1. Go to Message Center
  2. On the left, click "Email Lists"
  3. On the top right, click "New List" - the name is not important at this point. 
  4. View the list

5. Click "Add Emails From Email List"

6. Select the list you'd like to port, and "Copy" the title of that list.

7. Click "Import Emails" in the bottom right corner
8. Paste the list name into the "List Name" field and click "Save Basic Details"

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