.alac

Apple Lossless

Handled by macOS itself

Format facts

MIME type: audio/mp4
Apple UTI: public.audio
Stock Quick Look: no stock preview
Planned approach (census): native-sufficient
Icon hint: plays
Prevalence: common

Renderer note (from the census)

macOS plays ALAC natively in m4a

Gotchas: usually inside m4a container