.graffle

OmniGraffle diagram document, opened by the OmniGraffle macOS app

Dedicated renderer

Format facts

MIME type: application/x-omnigraffle
Apple UTI: custom
Stock Quick Look: a ZIP-based container
Planned approach (census): special-renderer
Icon hint: generic-icon
Prevalence: common

Renderer note (from the census)

parse ZIP for diagram XML

Gotchas: macOS diagramming