| .M01 | Digital Vision | Grafische Bestanden | ComputerEyes Animation File | ComputerEyes | Digital Vision |
| .MAE | Interscape | Grafische Bestanden | My Avatar Editor Character File | My Avatar Editor | Interscape |
| .MBT | Interscape | Grafische Bestanden | Blue Card Manager Merit Badge Template File | Blue Card Manager | Scout Management Software |
| .MC6 | Smith Micro Software | Grafische Bestanden | Poser 6 Material File | Poser | Smith Micro Software |
| .MCH | Interscape | Grafische Bestanden | Machinery HDR Effects | Machinery HDR | Interscape |
| .MGL | Microsoft Corporation | Grafische Bestanden | Age Of Empires 2 Replay File | Microsoft Age of Empires | Ensemble Studios |
| .MGX | Microsoft Corporation | Grafische Bestanden | Rise Of Nations Saved Game | Rise Of Nations | Big Huge Games |
| .MH | Unknown Developer | Grafische Bestanden | Teli Fax Image | XnView MP | XnSoft |
| .MHA | Open Source | Grafische Bestanden | MetaImage Medical Format | Insight Segmentation and Registration Toolkit | Open Source |
| .MIF | Adobe Systems Incorporated | Grafische Bestanden | FrameMaker Interchange Format File | Adobe FrameMaker | Adobe Systems Incorporated |
| .MLD | FMJ-Software | Grafische Bestanden | I-Melody Format For I-Mode | Awave Studio | FMJ-Software |
| .MLF | Autodesk, Inc. | Grafische Bestanden | Autodesk Mapguide Layer Data | MapGuide Open Source | Autodesk, Inc. |
| .MNG | Various Developers | Grafische Bestanden | Multiple Network Graphic | Mozilla Firefox | Mozilla |
| .MO | Dassault Systèmes | Grafische Bestanden | Dymola Simulation File | Dymola | Dassault Systèmes |
| .MOCHA | Adobe Systems Incorporated | Grafische Bestanden | Adobe Mocha For Adobe After Effects File | Adobe After Effects | Adobe Systems Incorporated |
| .MOR | Corel | Grafische Bestanden | Corel Shared Writing Tools Data | Corel Paradox | Corel |
| .MSK | Corel | Grafische Bestanden | Paint Shop Pro Mask File | PaintShop Pro | Corel |
| .MSV | Sony | Grafische Bestanden | Memory Stick Voice File | Microsoft Windows Media Player | Microsoft Corporation |
| .MVO | Unknown Developer | Grafische Bestanden | A Graphic File | Unknown Software | Unknown Developer |
| .NCB | Microsoft Corporation | Grafische Bestanden | Visual C++ IntelliSense Database | Microsoft Visual Studio | Microsoft Corporation |
| .NCE | Miroslav Rajčić | Grafische Bestanden | NoteCase Pro Encrypted Document | NoteCase Pro | Miroslav Rajčić |
| .NCI | CNC Software | Grafische Bestanden | Mastercam Toolpath Data | Mastercam | CNC Software |
| .NCV | Nikon | Grafische Bestanden | Nikon Capture Curves File | Nikon Capture NX | Nikon |
| .NDB | Naviter | Grafische Bestanden | SeeYou Waypoint File | SeeYou | Naviter |
| .NDG | Broderbund | Grafische Bestanden | Nick-O-Matic Design Factory Project File | Nick-O-Matic Design Factory | Broderbund |
| .NEN | Broderbund | Grafische Bestanden | Nick-O-Matic Design Factory Project File | Nick-O-Matic Design Factory | Broderbund |
| .NGO | Broderbund | Grafische Bestanden | Nick-O-Matic Design Factory Project File | Nick-O-Matic Design Factory | Broderbund |
| .NIL | Symantec Corporation | Grafische Bestanden | Norton Icon Library Icon Set | Norton Utilities | Symantec Corporation |
| .NPM | Corel | Grafische Bestanden | CorelDRAW V10 Draw Media Lines Data | CorelDRAW Graphics Suite | Corel |
| .NSO | NetStudio | Grafische Bestanden | NetStudio Easy Web Graphics Data | NetStudio Easy Web Graphics | NetStudio |
| .O2C | Eleco Software GmbH | Grafische Bestanden | Objects To See 3D File Format | Objects to See | Eleco Software GmbH |
| .O3D | Google | Grafische Bestanden | Google Open 3D Web Graphic Format | Google Chrome | Google |
| .OCC | MathWorks | Grafische Bestanden | Oceanic DataPool File | The MathWorks MATLAB | MathWorks |
