# 24 53 44 49 30 30 30 31 — File format magic numbers

For 24 53 44 49 30 30 30 31, offset is 0; extension is iso; format is ISO9660 CD/DVD image file, recorded from its source on 2026-08-03.

- **Hex signature:** 24 53 44 49 30 30 30 31 _(unconfirmed — we could not tie this to the quote below)_
- **Offset:** 0 _(unconfirmed — we could not tie this to the quote below)_
- **Extension:** iso _(unconfirmed — we could not tie this to the quote below)_
- **Format:** ISO9660 CD/DVD image file

## What the source says

> ISO9660 CD/DVD image file [ 40 ]

## 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/).