3F 5F

For 3F 5F, offset is 0; extension is hlp; format is Windows 3.x/95/98 Help file, recorded from its source on 2026-08-03.

Hex signature: 3F 5F unconfirmed
Offset: 0 unconfirmed
Extension: hlp unconfirmed
Format: Windows 3.x/95/98 Help file

Sourceen.wikipedia.org

Verified2026-08-03

Review by2027-08-03

DatasetFile format magic numbers

Values marked unconfirmed are shown, but we could not tie them to the quote below: Extension, Hex signature, Offset. Read the quote and judge them yourself.

What the source says

Windows 3.x/95/98 Help file

— 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. Scheduled for re-check by: 2027-08-03. This page as Markdown · OKF concept · full dataset as JSON.