Deleting Office 365 Exchange Account from IOS Mail App
Overview:
The following are instructions on how to delete your Office 365 Exchange (Outlook) account from the iOS Native mail client (the mail app on iPhone/iPad).
Critical Concepts:
When having trouble with your email account, deleting your account and re-adding it can solve the issue.
Steps to Take:
Go to your settings
Go to “Mail”
Find “Accounts”
Your account should be listed under “Exchange.” Click on “Exchange.”
Press “Delete Account.”
Your account should now be deleted. You can confirm this by going back to your list of accounts.
...