How to change your email password using Outlook
Please navigate to outlook.office.com and sign-in with your center's email address and current password.
1. Navigate to your initials icon on the top right corner of the screen and click on "View Account". 
2. Then, click on 'Change Password" as seen below.

3. Enter your current password under old password and create a new one under new password.

4. Click on Submit button and log off then log back in.
Regards,