1. Start the meeting.
2. In the meeting controls, select Breakout rooms icon .
3. Select the number of rooms you want (50 max), and whether you want Teams to assign people to rooms (Automatically) or you want to choose the people for each room yourself (Manually).
Note: This is the only time you can choose to have people automatically assigned to breakout rooms. You won't be able to change this option later in the meeting.
4. Select Create Rooms.