Guru Zim sounds right on the money, I think. Check where your incoming mail is being sent from, that'll probably solve your mystery. Wouldn't hurt to have someone in your time zone fire you off a test email to check, either, if that's not inconvenient. Okies, I'll hush now. Hopefully it's nothing serious at all!
"Look. Keep your grandparents offline. I can't stand the thought of my own sweet nan coming into a chatroom to be textually spanked by someone like me."
I've only touched Word and Excel, but, yeah, the new menu bar is freaky. I've been able to find most things, but I've found myself right-clicking more often and using the contextual menu instead of hunting around up top.