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 within the Settings app, scroll to and tap Apps.
2.
Scroll to and tap Mail.
3.
Tap MailAccounts.
4.
Select the account you'd like to remove.
5.
Tap Delete Account.
6.
Tap Delete Account again.
7.
You've completed the steps!
1.
From within the Settings app, scroll to and tap Apps.