Add someone to a group

On desktop:

You can add a contact to an existing group conversation at any time.

In the conversation list:

1. Click the group conversation
   
   
   
   
2. Click the group name at the top of the screen
   
   
   
   
3. Click Add Participants
   
   
   
   
4. Select the contacts you'd like to add.
   
   
   
   
5. Click ADD.