This is true only for the app version itself, and all of the recall options on the web versions of Outlook should work just ...

Microsoft Outlook supports this feature through its Resend or Recall option. It also has the option to delay the delivery of emails. Before you attempt to recall a message in Outlook and edit it ...

A function in Outlook that lets users delete an email message that they have sent and which has been received by the recipient. A Microsoft Exchange server or a recall-compliant mail server must ...