http://blogs.technet.com/kclemson/archive/2005/10/06/412139.aspxI was pointed at this by the MSHelp MVP Lead, it's a sweet little freeware app, works great. Within about 90 seconds of starting it, I had compiled my first CHM: http://www.vizacc.com/ And they also have a blog , pretty nifty.en-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.technet.com/kclemson/archive/2005/10/06/412139.aspx#412144Fri, 07 Oct 2005 08:57:47 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:412144PeterWe use the Microsoft HTMLHelp Compiler and hand-crafted HTML. Although the compiler has the buggiest GUI I have ever seen in release software, actually it is not hard to author HTMLHelp files using this, hm, gem :)