You are able to remove any email accounts that you have set up on your device. Removing an email account from your device does not delete the email account.
1.
From the Home screen, tap Settings.
2.
Scroll to Mail, Contacts, Calendars.
3.
Tap Mail, Contacts, Calendars.
4.
Select the account you'd like to remove.
5.
Tap Delete Account.
6.
Tap Delete from My iPhone.
7.
You've completed the steps!
