In the Teams Admin center, in messaging policies, we have the 'Block Chat' option which has been confirmed by Microsoft that serves only to block the existence of 1 to 1 Chats in Teams. Documenta...
Hi Mateus,
I have exactly the same conclusions discussed in this topic:
https://answers.microsoft.com/pl-pl/msteams/forum/all/blocking-chat-for-users-in-channels-teams-how-to/d54a4b6d-12b9-4ccd-82c3-e104bc0f801a
Thank you,
Remon