# 37 7a BC AF 27 1C — File format magic numbers

For 37 7a BC AF 27 1C, offset is 0; extension is 7z; format is 7-Zip File Format, recorded from its source on 2026-08-03.

- **Hex signature:** 37 7a BC AF 27 1C _(unconfirmed — we could not tie this to the quote below)_
- **Offset:** 0
- **Extension:** 7z
- **Format:** 7-Zip File Format

## What the source says

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

## 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/).