The most popular program for handling DFONT files is DfontSplitter. DFONT files contain bitmap and scalable font data in a proprietary Apple format for the macOS operating system. Files with the DFONT extension can be opened on operating systems like Windows and Linux using external tools. To open and install a DFONT file, use Apple Font Book on macOS. You can also use FontForge to open and convert DFONT files to other font formats.
DFONT is a Mac-specific file format. So DFONT files cannot install on Windows or Linux. To solve issues with DFONT files, associate the DFONT extension with the right application. Or update your software that should open font data forks. Because only the current software version supports the latest DFONT format.
You can also search the Apple website for available Font Book updates. DFONT files store font suitcases in the data fork, an innovation in macOS. While mainly used on macOS, DFONT files can open on other operating systems with help. The DFONT extension indicates Mac OS X Data Fork Font file content.
Font Book