| nftr | Nintendo DS Font Type |
| nlq | Atari 8-bit Daisy-Dot Font |
| odttf | Obfuscated OpenType Font |
| otf | OpenType Font |
| pfa | Postscript Type1 ASCII Font |
| pfb | Postscript Type1 Font Binary |
| pfm | Postscript Type1 Printer Font Metrics |
| pfr | Portable Font Resource |
| pft | ChiWriter 9P Matrix Printer Font |
| phf | QNX Photon Font |
| pil | Python Image Library Font |
| qbf | QuickBasic Font Data |
| qfn | QuickTime Player Font Data |
| sfd | Spline Font Database |
| sfn | EasySIGN Font File |
| sfnt | QuickDraw GX Spline Font |
| spritefont | XNA Game Studio Sprite Font File |
| sst | SST-Tools VoZaken Font |
| suit | Mac OS 9 Font Suitcase File |
| sxs | Atari 8-bit 16x16 Font |
| t1c | Postscript Type1 Compressible Font |
| t42 | PostScript Type 42 Font |
| tfm | TeX Font Metric |
| ttc | TrueType Font Collection |
| tte | Private Character Editor Font |
| ttf | TrueType Font |
| type | Commodore Amiga Font |
| uff | Unidrv Font Format Data |
| ufm | Unidrv Font Metrics |
| usp | HP LaserJet Printer Font |
| vf | TeX Virtual Font File |
| vf1 | BP-743 Variable Pitch Font |
| vfb | Fontlab Studio Font |
| vfont | Valve Source Font Data |
| vlw | Processing Font |