An attempt will then be made to recall the message from each recipient. Outlook for Mac does not support a recall option. How to recall a message in Microsoft Outlook and unsend emails you've sent The recall is only available on Windows clients. Perform these steps as quickly as possible after the email message has been sent to ensure best results.
Recall your email message in Microsoft Outlook or if you have sent out a message that you would like to have a second chance at sending.