Follow these steps to view mail file messages using the Mail Files window:
Choose Mail Files from the File menu to display the Mail Files popup window.
Select the mail file that you want to view on the Mail Files popup window scrolling list.
If the desired mail file is in a subdirectory, double-click SELECT on the subdirectory to display its contents in the scrolling list.
Choose Mail File from the Load menu.
The mail file is loaded into the Mail Tool Header window.
Alternatively, you can just double-click SELECT on the mail file in the Mail Files scrolling list to load that mail file.