .WGT | IMPS Data File | 3.3 |
| .GRK | Gradekeeper Class Gradebook File | 3.3 |
| .GDT | gretl Datafile | 3.3 |
| .T13 | H&R Block 2013 Tax Return | 3.3 |
| .FMAT | FMAT Runfile | 3.3 |
| .QB2011 | QuickBooks 2011 File | 3.3 |
| .QUICKEN2017 | Quicken 2017 Data File | 3.3 |
| .MYI | MySQL MyISAM Index File | 3.3 |
| .ASND | Adobe Sound Document | 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 |
| .RPP | REAPER Project File | 3.3 |
| .TAX2018 | TurboTax 2018 Tax Return | 3.3 |
| .WPC | WordPad Converter File | 3.3 |
| .PXL | Pocket Excel File | 3.3 |
| .GCW | Microsoft Mathematics Worksheet | 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 |
| .OMP | Office Manager Document Archive | 3.3 |
| .SLK | Symbolic Link File | 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 |
| .LP7 | LP7 Digitally Signed File | 3.3 |
| .PXJ | RecordNow Project | 3.3 |
| .CLG | Collage Maker Project File | 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 |
| .MDSX | MEGA Saved Session | 3.2 |
| .CVN | CineVision Encoding Session | 3.2 |
| .TDT | THOR Data Tree File | 3.2 |
| .KPZ | Komodo Template File | 3.2 |
| .TAX2015 | TurboTax 2015 Tax Return | 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 |
| .PRJ | Project File | 3.2 |
| .TBK | ToolBook File | 3.2 |
| .VCE | Visual CertExam Exam File | 3.2 |
| .ER1 | ERWin Entity Relationship Diagram | 3.2 |
| .TPF | Transit NXT Pack Translation File | 3.2 |
| .LSF | Logos Library System File | 3.2 |
| .STYKZ | Stykz Animation | 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 |
| .QB2014 | QuickBooks 2014 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 |
| .DCM | DiskCatalogMaker Catalog | 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 |
| .MDM | HLM Multivariate Data Matrix File | 3.1 |
| .CDX | ChemDraw Exchange File | 3.1 |
| .PTB | Power Tab File | 3.1 |
| .QMTF | Quicken Mac Transfer File | 3.0 |
| .TAX2008 | TurboTax 2008 Tax Return | 3.0 |
| .EPF | Edgecam Educational Part File | 3.0 |
| .XDB | Symantec Virus Database File | 3.0 |
| .ID2 | Windows Live Messenger Emoticon File | 3.0 |
| .OTL | NoteTab Outline File | 3.0 |
| .PD5 | Windows Live Photo Gallery Information File | 3.0 |
| .TDM | LabVIEW Binary Measurement File | 3.0 |
| .XSLT | Extensible Stylesheet Language Transformations File | 3.0 |
| .VRD | Visio Report Definition File | 3.0 |
| .DSB | Wondershare DVD Slideshow Builder Project | 3.0 |
| .T11 | At Home 2011 Tax Return | 3.0 |
| .SDP | Session Description Protocol File | 3.0 |
| .MCDX | Mathcad Prime Document | 3.0 |
| .T08 | TaxCut 2008 Tax Return | 3.0 |
| .GNO | GenoPro Genealogy Tree File | 3.0 |
| .XPJ | RoboHelp HTML Project File | 3.0 |
| .IMA | Sage ACT! Email Message | 3.0 |
| .ROU | Gerber Route File | 3.0 |
| .WB3 | Corel Quattro Pro 7 and 8 File | 3.0 |
| .XRP | RationalPlan Project File | 3.0 |
| .T06 | TaxCut 2006 Tax Return | 3.0 |
| .PD4 | Windows Live Photo Gallery Information File | 3.0 |
| .MEX | Macro Express File | 3.0 |
| .T16 | H&R Block 2016 Tax Return | 3.0 |
| .TE3 | WinTrack Object File | 3.0 |
| .JDB | Symantec Endpoint Protection Update File | 3.0 |
| .RNQ | Renque Model File | 3.0 |
| .PPF | Transit NXT Pack Project File | 3.0 |
| .WCD | Works Calendar File | 3.0 |
| .FOP | InfoZoom Protected Data File | 3.0 |
| .LIX | Logos Library System File | 3.0 |
| .PSPD | PhotoSuite 5 Project File | 3.0 |
| .OR6 | Lotus Organizer 6 File | 3.0 |
| .PTN | PaperPort Thumbnail File | 3.0 |
| .CNA | Catena Project File | 3.0 |
| .XFO | XSL-FO Formatted Form | 3.0 |
