We need to delete your email account and re-add it.

  • To do this Go into Settings, Mail, Accounts, Exchange and Delete Account.
  • Then go back into Settings, mail, Accounts and add it back.
  • Choose Exchange, enter your email address and hit Next,
  • Then it will ask you to Sign In or Configure Manually - choose Sign In
  • Then enter your password on the Microsoft login page.
  • Then you should be able to open your mail.