| .0B | Adobe Systems Incorporated | Pliki z czcionkami | Adobe PageMaker Printer Font | Adobe PageMaker | Adobe Systems Incorporated |
| .12U | Adobe Systems Incorporated | Pliki z czcionkami | Adobe PageMaker Font File | Adobe PageMaker | Adobe Systems Incorporated |
| .64C | Commodore International | Pliki z czcionkami | Commodore C64 Emulator Data Or Font | Recoil | Piotr Fusik |
| .8M | Adobe Systems Incorporated | Pliki z czcionkami | PageMaker Math 8 Printer Font | Adobe PageMaker | Adobe Systems Incorporated |
| .8U | Adobe Systems Incorporated | Pliki z czcionkami | Adobe Pagemaker Roman 8 Extended Character Set Printer Font | Adobe PageMaker | Adobe Systems Incorporated |
| .91 | Corel | Pliki z czcionkami | Ventura Publisher 91x91 DPI Display Font | Ventura Publisher | Corel |
| .ABF | Adobe Systems Incorporated | Pliki z czcionkami | Adobe Binary Screen Font File | Microsoft Windows Font Viewer | Microsoft Corporation |
| .AFM | Adobe Systems Incorporated | Pliki z czcionkami | Adobe Font Metrics File | Adobe Creative Cloud | Adobe Systems Incorporated |
| .AUF | Planit Solutions, Inc. | Pliki z czcionkami | Alphacam User Font | Planit Alphacam | Planit Solutions, Inc. |
| .BCO | Bitstream Inc. | Pliki z czcionkami | Bitstream Outline Font Description File | Bitstream Fontware | Bitstream Inc. |
| .BDF | Willowsoft Creek Software | Pliki z czcionkami | Backup Definition File | Backup Made Simple | Willowsoft Creek Software |
| .BEZ | Bitstream Inc. | Pliki z czcionkami | Bitstream Outline Font Description File | Bitstream Fontware | Bitstream Inc. |
| .BFN | Brother International Corporation | Pliki z czcionkami | Brother Embroidery Software Font | Unknown Software | Unknown Developer |
| .BMAP | Apple | Pliki z czcionkami | Apple Macintosh Screen Font | Apple OS X | Apple |
| .BROTHER BES-100E EMBROIDERY SOFTWARE | Brother International Corporation | Pliki z czcionkami | Brother BES-100E Embroidery Software | Brother BES-100E Embroidery Software | Brother Industries, Ltd |
| .CEF | Richard Stott | Pliki z czcionkami | Class Action Gradebook Elementary File | Class Action Gradebook "Elementary Edition" | Richard Stott |
| .CFN | invers Software | Pliki z czcionkami | Calamus Font Data File | Calamus SL | invers Software |
| .CHA | Snak Software | Pliki z czcionkami | IRC Chat Configuration File | Visual IRC | Adrian Cable and Jesse McGrew |
| .CHM | Microsoft Corporation | Pliki z czcionkami | Compiled HTML Help File | Mozilla Firefox | Mozilla |
| .CHR | Crytek | Pliki z czcionkami | CryENGINE Character File | CRYENGINE | Crytek |
| .COLLECTION | Adobe Systems Incorporated | Pliki z czcionkami | Adobe Bridge Collection File | Adobe Bridge CC | Adobe Systems Incorporated |
| .COMPOSITEFONT | Microsoft Corporation | Pliki z czcionkami | Windows Composite Font File | Microsoft XML Notepad | Microsoft Corporation |
| .DFI | Unknown Developer | Pliki z czcionkami | Digifont Outline Font Description File | Unknown Software | Unknown Developer |
| .DFONT | Open Source | Pliki z czcionkami | Mac OS X Data Fork Font | Font Book | Apple |
| .DUS | IRIS | Pliki z czcionkami | Readiris Font Dictionary | Readiris | IRIS |
| .EFT | Cay Horstmann | Pliki z czcionkami | ChiWriter High Resolution Screen Font | ChiWriter | Cay Horstmann |
| .EOT | Microsoft Corporation | Pliki z czcionkami | Embedded OpenType Font | Web Embedding Fonts Tool (WEFT) | Microsoft Corporation |
| .ETX | Open Source | Pliki z czcionkami | TeX Font Encoding File | MiKTeX | Christian Schenk |
| .EUF | Microsoft Corporation | Pliki z czcionkami | Private Character Editor Font File | Microsoft Private Character Editor | Microsoft Corporation |
| .F06 | Microsoft Corporation | Pliki z czcionkami | MS-DOS Screen Text 6 Pixels Height Font | MS-DOS | Microsoft Corporation |
