Just Me In Teams chat appearing whenever a user gets external calls. - Microsoft Q&A

Internal user account flagged as External - Microsoft Community Hub

How to Remove External user In MS Teams individual chat - Microsoft Community

Microsoft Teams Calling FAQs - UCF IT

Top 5 things to know about private channels in Microsoft Teams – ROBERT SCHOUTEN

How can I configure MS Teams to notify me whenever someone posts in the team channel? : r/MicrosoftTeams

What's new in Microsoft Teams - Microsoft Support

How to Pin a Message in Teams Chats and Channel Conversations

Teams to Teams (external) chat - has anybody got this working - Microsoft Community Hub

Collaborative meeting notes in Teams meetings

Users are not able to chat with external users, and policies cannot be - Microsoft Community

Record a meeting in Microsoft Teams - Microsoft Support

Add or invite people outside your org to a chat in Microsoft Teams - Microsoft Support