there are many different types of email accounts you can add to outlook, including office 365, gmail, yahoo, icloud, and exchange accounts. some third-party email providers, like gmail, yahoo, and icloud, require you to change some settings on their websites before you can add these accounts to outlook.
Recall or replace an email message that you sent - Office
you send an e-mail message to someone. you recall the original message and replace it with a new one. on the recipient's computer, either by rule or by action of the recipient, both messages are moved to the same folder. this results in behavior similar to that which occurs when outlook is not configured to automatically process messages.
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