| 1 | ABF | Microsoft | Analysis Services Backup Format |
| 2 | ACFM | Adobe Systems | Adobe Composite Font Metrics Format |
| 3 | AFM | Adobe Systems | Adobe Font Metrics Format |
| 4 | AMFM | Adobe Systems | Adobe Multiple Font Metrics Format |
| 5 | BEPF | N/A | Adobe Big Endian Prebuilt Format |
|
| 6 | CHR | Autodesk | 3ds Max Characters Format |
| 7 | CHX | Autodesk | AutoCAD Standards Check Format |
| 8 | COLLECTION | Adobe Systems | Adobe Bridge Collection Format |
| 9 | DFONT | N/A | Mac OS X Data Fork Font |
| 10 | EOT | Microsoft | Embedded OpenType Font Format |
| 11 | EUF | Microsoft | Private Character Editor Format |
| 12 | FFIL | Apple | Mac Font Suitcase |
| 13 | FNT | Microsoft | Windows Font Format |
| 14 | FOG | N/A | Generic |
| 15 | FON | Microsoft | Microsoft Windows Bitmap Font Format |
| 16 | FONT | N/A | Font Data |
| 17 | FOT | N/A | Font Resource Format |
| 18 | FRS | Corel | Corel WordPerfect Screen Font Resource Format |
| 19 | FTM | N/A | Micrografx Font Format |
| 20 | FXR | N/A | Oracle Font Cross-reference |
| 21 | LEPF | N/A | Adobe Little Endian Prebuilt Format |
| 22 | ODTTF | Microsoft Corporation | Microsoft Office Document Embedded Font |
| 23 | OTF | Microsoft and Adobe Systems | OpenType Font |
| 24 | PFA | Adobe Systems | Printer Font ASCII Format |
| 25 | PFB | Adobe Systems | Printer Font Binary Format |
| 26 | PFM | Adobe Systems | Printer Font Metrics Format |
| 27 | PK | Adobe Systems | Audition Peak Format |
| 28 | SUIT | N/A | Macintosh Font Suitcase |
| 29 | T2 | Lightroom Education | TrueType Font Format |
| 30 | TMF | Corel Corporation | Corel WordPerfect Tagged Font Metric |
| 31 | TTC | N/A | TrueType Font Collection |
| 32 | TTE | Microsoft | Private Character Editor Format |
| 33 | TTF | Apple | TrueType Font |
| 34 | VFB | FontLab | FontLab Studio Font Format |
| 35 | WOFF | WebFonts Working Group | Web Open Font Format |
| 36 | WOFF2 | WebFonts Working Group | Web Open Font Format 2.0 File |
| 37 | _V | Adobe Systems Incorporated | Adobe Type Manager Japanese Font Metrics |
