# 00 01 00 00 — File format magic numbers

For 00 01 00 00, offset is 0; extension is ico; format is Computer icon encoded in ICO file format, recorded from its source on 2026-08-03.

- **Hex signature:** 00 01 00 00 _(unconfirmed — we could not tie this to the quote below)_
- **Offset:** 0 _(unconfirmed — we could not tie this to the quote below)_
- **Extension:** ico
- **Format:** Computer icon encoded in ICO file format _(unconfirmed — we could not tie this to the quote below)_

## What the source says

> Computer icon encoded in <https://en.wikipedia.org/wiki/ICO_(file_format)> ICO file format [ 8 ]

## 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/).