How to remove an IMAP or POP3 account from Outlook 365 (Windows) News Christophe ShareLinkedInTweetPinEmail 1. Open up control panel The fastest way is to normally press the ‘Window’ key (for search) they type in ‘control panel’ 2. Click on ‘Mail’ options 3. Click on ‘Email accounts’ 4. Click on the account you’d like to delete then click the ‘remove’ option 5. Close ‘mail options’, ‘control panel’ and ‘Outlook’ then re-start ‘Outlook’ ShareLinkedInTweetPinEmail