| .ONX | Onyx Computing | Grafische Bestanden | OnyxGrass Image | OnyxGrass | Onyx Computing |
| .OOG | Python Software Foundation | Grafische Bestanden | PyGraph Python Graphics Interface Object Oriented Graphics | Python | Python Software Foundation |
| .OSP | Jonathan Thomas | Grafische Bestanden | OpenShot Project File | OpenShot | Jonathan Thomas |
| .OTO | Open Source | Grafische Bestanden | AutoPano Project | AutoPano | Kolor |
| .OVF | VMware | Grafische Bestanden | Open Virtualization File | VMware Workstation | VMware |
| .PAN | ProVUE Development | Grafische Bestanden | Panorama Database File | ProVUE Development Panorama | ProVUE Development |
| .PANO | Microsoft Corporation | Grafische Bestanden | Camera Panoramic Picture | Microsoft OneDrive | Microsoft Corporation |
| .PC3 | Autodesk, Inc. | Grafische Bestanden | AutoCAD Plotter Configuration File | Autodesk AutoCAD | Autodesk, Inc. |
| .PCJ | IBM | Grafische Bestanden | IBM LinkWay Graphics Data | IBM LinkWay | IBM |
| .PCS | Pfaff | Grafische Bestanden | Pfaff Embroidery File | PesView | Open Source |
| .PDA | Molecular Devices | Grafische Bestanden | SoftMax Pro Microplate Data Analysis File | SoftMax Pro | Molecular Devices |
| .PDV | Kitware, Inc. | Grafische Bestanden | Visualization Toolkit Graphic File | Visualization ToolKit | Interscape |
| .PFL | PlotSoft | Grafische Bestanden | PDFill Project File | PlotSoft PDFill | PlotSoft |
| .PFR | Corel Corporation | Grafische Bestanden | Corel PaintShop Photo Pro Frame Data | PaintShop Pro | Corel |
| .PFS | Antonio Da Cruz | Grafische Bestanden | PhotoFiltre Studio Saved Selection File | PhotoFiltre | Antonio Da Cruz |
| .PGL | Hewlett-Packard | Grafische Bestanden | HP Plotter Language File Format | Unknown Software | Unknown Developer |
| .PHC | David Harris | Grafische Bestanden | Pegasus Mail Header Cache | Pegasus Mail | David Harris |
| .PHP | Panic | Grafische Bestanden | PHP Source Code File | Microsoft Notepad | Microsoft Corporation |
| .PI | 10101 Software | Grafische Bestanden | Pi Calculation Data File | iPi Software | 10101 Software |
| .PICS | Apple | Grafische Bestanden | Apple Mac PICT Drawing Sequence File | QuickDraw | Apple |
| .PII | Apple | Grafische Bestanden | Golden Orchard Apple II CD Rom File | Apple OS X | Apple |
| .PIV | Peter Bone | Grafische Bestanden | Pivot Stickfigure Animation | Pivot Animator (Pivot Stickfigure Animator) | Peter Bone |
| .PL1 | Broderbund | Grafische Bestanden | 3D Home Architect Room Plan | 3D Home Architect | Broderbund |
| .PLB | Microsoft Corporation | Grafische Bestanden | Microsoft Robotics Developer Studio Playback Data | Microsoft Robotics Developer Studio | Microsoft Corporation |
| .PLZ | IBM | Grafische Bestanden | Lotus Freelance Presentation | Lotus Freelance Graphics | IBM |
| .PMB | Polar | Grafische Bestanden | Polar Uplink Tool Bitmap File | PeaZip | Open Source |
| .PMP | Autodesk, Inc. | Grafische Bestanden | AutoCAD Plot Model Parameter File | Autodesk AutoCAD | Autodesk, Inc. |
| .PNG | The Pixelmator Team | Grafische Bestanden | Portable Network Graphics | Adobe Illustrator CC | Adobe Systems Incorporated |
| .POS | Trimble Inc. | Grafische Bestanden | Trimble Position File | GPS Pathfinder Office Software | Trimble Inc. |
| .PPI | Microsoft Corporation | Grafische Bestanden | Microsoft PowerPoint Graphics Data | Microsoft PowerPoint | Microsoft Corporation |
| .PPR | IBM | Grafische Bestanden | Cognos PowerPlay Report File | Cognos PowerPlay | IBM |
| .PSEG | IBM | Grafische Bestanden | IBM Printer Page Segment Bitmap | XnView MP | XnSoft |
| .PSI | SAPIEN Technologies | Grafische Bestanden | PrimalScript Online Help Shortcut | PrimalScript | SAPIEN Technologies |
| .PTN | Nuance | Grafische Bestanden | PaperPort Thumbnail File | Nuance PaperPort 14 | Nuance |
