Microsoft doesn't compete with Google.
Most of these have a direct relationship to Chrome vs. Edge - for example the Google workspace suite (docs, sheets etc) comes pre-bundled with Chrome whereas Office Online needs to be downloaded like any other website by the user.
This is not true
Microsoft 365 (Office, Exchange) vs. Google Workspace (Gmail, Office Apps)
Windows/Surface vs. ChromeOS/Chromebooks
Bing vs Google Search
...?