>>>When I get a reply to my messages, how do I send back a reply. I don't see a reply button on the screen.
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>>The lower right frame has a scroll bar on it; if don't see the Reply beneath the message, you scroll it down. It's there immediately beneath the message.
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>I found out what was confusing: the reply command opens the message in a panel which I presume is for typing a reply. The original contents appears first. This is the exact opposite of what I was used to on Compuserve.

No problem; the UT isn't part of CompuServe, so the interface is different.