| .PTS | Avid Technology | Grafische Bestanden | Pro Tools Session | Avid Pro Tools | Avid Technology |
| .PTV | CodeJam Pte Ltd | Grafische Bestanden | MemoriesOnTV Project | MemoriesOnTV | CodeJam Pte Ltd |
| .PVT | Tom Jennings | Grafische Bestanden | Local Fidonet Pointlist | Fidonet | Tom Jennings |
| .PVW | Outram Research Ltd | Grafische Bestanden | Pronto For Windows Data View File | Pronto for Windows | Outram Research Ltd |
| .PWC | LANovation | Grafische Bestanden | PictureTaker File | LANovation PictureTaker | LANovation |
| .PXB | The Pixelmator Team | Grafische Bestanden | Pixelmator Brush File | Pixelmator | The Pixelmator Team |
| .PZI | Unknown Developer | Grafische Bestanden | Pizazz Plus Graphics File | Unknown Software | Unknown Developer |
| .PZM | GraphPad Software | Grafische Bestanden | GraphPad Prism Project | GraphPad Prism | GraphPad Software |
| .Q3D | Act-3D | Grafische Bestanden | Quest3D Project File | Quest3D | Act-3D |
| .QAD | Corel | Grafische Bestanden | Corel WordPerfect Office Thumbnail | Corel WordPerfect | Corel |
| .QLI | Gammill, Inc. | Grafische Bestanden | Statler Stitcher Data | Statler Stitcher | Gammill, Inc. |
| .QMG | Samsung Electronics | Grafische Bestanden | Samsung Theme Graphics File | Samsung Theme Designer | Samsung Electronics |
| .QST | Synergy Software | Grafische Bestanden | KaleidaGraph Style File | KaleidaGraph | Synergy Software |
| .QTZ | Apple | Grafische Bestanden | Quartz Composer File | Apple QuickTime Player | Apple |
| .QXP | QuArK Development Team | Grafische Bestanden | QuarkXpress Project | QuarkXPress | Quark Software Inc. |
| .R82 | Microsoft Corporation | Grafische Bestanden | Flight Simulator Texture File | Microsoft Flight Simulator | Microsoft Corporation |
| .RAG | Bentley Systems | Grafische Bestanden | RAM Advanse Generator Data | RAM Advanse | Bentley Systems |
| .RD3 | Corel | Grafische Bestanden | CorelDRAW CorelDream 3D Data | CorelDRAW Graphics Suite | Corel |
| .RGH | Unknown Developer | Grafische Bestanden | ZZ RouGH Image | Unknown Software | Unknown Developer |
| .RKW | RockWare | Grafische Bestanden | RockWorks Graphics File | RockWorks | RockWare |
| .RL8 | Microsoft Corporation | Grafische Bestanden | Windows Bitmap Image | Adobe Photoshop | Adobe Systems Incorporated |
| .RLB | Pierre-Emmanuel Gougelet | Grafische Bestanden | Alias/Wavefront Bitmap Image File | XnView MP | XnSoft |
| .RLC | ESRI | Grafische Bestanden | ArcView Image | ArcView | ESRI |
| .RND | Symantec Corporation | Grafische Bestanden | PGP Random Seed File | Pretty Good Privacy (PGP) | Symantec Corporation |
| .ROS | Jon Taylor | Grafische Bestanden | BattleScribe Roster Editor File | BattleScribe | Jon Taylor |
| .RTB | William Blake | Grafische Bestanden | Behemot Binary 3D Scene | Behemoth | William Blake |
| .RVS | Eidos Interactive | Grafische Bestanden | Revenant Game Archive | Revenant | Cinematix Studios, Inc. |
| .S3D | Micrografx | Grafische Bestanden | Micrografx Simply 3D Project File | Micrografx Simply 3D | Micrografx |
| .SAF | DeLorme | Grafische Bestanden | Street Atlas USA Map File | DeLorme Street Atlas USA | DeLorme |
| .SAIF | Safe Software | Grafische Bestanden | Spatial Archive Interchange Format | Unknown Software | Unknown Developer |
| .SAN | LucasArts Entertainment Company, LLC | Grafische Bestanden | Smush Animation File | Star Wars: Rebel Assault | LucasArts Entertainment Company, LLC |
| .SBL | Adobe Systems Incorporated | Grafische Bestanden | Shockwave Flash Object | Adobe Flash Player | Adobe Systems Incorporated |
| .SDP | Oracle Corporation | Grafische Bestanden | StarOffice Presentation File | Apache OpenOffice | Apache Software Foundation |
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