The ‘MyServices’ portal allows users to manage their Hosted Exchange services, edit their profile, change their password and find useful information regarding their services.
To login to MyServices, Click Login -> Outlook Web Access
On the next screen, choose MyServices as shown below.
To change your account password, after you login, you will see a link for ‘Change Password’ underneath your name.
Remember, after you change your password here, you will need to change it on any device or eMail client that accesses your email.