Bing, Outlook, Bing Maps, Microsoft Store, Azure, Windows, Edge, Office, OneDrive, XBOX division, and more.
If they can't compete with Google, then maybe they aren't offering as good a service for most of these, and it's not for lack of trying to manipulate the market into using their services.
I do agree with what you said though, both Alphabet and Microsoft should be broken up, and I don't mean just having multiple separate companies that operate closely together, but proper separation. This also goes for META and Amazon.