| .ADB | Open Source | Page Layout Files | Ada Body File | MacroMates TextMate | MacroMates |
| .AFP | Garmin | Page Layout Files | XMap Flight Plan Statistic File | XMap | Garmin |
| .AO | Green Parrots Software | Page Layout Files | ActionOutline Outline File | ActionOutline | Green Parrots Software |
| .AP | Fifth Generation Systems | Page Layout Files | Active Page | Google Chrome | Google |
| .AV | Final Draft | Page Layout Files | Final Draft AV Script | Final Draft | Final Draft |
| .AVERY | Avery Dennison | Page Layout Files | Avery Design & Print Label File | Avery Design & Print | Avery Dennison |
| .BCF | Belltech systems | Page Layout Files | Business Card Designer Pro File | Belltech Business Card Designer Pro | Belltech systems |
| .BCP | Blackmagic Design | Page Layout Files | BlackMagic Custom Palette | Adobe Photoshop | Adobe Systems Incorporated |
| .BIZ | Broderbund | Page Layout Files | Broderbund Business Card File | Broderbund PrintMaster v7 Platinum | Broderbund |
| .BLK | Autodesk, Inc. | Page Layout Files | AutoCAD Block Template File | Autodesk AutoCAD Ecscad | Autodesk, Inc. |
| .BOOK | Adobe Systems Incorporated | Page Layout Files | FrameMaker Book File | Adobe FrameMaker | Adobe Systems Incorporated |
| .BPF | Infor | Page Layout Files | Baan ERP Document | b2Win | NAZDAQ |
| .BRO | Onyx Computing | Page Layout Files | Broadleaf Tree Model | OnyxTREE BROADLEAF | Onyx Computing |
| .BTW | Seagull Scientific, Inc. | Page Layout Files | BarTender Label | Seagull Scientific BarTender | Seagull Scientific, Inc. |
| .CAJ | National Project Research Center of CD | Page Layout Files | Chinese Academic Journal File | CNKI CAJViewer | National Project Research Center of CD |
| .CAL | Newera Software Technology, Inc. | Page Layout Files | CALS Raster File | Adobe Photoshop | Adobe Systems Incorporated |
| .CBF | Tailwag Software | Page Layout Files | Calendar Builder File | Calendar Builder | Tailwag Software |
| .CBW | Open Source | Page Layout Files | ComicRack Webcomics Data | ComicRack | Open Source |
| .CC5 | Broderbund | Page Layout Files | Calendar Creator Document | Calendar Creator | Broderbund |
| .CD2 | Avery Dennison | Page Layout Files | Click'N Design 3D File | Click'N Design 3D | Avery Dennison |
| .CDF | Wolfram Research | Page Layout Files | Computable Document Format File | Wolfram Research CDF Player | Wolfram Research |
| .CH3 | Harvard Graphics | Page Layout Files | Harvard Graphics DOS Chart File | ACD Systems Canvas | Microsoft Corporation |
| .CLT | Clarity Legal | Page Layout Files | Clarity Legal Transcript File | Clarity Legal Viewer | Clarity Legal |
| .COV | Microsoft Corporation | Page Layout Files | Fax Cover Page File | Microsoft Fax Cover Page Editor | Microsoft Corporation |
| .CP2 | Unknown Developer | Page Layout Files | Compel V2 Presentation | Unknown Software | Unknown Developer |
| .CPE | Microsoft Corporation | Page Layout Files | Fax Cover Page File | Microsoft Fax Cover Page Editor | Microsoft Corporation |
| .CPH | Corel | Page Layout Files | Corel Print House File | Corel Print House | Corel |
| .CPY | Autodesk, Inc. | Page Layout Files | 3ds Max Copy Track File | Autodesk 3ds Max | Autodesk, Inc. |
| .CSD | Valve | Page Layout Files | Steam Game Data Backup File | Steam | Valve |
| .CST | Smith Micro Software | Page Layout Files | Manga Studio Story File | Manga Studio | Smith Micro Software |
| .CW | NCH Software | Page Layout Files | CardWorks Template | CardWorks | NCH Software |
| .DCX | ZSoft Corporation | Page Layout Files | Zsoft Multi-Page Paintbrush File | Adobe Photoshop | Adobe Systems Incorporated |
| .DE | Interscape | Page Layout Files | DrawExpress Diagram File | DrawExpress | Interscape |
