This is what I've seen a few times after doing the MS software update:
Office 365Service has encountered an error and needs to close
The generic app icon (meaning it's not installed or activated) is in my Office folder. I'm loath to trash it not knowing what the consequences might be. I looked through every Library folder that might contain a file that I could delete. Nada. Nothing in Log In Items, either. I found one tip that suggested disabling it in Activity Monitor, but it doesn't show up in that pane.

That said, there was another update last night (14.3.1), which I installed and so far, I haven't seen that error message today.

MS is like the Repugnican party. They'll try anything to stay relevant. wink