7-Zip File Format — file signature 37 7a BC AF 27 1C at offset 0

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

Hex signature: 37 7a BC AF 27 1C
Offset: 0 verified
Extension: 7z verified
Format: 7-Zip File Format verified

Sourceen.wikipedia.org

Verified2026-08-03

Review by2027-08-03

DatasetFile format magic numbers

What the source says

7z¼¯'␜ | 0 | 7z | 7-Zip File Format |

— en.wikipedia.org, retrieved 2026-08-03

Source

en.wikipedia.orghttps://en.wikipedia.org/wiki/List_of_file_signatures

Last verified against source: 2026-08-03. Due for re-check by 2027-08-03. This page as Markdown · OKF bundle · full dataset as JSON.