You can always contact the Digital IT Service Desk for assistance with email and Outlook issues; however, self-sufficiency with regard to email management can significantly improve your productivity (and stress levels). Refer to the Microsoft website for further guidance.
If email access stops working from your mobile phone or tablet, it is usually because you have recently changed your main login account password (which is used also for connecting to your University email account). Whenever you change your login account password, the password stored in your mobile device—which the device uses to connect to the University’s email server—will always need to be manually updated to match it. Go to the appropriate guide if you are not sure how to do this: