Generally speaking BYU-Idaho mailboxes have a quota of 500MB, by archiving your emails you can free up space in your mailbox without losing your old emails. This works by moving these emails onto your personal computer.
This process differes slightly depending on the version of Outlook that you are using.
I don't know which version I am using. How can I tell?
Go to start and search for Outlook
Steps for archiving your email on: