---
type: lookup
id: 7z-37-7a-bc-af-27-1c
asset: file-format-signatures
title: "37 7a BC AF 27 1C — File format magic numbers"
sources:
  - https://en.wikipedia.org/wiki/List_of_file_signatures
source_quote: "7z¼¯'␜ | 0 | 7z | 7-Zip File Format |"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "37 7a BC AF 27 1C"
offset: "0"
extension: "7z"
format: "7-Zip File Format"
unverified_fields: hex_signature
---
**Hex signature:** 37 7a BC AF 27 1C

**Offset:** 0

**Extension:** 7z

**Format:** 7-Zip File Format

> 7z¼¯'␜ | 0 | 7z | 7-Zip File Format |

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