If you have a few files, online conversion tools are the easiest option.
Click and download the compiled .ttf zip file to your computer. Step 3: Repacking and Organizing the Font Family
Before you can convert the font, you must open the disk image container. On Windows dmg font to ttf repack
Run sudo mount -o loop choice.dmg /mnt/dmg (replace "choice" with your actual file name).
Some commercial DMGs (especially legacy Adobe Font Folio) contain a "Suitcase" file with no extension. This is a classic Mac resource file. Here is the advanced repack method: If you have a few files, online conversion
Look for files ending in .otf , .dfont , or no extension at all (Mac resource forks). Step 2: Converting to TTF Format
This happens when the encoding gets lost during the repack. Using FontForge usually fixes this. On Windows Run sudo mount -o loop choice
A "repack" is necessary because Apple often packages its system fonts or design resources in formats that Windows cannot natively read. The process generally involves three distinct stages:
: To make these fonts usable everywhere, they are "repacked" into TrueType Font (.ttf) files. This format, co-developed by Apple and Microsoft in the 1980s, remains the most compatible font standard globally. How the Repack Happens OTF vs. TTF Fonts: What's the Difference? - CorelDRAW.com