button, and there select "Record Settings." It will show the entirety of your associated accounts in another window.
For Outlook 2003, select "View or change existing email accounts."
Pick the record you need to change the secret phrase to.
See that you'll be changing the secret key that Outlook uses to get to the record, not that record's real secret phrase. In the event that you need to change the secret word that secures your Outlook account, you'll need to do that through your email administration.