https://www.theregister.com/2024/03/22/eu_antitrust_microsof...
They started an investigation on 365+Teams a year ago:
https://ec.europa.eu/commission/presscorner/detail/en/ip_23_...
And Microsoft complied by unbundling Teams in the EEA:
https://www.reuters.com/technology/microsoft-unbundle-teams-...
and late last year, the EU asked Teams rivals whether they still thought there was an issue:
https://www.reuters.com/world/europe/microsoft-rivals-asked-...
Microsoft's DMA changes include allowing Edge to be uninstalled, interoperability in Search and Widgets, asking users for consent before syncing content through the connected Microsoft account, and more strictly respecting browser defaults.
I'm guessing the EU is focused on consumer, not B2B focused companies
Citation needed as they say. Even if it's true that's it more than 0, my estimate would be far in excess of 90% (of governmental employees who do their work inside of the Microsoft ecosystem).
But your other point about not focusing on B2B is probably more true. However recent stuff like the cloud egress fees (EU Data ACT) shows that they do care about B2B sometimes at least.