Importing From Other Lists
To import names into a list, from a previous list, Control-click (right-click) on the destination list. Then, from the drop-down, click on “Import Names From Other List”.
Then, if the list name in the “Import From List” dropdown is not the list that the names are to be imported from, click the dropdown arrow to the right, and select the correct list.
Finally, click the Import List button to perform the Import operation.