# 52 61 72 21 1A 07 00 — File format magic numbers

For 52 61 72 21 1A 07 00, offset is 0; extension is rar; format is Roshal ARchive compressed archive v1.50 onwards, recorded from its source on 2026-08-03.

- **Hex signature:** 52 61 72 21 1A 07 00 _(unconfirmed — we could not tie this to the quote below)_
- **Offset:** 0 _(unconfirmed — we could not tie this to the quote below)_
- **Extension:** rar
- **Format:** Roshal ARchive compressed archive v1.50 onwards

## What the source says

> <https://en.wikipedia.org/wiki/RAR_(file_format)> Roshal ARchive compressed archive v1.50 onwards [ 23 ]

## 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/).