As a free option you can use HTML Help WorkShop, it's included in VFP7 and VFP8, it's easy to use & understand. Take care about this too:

PRB: HTML Help Does Not Work from VFP Application
http://support.microsoft.com/?scid=314296

In other hand, there are a lot of tools that improve the HHW, this include West-Wind.com and RoboHelp.com
HTH

>Sorry... YES, the .CHM format.

>Thanks for asking

>Jim

>Does the "modern" format refer to the CHM file, or some special effects within that format - or to some other help format?
>
>>I've gotta make a Help file... well, update a Help file.
>>
>>It's in a style made by hcw.exe and I find the more recent Help style much easier to use (especially when implemented along the lines as done for Hacker's Guide).
>>
>>My questions are these:
>>
>>What tool (I do have MSDN Universal) is used to create the modern styled Help?
>>
>>Does it nicely convert the HCW.EXE style to its own format (or, alternately, does copy/paste work adequately)?
>>
>>Any help appreciated
>>cheers