| .F07 | Unknown Developer | Pliki z czcionkami | DOS 7-pixel Screen Font | Unknown Software | Unknown Developer |
| .F11 | Microsoft Corporation | Pliki z czcionkami | DOS Screen Text 11 Pixels Height Font File | MS-DOS | Microsoft Corporation |
| .F12 | Microsoft Corporation | Pliki z czcionkami | DOS Screen Text 12 Pixel Height Font File | MS-DOS | Microsoft Corporation |
| .F13 | Microsoft Corporation | Pliki z czcionkami | MS-DOS Screen Text 13 Pixels Height Font | MS-DOS | Microsoft Corporation |
| .F3F | Viva Media, LLC | Pliki z czcionkami | Crazy Machines Font File | Crazy Machines | FAKT Software |
| .F6 | Various Developers | Pliki z czcionkami | Fonts File | macOS | Apple |
| .F7 | Various Developers | Pliki z czcionkami | Fonts File | macOS | Apple |
| .F8 | Various Developers | Pliki z czcionkami | Fonts File | macOS | Apple |
| .FFIL | Apple | Pliki z czcionkami | Mac Font Suitcase | Font Book | Apple |
| .FN3 | Software Publishing Corporation (SPC) | Pliki z czcionkami | Harvard Graphics 3.0 Font File | Harvard Graphics Presentation Software | Software Publishing Corporation (SPC) |
| .FNT | Open Source | Pliki z czcionkami | Windows Font File | Microsoft Windows | Microsoft Corporation |
| .FO1 | Borland | Pliki z czcionkami | Borland Turbo C Font File | Turbo C | Borland |
| .FO2 | Borland | Pliki z czcionkami | Borland Turbo C Font Data | Turbo C | Borland |
| .FOG | FontLab | Pliki z czcionkami | Fontographer Font Database File | Fontographer | FontLab |
| .FON | Microsoft Corporation | Pliki z czcionkami | Generic Font File | Microsoft Windows Font Viewer | Microsoft Corporation |
| .FONT | LucasArts Entertainment Company, LLC | Pliki z czcionkami | Font Data | Apple OS X | Apple |
| .FONTS | Unknown Developer | Pliki z czcionkami | Font File | Unknown Software | Unknown Developer |
| .FOT | Microsoft Corporation | Pliki z czcionkami | Font Resource File | Microsoft Windows | Microsoft Corporation |
| .FRF | Fast Report | Pliki z czcionkami | FreeReport Form File | FreeReport | Fast Report |
| .FRS | Corel | Pliki z czcionkami | Corel WordPerfect Screen Font Resource File | Corel WordPerfect | Corel |
| .FXR | Oracle Corporation | Pliki z czcionkami | Oracle Font Cross-Reference Data | Oracle Documaker | Oracle Corporation |
| .FY | Unknown Developer | Pliki z czcionkami | Fontasy Publisher Font | Fontasy Publisher | Unknown Developer |
| .GDR | Nokia | Pliki z czcionkami | Symbian OS Font File | Symbian OS | Nokia |
| .GF | Jonathan Kew and Stefan Löffler | Pliki z czcionkami | METAFONT Bitmap File | MiKTeX | Christian Schenk |
| .GFT | NeoSoft | Pliki z czcionkami | NeoPaint Font | NeoPaint | NeoSoft |
| .GLF | Vladimir Romanyuk | Pliki z czcionkami | Space Engine Shader File | Space Engine | Vladimir Romanyuk |
| .GXF | Grass Valley | Pliki z czcionkami | General eXchange Format File | Zoom Player | Inmatrix Media Solutions |
| .HFI | Hewlett-Packard | Pliki z czcionkami | HP Font | Unknown Software | Unknown Developer |
| .MCF | Jehovah’s Witnesses | Pliki z czcionkami | Watchtower Library Font File | Watchtower Library | Jehovah’s Witnesses |
| .MF | Walt Disney Imagineering | Pliki z czcionkami | Gameplay Multifile | Panda3D | Walt Disney Imagineering |
| .MFD | Yamaha Corporation | Pliki z czcionkami | Music Finder Database | MusicFinderView | PSR Tutorial |
| .MGF | Lawrence Livermore National Laboratory | Pliki z czcionkami | Materials And Geometry Format | mgflib2 | Radiance Community |
| .MRF | Apple | Pliki z czcionkami | Macintosh Font File | Apple OS X | Apple |
| .MXF | SMPTE | Pliki z czcionkami | Material Exchange Format File | Adobe Premiere Pro CC | Adobe Systems Incorporated |
| .NOR | Sublime HQ Pty Ltd | Pliki z czcionkami | Norwegian Localization Data | Sublime Text | Sublime HQ Pty Ltd |