| .DOT | Microsoft Corporation | Page Layout Files | Word Document Template | Apache OpenOffice | Apache Software Foundation |
| .DOTM | Microsoft Corporation | Page Layout Files | Word 2007 XML Macro-Enabled Template | Apache OpenOffice | Apache Software Foundation |
| .DOTX | Microsoft Corporation | Page Layout Files | Word 2007 XML Template | Apache OpenOffice | Apache Software Foundation |
| .DPD | David Pilling | Page Layout Files | Ovation Pro File | Ovation Pro Reader | David Pilling |
| .DTL | Interscape | Page Layout Files | Now Contact Detail Template | Now Up-to-Date (Now Contact) | Now Software |
| .DTP | Poster Software, LLC | Page Layout Files | Publish-iT Document | Publish-iT | Poster Software, LLC |
| .DTX | Open Source | Page Layout Files | Documented LaTeX File | MiKTeX | Christian Schenk |
| .EASMX | Dassault Systèmes | Page Layout Files | SolidWorks eDrawings XPS Assembly File | SOLIDWORKS | Dassault Systèmes |
| .EBO | Microsoft Corporation | Page Layout Files | Microsoft Reader eBook Format | Microsoft Reader | Microsoft Corporation |
| .ENV | Adobe Systems Incorporated | Page Layout Files | Adobe Dictionary Data File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .FAX | Interscape | Page Layout Files | Now Contact Fax Template | Now Up-to-Date (Now Contact) | Now Software |
| .FDD | Parallels | Page Layout Files | Parallels Desktop Floppy Disk Image File | Parallels Desktop for Mac | Parallels |
| .FDT | Final Draft | Page Layout Files | Final Draft 5-7 Template | Final Draft | Final Draft |
| .FGC | Nova Development | Page Layout Files | Greeting Card Factory Card File | Nova Greeting Card Factory | Nova Development |
| .FLB | FileMaker Inc. | Page Layout Files | FileMaker Pro Label File | FileMaker Pro | FileMaker Inc. |
| .FLO | RFF Electronics | Page Layout Files | RFFlow Flowchart File | RFFlow | RFF Electronics |
| .FM | Adobe Systems Incorporated | Page Layout Files | FrameMaker Document | Adobe FrameMaker | Adobe Systems Incorporated |
| .FOM | EZFORMS | Page Layout Files | EZ-Forms Fill Out Master Form | EZ-Forms | EZFORMS |
| .FORM | Oracle Corporation | Page Layout Files | NetBeans Java GUI Designer Form | NetBeans | Open Source |
| .FP3 | Fast Report | Page Layout Files | FastReport Prepared Report File | Fast Report Viewer | Fast Report |
| .FR3 | Fast Report | Page Layout Files | FastReport Form File | FastReport Studio | Fast Report |
| .FRF | Fast Report | Page Layout Files | FreeReport Form File | FreeReport | Fast Report |
| .FSD | AmsterCHEM | Page Layout Files | Flowsheet Document | AmsterCHEM COCO | AmsterCHEM |
| .FXM | pmG Worldwide | Page Layout Files | MessiahStudio Motion File | pmG messiahStudio | pmG Worldwide |
| .GDB | Garmin | Page Layout Files | GPS Database File | Garmin BaseCamp | Garmin |
| .GEM | RubyGems.org | Page Layout Files | RubyGems Package | RubyGems | RubyGems.org |
| .GLY | Microsoft Corporation | Page Layout Files | Word Glossary File | Microsoft Word | Microsoft Corporation |
| .GMP | Blue Marble Geographics | Page Layout Files | Global Mapper Package File | Global Mapper | Blue Marble Geographics |
| .GSP | Ipswitch, Inc. | Page Layout Files | IMail Error Message File | Ipswitch IMail Server | Ipswitch, Inc. |
| .GWB | Open Source | Page Layout Files | Interwrite Presentation File | InterWrite Reader | Open Source |
| .HCR | Broderbund | Page Layout Files | Half-Fold Card File | CreataCard | American Greetings |
| .HFD | Matthew Bender | Page Layout Files | HotDocs Form Document | HotDocs | Matthew Bender |
| .HFT | Matthew Bender | Page Layout Files | HotDocs Form Template | HotDocs | Matthew Bender |
| .HMK | Hallmark Cards, Inc. | Page Layout Files | Hallmark Card Studio File | Hallmark Card Studio | Hallmark Cards, Inc. |
