| .!C | Newera Software Technology, Inc. | Ficheiros Gráficos | Graphics Converter Pro Data | Graphics Converter Pro | Newera Software Technology, Inc. |
| .1SC | Bio-Rad | Ficheiros Gráficos | Bio-Rad Scan File | Quantity One 1-D | Bio-Rad |
| .256 | Interplay Entertainment | Ficheiros Gráficos | Descent 2 Color Palette File | Interplay Descent 2 | Interplay Entertainment |
| .3D3 | 3D3 Solutions | Ficheiros Gráficos | 3D3 Graphic Animation | Unknown Software | Unknown Developer |
| .3DJ | Pygraphics | Ficheiros Gráficos | Pyware 3D Drill File | Pyware 3D | Pygraphics |
| .3DM | Redway3d and others | Ficheiros Gráficos | Rhino 3D Model | Autodesk Fusion 360 | Autodesk, Inc. |
| .3DP | Futuremark Corporation | Ficheiros Gráficos | 3DMark2011 SE Project File | Futuremark 3DMark | Futuremark Corporation |
| .400 | Unknown Developer | Ficheiros Gráficos | Designer Graphics File | Unknown Software | Unknown Developer |
| .411 | Sony | Ficheiros Gráficos | Sony Mavica Digital Photo | XnView MP | XnSoft |
| .8BPS | Adobe Systems Incorporated | Ficheiros Gráficos | Adobe Photoshop Data File | Adobe Photoshop | Adobe Systems Incorporated |
| .92C | Texas Instruments, Inc. | Ficheiros Gráficos | TI-92 | TI-92 | Texas Instruments, Inc. |
| .92I | Texas Instruments, Inc. | Ficheiros Gráficos | TI-92 | TI-92 | Texas Instruments, Inc. |
| .AAS | Adobe Systems Incorporated | Ficheiros Gráficos | Adobe Authorware Shocked Packet File | Adobe Authorware | Adobe Systems Incorporated |
| .AI3 | Adobe Systems Incorporated | Ficheiros Gráficos | Generic Encapsulated PostScript Graphic Format File | Adobe Illustrator CC | Adobe Systems Incorporated |
| .AJD | Planit Solutions, Inc. | Ficheiros Gráficos | Alphacam Water Jet Drawing File | Planit Alphacam | Planit Solutions, Inc. |
| .AMA | Electronic Arts | Ficheiros Gráficos | FIFA 2000 Game Data | FIFA 2000 | Electronic Arts |
| .AMT | Planit Solutions, Inc. | Ficheiros Gráficos | Alphacam 3D Mill, 2D Mill Tool | Planit Alphacam | Planit Solutions, Inc. |
| .ANL | Planit Solutions, Inc. | Ficheiros Gráficos | Alphacam Nest List | Planit Alphacam | Planit Solutions, Inc. |
| .APG | Unknown Developer | Ficheiros Gráficos | Ivana Animated GIF File | Unknown Software | Unknown Developer |
| .ATK | Pierre-Emmanuel Gougelet | Ficheiros Gráficos | Andrew Toolkit Raster Object | XnView MP | XnSoft |
| .AVT | SavySoda | Ficheiros Gráficos | Avatar For iPhone Avatar File | Avatar for iPhone | SavySoda |
| .AWF | Adobe Systems Incorporated | Ficheiros Gráficos | Adobe WorkFlow Workgroup Plugin | Adobe Creative Cloud | Adobe Systems Incorporated |
| .AXD | Microsoft Corporation | Ficheiros Gráficos | ASP.NET Web Handler File | LibreOffice | The Document Foundation |
| .AXI | MetaCreations | Ficheiros Gráficos | KAI'S Power GOO Picture Library | Metacreations Kai's Power Goo | MetaCreations |
| .BAN | Sierra Entertainment | Ficheiros Gráficos | Sierra Print Artist Banner File | Print Artist | Sierra Entertainment |
| .BCN | Belltech systems | Ficheiros Gráficos | Business Card Design File | Belltech Business Card Designer Pro | Belltech systems |
| .BDF | Willowsoft Creek Software | Ficheiros Gráficos | Backup Definition File | Backup Made Simple | Willowsoft Creek Software |
| .BGX | Bjarne Stroustrup | Ficheiros Gráficos | BC45 | Microsoft C/C++ | Microsoft Corporation |
| .BHW | Open Source | Ficheiros Gráficos | Blophome Published Project | Blophome | Open Source |
| .BKD | Kaspersky Lab | Ficheiros Gráficos | Book Library Local Dos Exploit Data | Kaspersky Anti-Virus | Kaspersky Lab |
| .BKW | Microsoft Corporation | Ficheiros Gráficos | FontEdit Image File | FontEdit | Microsoft Corporation |
| .BMML | Balsamiq Studios, LLC | Ficheiros Gráficos | Balsamiq Mockups Graphics | Balsamiq Mockups | Balsamiq Studios, LLC |
| .BNN | Unknown Developer | Ficheiros Gráficos | Vectorial Image File | Unknown Software | Unknown Developer |
