Applies to: Microsoft Teams.
Categorise your contacts into groups to reach them much quickly. The groups are accessible on any device, but you can solely handle them from the desktop or web app.
Create a group
Pick Chat 
, choose the Contacts tab, and at the bottom of the tab, select Create a new contact group. Give your group a title and select Create. You can regularly rename or delete your group later.
Add people to a contact group
Select Chat , choose Contacts, and then pick More options 
adjacent to the group’s name. Press Add a contact to this group, state the name of a team member, and then pick Add.
Rename a contact group
Choose Chat , press Contacts, and then select More options beside the group’s name. Press Rename this group. Enter a new name and pick Save.
Note: You can’t change the name of the Favourites group.
Delete a contact group
Select Chat , choose Contacts, and then pick More options adjacent to the group’s name. Pick Delete this group.
Remove someone from a contact group
Choose Chat , pick Contacts, select More options next to the person’s name, and then select Remove from this group.