font Format
DFONT File Format
Mac OS X Data Fork Font stores legacy Macintosh suitcase font resources directly in the data fork rather than the classic Mac OS resource fork. This enables Unix-compatible file sharing on modern macOS filesystems.
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Technical Specifications
| Extensions | .dfont |
| MIME Types | application/x-dfont |
| Category | Font |
| Engine Tier | tier1-small-js |
| Magic Bytes / Sniffing | Container sniffing (ZIP / OLE2 / RIFF header inspection) |
| Opens With | Apple Font Book, FontForge, Glyphs |
| Good For | Extracting vintage Mac OS X system fonts and converting them into web-ready formats. |
| Not Recommended For | Cross-platform typography on Windows, Linux, and modern web browsers without conversion. |