Answer concerning .CHM (Compiled HTML Help) :
See Microsofts online documentation at:
http://msdn.microsoft.com/library/default.asp?URL=/library/devprods/vs6/visualc/vccore/_core_help.3a_.support_tools.htm (http://www.msdn.microsoft.com/library/default.asp?URL=/library/tools/htmlhelp/chm/hh1start.htm>http://www.msdn.microsoft.com/library/default.asp?URL=/library/tools/htmlhelp/chm/hh1start.htm</a>
and)
and
http://support.microsoft.com/support/kb/articles/Q88/1/91.ASP (http://msdn.microsoft.com/library/toc.asp?PP=/library/toc/vccore/vccore0-4-4-10.xml&tocPath=vccore0-4-4-10>http://msdn.microsoft.com/library/toc.asp?PP=/library/toc/vccore/vccore0-4-4-10.xml&tocPath=vccore0-4-4-10</a>
Check)
http://support.microsoft.com/support/kb/articles/Q139/1/43.asp (http://support.microsoft.com/support/kb/articles/Q85/6/77.ASP>http://support.microsoft.com/support/kb/articles/Q85/6/77.ASP</a>
a)
a reference for MS Office developers at:
<a target="_blank" href=http://msdn.microsoft.com/library/officedev/office97/SFABB.htm>http://msdn.microsoft.com/library/officedev/office97/SFABB.htm</a>
J hope you can find your starting point with this info.
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Regards - Richard