If you are Faculty or Staff at Canisius College, your campus email account ("username@canisius.edu") is supplied and managed through a program called Microsoft Exchange. By default, messages other people send to you are collected in your Inbox, while messages you send to others are filed in a Sent Items folder.
Exchange automatically deletes old emails according to the following rules:
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In each email, Exchange includes an expiration date, telling you when that email will be deleted if left in the Inbox, Sent Items, or Deleted Folder.
Messages stored within folders created by Faculty and Staff users are not deleted. So to save old emails, periodically move them out of your Inbox and Sent Items folders, into folders you created.
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