Method 1 - New chat

1. Select New Chat icon located to the left of the search bar
   
   
   
2. Select the drop down arrow
   
   
3. Enter a name for the group chat
   
4. Enter the name of the person you are adding to the chat then press enter key, repeat for all the members you are adding.
   
5. Once you have added all the team members, you can start your chat by typing a message in the message bar at the bottom. 
   
   

Method 2 - Existing Chat

1. Open an existing private chat from your Recent column (Found within Chat view)
   
2. Select Add People icon in the top right
   
   
3. Enter name of the person you are adding to the chat and press enter key then select Add
   
   Note: A new group chat will be created 
   
4. You can start your chat by typing a message in the message bar at the bottom.