.file

file URI scheme, the RFC 8089 addressing scheme referencing local filesystem paths in browsers

Not a file (scheme/atom)

Format facts

MIME type: application/x-file
Apple UTI: custom
Stock Quick Look: shown as plain text
Planned approach (census): not-a-file
Icon hint: generic-icon
Prevalence: rare

Renderer note (from the census)

pure Go trivial

Gotchas: local file access