Go to the link: https://www.auth.usyd.edu.au/extro/passwd/
This is important for PhD students or staff, who usually have multiple accounts.
Go to the link: https://www.auth.usyd.edu.au/extro/pwresync/
Go to the credential manager to reset the password for printer, etc.
Search for "Credential Manager" in windows.
stmp server for uni email service is smtp.office365.com.