In the background
Microsoft AutoUpdate…Microsoft AutoUpdate
● Safe to close
Keeps Microsoft apps up to date.
What it is
Installed with Teams and Office. It checks for updates now and then.
If you close it
Nothing visible. It checks again later.
The verdict
● Safe to close. An app you can quit with ⌘Q. Save your work first if it asks.
In Activity Monitor
Microsoft AutoUpdate…
… means any name that starts this way.
From Procession’s guide, in the words the app shows.