Email - Go to https://passwordreset.microsoftonline.com/ to reset your password. If you do not have personal staff computer assigned, you can log into a shared computer then log out again once you've finished these steps.
Sierra - Create a ticket with IT to request a reset of your password.
IT Portal - Click the reset password link on the login screen.
Timesheet - Please contact a staff member in the Account or HR department.
* Your password expires every three months. You can set a reminder in Outlook to change it before the deadline and avoid being locked out of your email account.