Personalise the conversation
Open the group and choose Customise group. The host can change the name and picture. Other members retain their own account identity and privacy settings.
Invite and leave
Choose Invite a friend and search accepted friends. Group additions take effect immediately. Choose Leave group to exit; a new invitation is required to return. If the host leaves, ownership passes to a remaining member.
Close a direct message
Right-click a direct-message conversation and choose Close direct message. This removes it from your own list. It does not delete the other person’s messages. A new message can bring the conversation back.