Delete/recall a sent email before recipients reading in Outlook Ensure you double-click on the message and that it opens. You can access this in the folder pane on the left side of the Outlook window. Double click on the message which is to be recall Click on messagesActionsrecall this message Select delete copies of this message and OK. If you have any other questions, please feel free to contact us. Here is an article for your reference: Recall a message. Then on the Message tab, you can see the Actions tab, click it and you can recall the message from here. To recall a message, first please double click on a sent email to open it in a new window.
In this situation, you can delete the sent email before your recipient reading it. Let’s say you just now sent an email to an irrelevant recipient in Outlook by mistake, and you want to prevent this recipient from viewing this email.
How to delete/recall a sent email before recipients reading in Outlook?