| .BRP | Onyx Computing | Ficheiros Gráficos | Tree Professional Broadleaf Creator Image | OnyxTREE BROADLEAF | Onyx Computing |
| .BRT | DAZ 3D | Ficheiros Gráficos | Bryce Textures File | DAZ 3D Bryce | DAZ 3D |
| .BRZ | Battlefront.com | Ficheiros Gráficos | Combat Mission: Shock Force Archive | Combat Mission: Shock Force | Battlefront.com |
| .BS | BioWare | Ficheiros Gráficos | Infinity Game Engine Compiled Script File | Baldur's Gate | BioWare |
| .BWC | Black Hills Software | Ficheiros Gráficos | BeadWizard Color Palette | BeadWizard | Black Hills Software |
| .CAT | Microsoft Corporation | Ficheiros Gráficos | Windows Catalog File | Microsoft Windows | Microsoft Corporation |
| .CCK | U.S. Department of Energy | Ficheiros Gráficos | COMcheck Data File | COMcheck | U.S. Department of Energy |
| .CDB | Nokia | Ficheiros Gráficos | Symbian Phonebook Database | Nokia PC Suite | Nokia |
| .CDC | Autodesk, Inc. | Ficheiros Gráficos | AutoCAD DesignCenter Preview Cache File | Autodesk AutoCAD | Autodesk, Inc. |
| .CDF | Wolfram Research | Ficheiros Gráficos | Computable Document Format File | Wolfram Research CDF Player | Wolfram Research |
| .CDU | Pierre-Emmanuel Gougelet | Ficheiros Gráficos | CDU-Paint Image Format | XnView MP | XnSoft |
| .CDW | ASCON | Ficheiros Gráficos | KOMPAS Document | ASCON KOMPAS-3D | ASCON |
| .CEG | Unknown Developer | Ficheiros Gráficos | Tempra Show Bitmap Graphic File | Unknown Software | Unknown Developer |
| .CFT | Walt Disney Animation Studios | Ficheiros Gráficos | CFast Graphics | XnView MP | XnSoft |
| .CH1 | IBM | Ficheiros Gráficos | IBM Freelance Graphics Chart File | Lotus Freelance Graphics | IBM |
| .CIF | Corel | Ficheiros Gráficos | Easy CD Creator Disk Image | IsoBuster | Smart Projects |
| .CIM | CIMEX Corporation | Ficheiros Gráficos | CimPack Design Drawing | CimPack design drawing | CIMEX Corporation |
| .CKO | Corel | Ficheiros Gráficos | Image Mask File | Corel KnockOut 2 | Corel |
| .CLO | Pierre-Emmanuel Gougelet | Ficheiros Gráficos | Cloe Ray-Tracer Image | XnView MP | XnSoft |
| .CLOUD | GOM & Company | Ficheiros Gráficos | GOM Atos Scanner Data | Rapidform Explorer (Geomagic Verify Viewer) | Rapidform, Inc. |
| .CMK | Creative Wonders | Ficheiros Gráficos | Card Shop Plus Card File | Card Shop Plus | Creative Wonders |
| .CMP | Microsoft Corporation | Ficheiros Gráficos | Windows Connection Manager Profile | Microsoft Windows Server 2016 | Microsoft Corporation |
| .CMT | Chinon Group | Ficheiros Gráficos | Chinon ES-1000 Digital Camera Image Format | Zoner Photo Studio | Zoner Software |
| .COT | Intergraph Corporation | Ficheiros Gráficos | Intergraph Image File | Intergraph SG&I software | Intergraph Corporation |
| .CP8 | Unknown Developer | Ficheiros Gráficos | CP8 256 Gray Scale Image | XnView MP | XnSoft |
| .CRF | Open Source | Ficheiros Gráficos | Cal3D Binary Materials File | Cal3DViewer | Open Source |
| .CS4 | Sinar | Ficheiros Gráficos | Sinar CaptureShop 4-shot Image File | Sinar CaptureShop | Sinar |
| .CSA | Agilent Technologies | Ficheiros Gráficos | PNA Code Calset File | PNA Code | Agilent Technologies |
| .CSE | Macropool | Ficheiros Gráficos | Web Research Document Package | Web Research Professional | Macropool |
| .CSN | Adobe Systems Incorporated | Ficheiros Gráficos | Adobe Code Snippet Document | Adobe Dreamweaver | Adobe Systems Incorporated |
| .CT2 | Geoslope | Ficheiros Gráficos | CTRAN/W Graphical Layout File | CTRAN/W | Geoslope |
| .CTM | LucasArts Entertainment Company, LLC | Ficheiros Gráficos | Star Wars Republic Commando Map File | Star Wars Republic Commando | LucasArts Entertainment Company, LLC |
| .CU1 | Computerinsel GmbH | Ficheiros Gráficos | Photoline4 Curves Curve File | Photoline | Computerinsel GmbH |
| .CURSOR | Sun Microsystems | Ficheiros Gráficos | Sun Cursor | SunOS | Sun Microsystems |
| .CWR | SAP | Ficheiros Gráficos | Crystal Reports Report | Crystal Reports | SAP |