| .HPD | Matthew Bender | Page Layout Files | HotDocs PDF Document | HotDocs | Matthew Bender |
| .HPT | Matthew Bender | Page Layout Files | HotDocs PDF Template | HotDocs | Matthew Bender |
| .HWDT | Hancom, Inc. | Page Layout Files | Thinkfree Office NEO Word Template | Thinkfree Office NEO | Hancom, Inc. |
| .ICS | IronCAD, LLC | Page Layout Files | IronCAD 3D CAD Drawing File | IronCAD | IronCAD, LLC |
| .IDD | Adobe Systems Incorporated | Page Layout Files | Adobe InDesign For Mac Document | Adobe InDesign | Adobe Systems Incorporated |
| .IDML | Adobe Systems Incorporated | Page Layout Files | Adobe InDesign Markup Language File | Adobe InDesign | Adobe Systems Incorporated |
| .IFD | FlySoftwar | Page Layout Files | InForm Document | InForm Designer | FlySoftwar |
| .ILDOC | BroadVision | Page Layout Files | QuickSilver Document | BroadVision QuickSilver | BroadVision |
| .IMM | ThinkBuzan | Page Layout Files | iMindMap Map File | iMindMap | ThinkBuzan |
| .IMX | ThinkBuzan | Page Layout Files | iMindMap Map File | iMindMap | ThinkBuzan |
| .INCD | Adobe Systems Incorporated | Page Layout Files | InCopy Document | Adobe InDesign | Adobe Systems Incorporated |
| .INCT | Adobe Systems Incorporated | Page Layout Files | InCopy Template | Adobe InCopy | Adobe Systems Incorporated |
| .INCX | Adobe Systems Incorporated | Page Layout Files | InCopy CS3 Interchange File | Adobe InDesign | Adobe Systems Incorporated |
| .IND | Adobe Systems Incorporated | Page Layout Files | Adobe InDesign Document | QuarkXPress | Quark Software Inc. |
| .INDD | Adobe Systems Incorporated | Page Layout Files | Adobe InDesign Document | QuarkXPress | Quark Software Inc. |
| .INFOPATHXML | Microsoft Corporation | Page Layout Files | Microsoft InfoPath Form | Microsoft InfoPath | Microsoft Corporation |
| .INP | Concept Software | Page Layout Files | Urdu InPage Document | Urdu InPage | Concept Software |
| .ISD | Flexera Software | Page Layout Files | Flexera InstallShield Dialog Box File | InstallShield | Flexera Software |
| .IWR | Right Mind Logic | Page Layout Files | Iwrite.4.life Document | iwrite.4.life | Right Mind Logic |
| .JTP | Microsoft Corporation | Page Layout Files | Windows Journal Template | Microsoft Windows Journal | Microsoft Corporation |
| .JTX | Microsoft Corporation | Page Layout Files | XPS Document File | Microsoft XPS Viewer | Microsoft Corporation |
| .LAB | Corel | Page Layout Files | WordPerfect Label Definition File | Corel WordPerfect | Corel |
| .LACCDB | Microsoft Corporation | Page Layout Files | Microsoft Access Lock File | Microsoft Access | Microsoft Corporation |
| .LBL | Interscape | Page Layout Files | Now Contact Label Template | Now Up-to-Date (Now Contact) | Now Software |
| .LDB | Microsoft Corporation | Page Layout Files | Microsoft Access Lock File | Microsoft Access | Microsoft Corporation |
| .LLD | Siemens AG | Page Layout Files | Logo! Soft Comfort LAD File | Soft Comfort | Siemens AG |
| .LMA | Siemens AG | Page Layout Files | Logo! UDF File | Siemens Logo! Soft Comfort 7 | Siemens AG |
| .LOK | CursorArts Company | Page Layout Files | FileWrangler Archive | FileWrangler | CursorArts Company |
| .LSC | Siemens AG | Page Layout Files | Logo! Soft Comfort File | Siemens Logo! Soft Comfort 7 | Siemens AG |
| .LST | Unknown Developer | Page Layout Files | Data List | LibreOffice | The Document Foundation |
| .M2U | Maxthon | Page Layout Files | Maxthon Layout File | Maxthon Cloud Browser | Maxthon |
| .MAX | Autodesk, Inc. | Page Layout Files | 3ds Max Scene File | Autodesk 3ds Max | Autodesk, Inc. |
| .MDI | Microsoft Corporation | Page Layout Files | Microsoft Document Imaging File | Microsoft Office | Microsoft Corporation |
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