When you run Doc-To-Help from the Start menu, or by double-clicking its icon in Windows Desktop, you are presented with the Doc-To-Help Start Page.
From here you can choose one of the following options to begin working with Doc-To-Help:
• Convert Doc-To-Help 2000 Project
• Convert RoboHelp(R) HTML Project
• Convert a RoboHelp(R) Word Project
• Open Doc-To-Help Documenter for .NET
More:
Converting Doc-To-Help 2000 Projects