.kmz

Compressed KML

Dedicated renderer

Format facts

MIME type: application/vnd.google-earth.kmz
Apple UTI: com.google.earth.kmz
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 doc.kml and images

Gotchas: zipped KML