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Keynote presentation

Handled by macOS itself

Format facts

MIME type: application/x-iwork-keynote-sffkey
Apple UTI: com.apple.iwork.keynote.sffkey
Stock Quick Look: a ZIP-based container
Planned approach (census): native-sufficient
Icon hint: renders
Prevalence: common

Renderer note (from the census)

macOS previews Keynote

Gotchas: Apple-only