Hi @Michael C ,
In general, to remove an Office 365 account from Outlook for iOS, you can follow these steps:
- Start the Outlook for IOS.
- Tap settings at the button right of screen.
- Tap the account you would like to remove.
- Click Delete account at the bottom of the page.
- Fully quit the Outlook for IOS
If you can still see this email address when you reopen Outlook to log in to your new account, please select Skip directly.
Moreover ,please kindly understand that the exchange-online tag here we mainly focus on technical questions about the configuration and administration of Exchange Online. In order to better solve your problem, it's suggested to post your issue on this dedicated forum for Outlook for Mobile for more professional help.
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