The following goes over saving messaging groups to contacts. This will create a new group within your contacts to quickly message others in this group.
- PC or Mac version 3.5.37712.0111 or higher
- Select the group to add the members as a contact group
- Select "More" and then "Add to Contacts List"
- After adding, you will see a new contact group with all members of the messaging group.
- To remove the group open the group chat, select more, and then "Remove from Contacts"