| .DBA | PDC (Prolog Development Center) | Ficheiros Gráficos | Turbo Prolog Database | Visual Prolog | PDC (Prolog Development Center) |
| .DBX | Microsoft Corporation | Ficheiros Gráficos | Outlook Express E-mail Folder | Microsoft Outlook Express | Microsoft Corporation |
| .DCIM | American College of Radiology (ACR) and National Electrical Manufacturers Association (NEMA) | Ficheiros Gráficos | Digital Imaging And Communications In Medicine Image | DICOM | American College of Radiology (ACR) and National Electrical Manufacturers Association (NEMA) |
| .DCX | ZSoft Corporation | Ficheiros Gráficos | Zsoft Multi-Page Paintbrush File | Adobe Photoshop | Adobe Systems Incorporated |
| .DDA | MicroImages | Ficheiros Gráficos | TNTmips Import File Format | TNTmips | MicroImages |
| .DF3 | Omnis Software | Ficheiros Gráficos | Omnis Studio Database File Format | Omnis Studio | Omnis Software |
| .DG | Data Access Worldwide | Ficheiros Gráficos | DataFlex Source Code For A Dialog Box | DataFlex | Data Access Worldwide |
| .DGI | Buzzqw | Ficheiros Gráficos | HDConvertToX Input Data | HDConvertToX | Buzzqw |
| .DGM | IBM | Ficheiros Gráficos | IBM Lotus Freelance Graphics Diagram Data | Lotus Freelance Graphics | IBM |
| .DGP | Atari Corporation | Ficheiros Gráficos | Atari Picture Image File | Recoil | Piotr Fusik |
| .DHG | Direct Hit Technologies, Inc. | Ficheiros Gráficos | Graphic Output File | Direct Hit Graphics Engine | Direct Hit Technologies, Inc. |
| .DIP | Microsoft Corporation | Ficheiros Gráficos | Windows Bitmap Format | Microsoft Windows | Microsoft Corporation |
| .DIT | Microsoft Corporation | Ficheiros Gráficos | Active Directory Information Tree File | Microsoft Active Directory | Microsoft Corporation |
| .DKB | The POV-Team | Ficheiros Gráficos | DKBTrace Raytraced Graphics | Pov-Ray | The POV-Team |
| .DOG | Ubisoft Blue Byte | Ficheiros Gráficos | Dogz Dog Description File | Petz | Ubisoft Blue Byte |
| .DRP | DÖRR EDV-Beratung | Ficheiros Gráficos | DReport Document | DReport | DÖRR EDV-Beratung |
| .DRT | Micrografx | Ficheiros Gráficos | Micrografix Windows Draw Template File | Micrografix Windows Draw | Micrografx |
| .DSR | Activision | Ficheiros Gráficos | Modern Warfare 3 Dedicated Server Recipe File | Call of Duty 4: Modern Warfare | Activision |
| .DTC | Microsoft Corporation | Ficheiros Gráficos | Windows Application Log File | Microsoft Windows Millenium Edition | Microsoft Corporation |
| .DTED | Unknown Developer | Ficheiros Gráficos | Digital Terrain Elevation Geographical Data File Format | Unknown Software | Unknown Developer |
| .DWA | Alex Gavrilov | Ficheiros Gráficos | Digital Waveform Archiver Audio File | DWA Coder | DWA Coder |
| .DWZ | Corel | Ficheiros Gráficos | DVD MovieFactory Project File | DVD MovieFactory | Corel |
| .EBT | Sierra Technology Group | Ficheiros Gráficos | Embroidery Office File | Embroidery Office | Sierra Technology Group |
| .ECC | Carsten Gnörlich | Ficheiros Gráficos | Dvdisaster Error Correction File | dvdisaster | Carsten Gnörlich |
| .ECD | EUROSYSTEMS | Ficheiros Gráficos | CoCut Plotter Printer Driver | Cocut | EUROSYSTEMS |
| .EIF | Envex Solutions | Ficheiros Gráficos | Envex Import Format File | xFlow | Envex Solutions |
| .EIZ | EIAS3D | Ficheiros Gráficos | Electric Image File Format | Unknown Software | Unknown Developer |
| .EL1 | Canon Inc. | Ficheiros Gráficos | Easy-PhotoPrint EX Album | Easy-PhotoPrint EX | Canon Inc. |
| .EMAP | Spiral Graphics Inc. | Ficheiros Gráficos | High Dynamic Range Spherical Panorama | Genetica | Spiral Graphics Inc. |
| .EMO | Microsoft Corporation | Ficheiros Gráficos | Emoticon Data | ICQ | Mail.Ru |
| .EMS | Intergraph Corporation | Ficheiros Gráficos | Intergraph Engineering Modelling System File | Unknown Software | Unknown Developer |
| .EOF | BALARAD | Ficheiros Gráficos | Embird Outline Format | Embird Embroidery Software | BALARAD |
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