MS Windows HtmlHelp Data — file signature 49 54 53 46 03 00 00 00 60 00 00 00 at offset 0

For MS Windows HtmlHelp Data, hex signature is 49 54 53 46 03 00 00 00 60 00 00 00; offset is 0; extension is chm, recorded from its source on 2026-08-03.

Hex signature: 49 54 53 46 03 00 00 00 60 00 00 00
Offset: 0
Extension: chm
Format: MS Windows HtmlHelp Data verified

Sourceen.wikipedia.org

Verified2026-08-03

Review by2027-08-03

DatasetFile format magic numbers

What the source says

MS Windows HtmlHelp Data

— 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.