>This AM I was greeted by the 'Over 400' message. OK, I was out yesterday. So I expanded VFP and there were several category headings, each one showing that it contained multiple messages. But expanding each of these categories revealed only one message.

This has been fixed.

>Also, when I prepared this post, I noticed that the options were only "Send" and "Preview". What happened to the "Cancel" choice ?

When you create a new thread, there is no need to have a Cancel button.