This tutorial will show you how to delete an email account on your iPhone.
First, locate and press the Settings icon. It may be on a different screen or in a different location than shown here.
Scroll down…
Then select Mail, Contacts, and Calendars.
Select the email account you want to remove from your iPhone
Then press the Delete Account button here.
Press here to confirm you want to delete the account. Note: Deleting an email account from your iPhone will also remove all messages in your iPhone.
That’s it! The email account has been deleted from the iPhone and is no longer listed here.
Let’s return to the home screen by pressing the Home button on the iPhone
You now know how to delete an email account from your iPhone.