Nokia Lumia 900 - How do I remove a mail account from my Lumia phone?

  1. Press Start, then swipe left to the App list.
  2. Select Settings and then tap email+accounts.
  3. Tap and hold on the Mail Account you want remove and select delete. You will be prompted to perform the action.

Note: If you have set your Microsoft account as your primary account, the only way to remove it is by resetting the phone.