Start a 1:1 or group chat in the Microsoft Teams mobile app to talk privately or collaborate with a smaller group.
Start a chat
1. Tap Chat -- New chat
2. Add a contact(s) to talk to
3. Type a message and tap Send
Add a group chat name
1. Tap the top of the chat
2. Tap Group chat name
3. Type in a name and tap Save
4. A group chat name makes it easier to find later
https://support.microsoft.com/en-us/o...