By default, only unread messages are listed. To view all messages, click Show All . By default, messages are presented by threads.
Threaded messages are a series of replies to the same subject.
To expand or collapse a thread, click the arrow next to the Subject . To view messages in chronological order, click Unthreaded . From the Mail Folders table, click the folder that contains the mail you want to read. The Mail Messages screen appears. To display any mail that was just sent, click Update Listing .