# 62 6F 6F 6B — File format magic numbers

For 62 6F 6F 6B, offset is 0; format is macOS bookmark format, recorded from its source on 2026-08-03.

- **Hex signature:** 62 6F 6F 6B _(unconfirmed — we could not tie this to the quote below)_
- **Offset:** 0 _(unconfirmed — we could not tie this to the quote below)_
- **Format:** macOS bookmark format _(unconfirmed — we could not tie this to the quote below)_

## What the source says

> macOS <https://mac-alias.readthedocs.io/en/latest/bookmark_fmt.html> bookmark format

## Source

- https://en.wikipedia.org/wiki/List_of_file_signatures

Last verified: 2026-08-03. Review by: 2027-08-03.
Part of [File format magic numbers](https://referencesource.org/file-format-signatures/).