Preferred Executable Format — file signature 4A 6F 79 21 at offset 0

For Preferred Executable Format, hex signature is 4A 6F 79 21; offset is 0, recorded from its source on 2026-08-03.

What the source says

<https://en.wikipedia.org/wiki/Preferred_Executable_Format> Preferred Executable 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.