| .SAR | Sibelius Arrange Style | 3.0 |
| .WGT | XNBC Synaptic Weights File | 3.0 |
| .DII | Summation Batch Load File | 3.0 |
| .SCD | TurboTax Tax Schedule List | 3.0 |
| .DAS | DeltaMaster Analysis Session | 3.0 |
| .PKH | Oracle Package File | 3.0 |
| .BRW | Calyx Point Borrower File | 3.0 |
| .NPT | Portfolio NetPublish Template | 3.0 |
| .ULF | Universal List File | 3.0 |
| .WEA | Ecotect Weather File | 3.0 |
| .HS2 | HyperRESEARCH 2 Study File | 3.0 |
| .SQD | SQ Data File | 3.0 |
| .MMP | MindManager Mind Map | 3.0 |
| .XMLPER | LeCroy Binary Waveform File | 3.0 |
| .ITX | FileNet eForms Designer Template | 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 |
| .POD | OpenProj Project File | 2.9 |
| .STA | ABAQUS Status 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 |
| .DAL | DVD-lab Project File | 2.8 |
| .NP | Portfolio NetPublish File | 2.8 |
| .PHM | Pro Home Manager Data File | 2.8 |
| .VDX | Microsoft Visio XML Drawing | 2.8 |
| .NDK | Lotus Notes Design Elements File | 2.8 |
| .FTW | Family Tree Maker File | 2.8 |
| .EXP | Export File | 2.8 |
| .TT10 | TurboTax Canada 2010 Tax Return | 2.8 |
| .TAX2011 | TurboTax 2011 Tax Return | 2.8 |
| .FMC | FormConnect Form File | 2.8 |
| .MW | Maple Worksheet | 2.7 |
| .HML | HostMonitor TestList File | 2.7 |
| .PNPROJ | Programmer's Notepad Project File | 2.7 |
| .ITMSP | iTunes Store Package | 2.7 |
| .MBX | Outlook Express Mailbox | 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 |
| .ESX | Xactimate Insurance Claims Estimate | 2.6 |
| .DDCX | DivX Descriptor 2 File | 2.5 |
| .EPW | EnergyPlus Weather Data File | 2.5 |
| .QB2012 | QuickBooks 2012 File | 2.5 |
| .XDNA | DNA Strider Sequence File | 2.5 |
| .CLM | MagicJack Call Log File | 2.5 |
| .NPR | Nuendo Project File | 2.5 |
| .FLO | iGrafx FlowCharter File | 2.5 |
| .ROD | Actuate Report Object Design File | 2.5 |
| .T09 | At Home 2009 Tax Return | 2.5 |
| .QDP | Quick and Dandy Plotter File | 2.5 |
| .LIVEUPDATE | Symantec LiveUpdate File | 2.5 |
| .IGC | Anime List Builder Input File | 2.5 |
| .DDC | DivX Descriptor File | 2.5 |
| .GRR | Gradekeeper Class Roster File | 2.5 |
| .PJM | xPlan Model | 2.5 |
| .TT12 | TurboTax Canada 2012 Tax Return | 2.5 |
| .SGML | Standard Generalized Markup Language File | 2.5 |
| .KPP | Kid Pix Presentation | 2.5 |
| .BCC | Calendar Creator File | 2.5 |
| .GC | GraphClick 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 |
| .KPX | Kid Pix Picture | 2.3 |
| .IXB | Ulead Disc Image | 2.3 |
| .OPX | FlipAlbum Photo Album File | 2.3 |
| .WNK | Wink Presentation | 2.3 |
| .CSA | PNA Code Calset File | 2.3 |
| .DMSP | PhotoSuite Project File | 2.3 |
| .LSL | LightScribe Label | 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 |
| .TDA | Java Application Thread Dump | 2.0 |
| .TPB | GROMACS Binary Input File | 2.0 |
| .TT13 | TurboTax Canada 2013 Tax Return | 2.0 |
| .SPUB | Disc Cover File | 2.0 |
| .BLB | Blob Data File | 2.0 |
| .TKFL | TKLinks Saver Favorite Links | 2.0 |
| .CTM | CrazyTalk Model File | 2.0 |
| .XPJ | Micro Planner X-Pert Project File | 2.0 |
| .LIX | ExtendSim Simulation Software Library | 2.0 |
| .MBG | Mailbag Assistant Mailbox File | 2.0 |
| .TET | Textease CT Template | 2.0 |
| .FO | XSL-FO Form | 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 |
| .AWG | Activeworlds Object Group File | 1.7 |
| .LW4 | Lightwright File | 1.7 |
| .WB2 | Corel Quattro Pro File | 1.5 |
| .IVT | Beyond 20/20 Table File | 1.5 |
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