.avi

Audio Video Interleave, Microsoft's classic multimedia container format for interleaved video and audio streams

Dedicated renderer

Format facts

MIME type: video/vnd.avi
Apple UTI: com.microsoft.avi
Stock Quick Look: no stock preview
Planned approach (census): special-renderer
Icon hint: plays
Prevalence: universal

Renderer note (from the census)

macOS plays AVI natively

Gotchas: legacy Microsoft container