.otf

OpenType font, the scalable font format jointly developed by Microsoft and Adobe from TrueType

Dedicated renderer

Format facts

MIME type: font/otf
Apple UTI: public.opentype-font
Stock Quick Look: no stock preview
Planned approach (census): special-renderer
Icon hint: renders
Prevalence: universal

Renderer note (from the census)

macOS renders OTF natively

Gotchas: already covered