---
type: lookup
id: bz2-42-5a-68
asset: file-format-signatures
title: "42 5A 68 — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "Compressed file using <https://en.wikipedia.org/wiki/Bzip2> Bzip2 algorithm"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "42 5A 68"
offset: "0"
extension: "bz2"
format: "Compressed file using Bzip2 algorithm"
unverified_fields: extension, format, hex_signature, offset
---
**Hex signature:** 42 5A 68

**Offset:** 0

**Extension:** bz2

**Format:** Compressed file using Bzip2 algorithm

> Compressed file using <https://en.wikipedia.org/wiki/Bzip2> Bzip2 algorithm

Source: <https://en.wikipedia.org/wiki/List_of_file_signatures>