From an open Cmap :
Click File, then Export Cmap As, then Web Page...
You will now see the "Export Cmap as Web Page" window.
The file name will default to the name of your Cmap.
Choose the location on your computer to save the web page to.
Click Save when ready.
Your Cmap has now been saved as a web page on your computer
in the location you specified. There will be three files in the location.