Activating Self service password reset will allow you to reset your Office 365 password in the future to prevent yourself from getting locked out of your account.
Please go to: https://account.activedirectory.windowsazure.com/passwordreset/Register.aspx and ensure that you have completed the on-screen instructions.
Please save the link: https://passwordreset.microsoftonline.com/. You will use this in the future to reset your CIU Outlook email password if you cannot remember it.