HLP (WinHelp)
Readableother
This is an outline record only, and requires further details, research or authentication to provide information that will enable users to further understand the format and to assess digital preservation risks associated with it if appropriate. If you are able to help by supplying any additional information concerning this entry, please return to the main PRONOM page and select ‘Add an Entry’.
Identify it
| Extensions | .hlp |
|---|---|
| MIME types | application/winhlp |
| Signatures | 3f5f0300 at byte 0 (File Formats Wiki)0000ffffffff at byte 6 |
| PRONOM | fmt/474 |
| Wikidata | Q1144005 |
Not sure your file is this? Identify it from its first bytes, in your browser.
Open it
- QWinHelpOpen source
- WinhelpCGIOpen source
Convert it
No conversion recorded. One of the tools above may export it; search for a chain.
0Sources
From Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-24.