| .NTF | Open Source | Pliki z czcionkami | Windows Font File | Microsoft Windows | Microsoft Corporation |
| .OFM | Nuance | Pliki z czcionkami | OmniForm Form | OmniForm | Nuance |
| .OTF | Open Source | Pliki z czcionkami | OpenType Font | FontForge | Open Source |
| .PCF | Blackstrip Studios | Pliki z czcionkami | PaintCAD Font | PaintCAD | Blackstrip Studios |
| .PFA | Open Source | Pliki z czcionkami | Printer Font ASCII File | FontForge | Open Source |
| .PFB | Adobe Systems Incorporated | Pliki z czcionkami | Printer Font Binary File | Autodesk AutoCAD Ecscad | Autodesk, Inc. |
| .PFM | Adobe Systems Incorporated | Pliki z czcionkami | Printer Font Metrics File | Microsoft Windows Font Viewer | Microsoft Corporation |
| .PFT | Corel | Pliki z czcionkami | Corel WordPerfect Temporary Data | Corel WordPerfect | Corel |
| .PHF | FontLab | Pliki z czcionkami | Photofont File | Photofont Start | FontLab |
| .PIL | M Dialysis AB | Pliki z czcionkami | CMA Microdialysis Trend Data | LABpilot | M Dialysis AB |
| .PK | Adobe Systems Incorporated | Pliki z czcionkami | Audition Peak File | Adobe Audition | Adobe Systems Incorporated |
| .PMT | Adobe Systems Incorporated | Pliki z czcionkami | PageMaker Template File | Adobe InDesign | Adobe Systems Incorporated |
| .PRS | Software Publishing Corporation (SPC) | Pliki z czcionkami | Harvard Graphics Presentation | Corel Presentations X8 | Corel |
| .PTX | Adobe Systems Incorporated | Pliki z czcionkami | PageMaker Template File | Adobe InDesign | Adobe Systems Incorporated |
| .R8P | Unknown Developer | Pliki z czcionkami | Font File | Unknown Software | Unknown Developer |
| .ROY | Apple | Pliki z czcionkami | TrueType File | TrueType | Apple |
| .SCR | Microsoft Corporation | Pliki z czcionkami | Windows Screensaver File | Microsoft Windows | Microsoft Corporation |
| .SFD | Open Source | Pliki z czcionkami | Sofdec Dreamcast Movie | Media Player Classic | Open Source |
| .SFF | Elecbyte | Pliki z czcionkami | M.U.G.E.N. Sprite File | Elecbyte M.U.G.E.N | Elecbyte |
| .SFI | SafeSuite | Pliki z czcionkami | SafeFolder Encrypted File | SafeFolder | SafeSuite |
| .SFN | NCD Holding | Pliki z czcionkami | EasySIGN Font File | EasySIGN Starter | NCD Holding |
| .SFP | Troy | Pliki z czcionkami | Soft Font Printer File | TROY Printer Utility | Troy |
| .SFT | Microsoft Corporation | Pliki z czcionkami | Microsoft App-V Sequencer File | Application Virtualization Sequencer | Microsoft Corporation |
| .SNF | The Open Group | Pliki z czcionkami | UNIX Font | Unix | AT&T Labs |
| .SUI | Sean Maxwell | Pliki z czcionkami | StarSplatter User Interface File | StarSplatter User Interface | Sean Maxwell |
| .SUIT | Apple | Pliki z czcionkami | Macintosh Font Suitcase | Apple OS X | Apple |
| .SXS | SAS Institute Inc. | Pliki z czcionkami | SAS Stat Studio Module Source Code File | SAS | SAS Institute Inc. |
| .T2 | RM Education | Pliki z czcionkami | Textease 2000 File | Textease 2000 | RM Education |
| .TB2 | Borland | Pliki z czcionkami | Borland Turbo C Font File | Turbo C | Borland |
| .TFM | Jonathan Kew and Stefan Löffler | Pliki z czcionkami | TeX Font Metric File | MiKTeX | Christian Schenk |
| .TMF | Corel | Pliki z czcionkami | Corel WordPerfect Tagged Font Metric File | Corel WordPerfect X8 | Corel |
| .TTC | Various Developers | Pliki z czcionkami | TrueType Font Collection | Microsoft Windows Font Viewer | Microsoft Corporation |
| .TTE | Microsoft Corporation | Pliki z czcionkami | Private Character Editor File | Microsoft Private Character Editor | Microsoft Corporation |
| .TTF | Apple | Pliki z czcionkami | TrueType Font | CorelDRAW Graphics Suite | Corel |
| .USL | Hewlett-Packard | Pliki z czcionkami | LaserJet Landscape Font File | Classical Text Editor | Stefan Hagel |
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