1. Select ‘Send Messages’ from the left-hand side of the MXT menu, then click on ‘Contact Lists’.
2. Locate the group that you would like to delete contacts from, and click on the 'Contact List Name' or the 'arrow' to expand the group to view the list of contacts.
Then select the contacts that you would like to delete using the checkboxes.
3. Finally, click the 'red trashcan' icon to delete the selected contacts from the group.