# 1F A0 — File format magic numbers

For 1F A0, offset is 0; extension is z tar.z; format is compressed file (often tar zip) using LZH algorithm, recorded from its source on 2026-08-03.

- **Hex signature:** 1F A0 _(unconfirmed — we could not tie this to the quote below)_
- **Offset:** 0 _(unconfirmed — we could not tie this to the quote below)_
- **Extension:** z tar.z _(unconfirmed — we could not tie this to the quote below)_
- **Format:** compressed file (often tar zip) using LZH algorithm _(unconfirmed — we could not tie this to the quote below)_

## What the source says

> Compressed file (often tar zip) using <https://en.wikipedia.org/wiki/LHA_(file_format)> LZH algorithm

## 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/).