# WinHelp

> proprietary format for online help files that can be displayed by the Microsoft Help browser

**Wikidata**: [Q1144005](https://www.wikidata.org/wiki/Q1144005)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/WinHelp)  
**Source**: https://4ort.xyz/entity/winhelp


## References

1. [Source](https://svn.apache.org/viewvc/httpd/httpd/tags/2.4.46/docs/conf/mime.types?revision=1880504&view=markup#l1219)
2. [Source](https://github.com/microsoft/referencesource/blob/4.6.2/System.Web/MimeMapping.cs#L192)
3. Gary Kessler's File Signature Table