I'm using Outlook 2011 for Mac, v14.4.8. One of my primary email accounts is a Gmail account. Periodically, (it happened today), I will see an email message in my Gmail account online (viewed through a browser), but it won't ever show up in my Outlook inbox. This makes no sense to me as I thought with IMAP, the two inboxes would be synchronized to always be identical.

To be more specific, I noticed the email message on my iPhone (in the Gmail inbox there). I wanted to type a longer response than was practical on my iPhone, so I went to Outook. But the message wasn't there. I went to Gmail through my browser and there sits the message in my inbox. I replied to it from my browser, and my reply shows up in sent mail in Outlook, but still not the original message.

Bizarre.

Any ideas?