# 5A 4F 4F — File format magic numbers

For 5A 4F 4F, offset is 0; extension is zoo; format is Zoo (file format), recorded from its source on 2026-08-03.

- **Hex signature:** 5A 4F 4F _(unconfirmed — we could not tie this to the quote below)_
- **Offset:** 0 _(unconfirmed — we could not tie this to the quote below)_
- **Extension:** zoo
- **Format:** Zoo (file format)

## What the source says

> zoo | <https://en.wikipedia.org/wiki/Zoo_(file_format)> Zoo (file 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/).