Navigate to "Messages"
Click on the lists heading.
3. Click create list and a Box will appear. Name your list and give it a description, and then click okay.
4. Another box will appear, prompting you to add contacts to your list. Select the contacts that you would like to add and then click "add to list."
5. You will be able to see the number of messages sent to your lists. If you click "options" you will be offered several editing options.