I found this article helpful:
https://blogs.technet.microsoft.com/exc ... ge-server/

That explains the change in appearance; I like that it pops up to clearly differentiate it from the text editor. The problem that I have when using this feature is that source code pasted here renders correctly in the preview but in raw when creating a new message.

The menu beneath the edit window has gone missing so that you can no longer supply html code for a signature. If this a new configuration setting, I am unable to find it. Anyone know what happened? IE10 and FF29.0.1 behave identically. IE gens this error which may suggest a solution: UI Layout Initi...

Logged into my new v8 and found this problem persists. To get to this post-login webmail page later, click Mailbox (or the icon beside it) at the top of the menu tree in the left pane. At the top of the right pane is today's date left justified and the current time right justified. The time is alway...