.kext

macOS kernel extension bundle, legacy loadable code extending the XNU kernel, largely replaced by system extensions

Not yet supported

Format facts

MIME type

application/x-kext

Apple UTI

com.apple.kernel-extension

Stock Quick Look

partial stock preview

Planned approach (census)

metadata-only

Icon hint

generic-icon

Prevalence

common

Renderer note (from the census)

parse bundle Info.plist for bundle ID

Census note

Mac devs debug kexts; native macOS shows a generic folder icon instead of driver metadata.

Gotchas: macOS drivers

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