This portal is for users like you, who need to update your mailbox password.
Temporary password: If you are unable to access your mailbox, your IT Manager shall reset your account password and give you a new one. You will have to enter the temporary password in current password and setup a new password.
Mailbox password: If you know your mailbox password and need to change to a new password, select Mailbox password and update to new password.
If you have queries still, contact your IT Manager.