RECALL Message function never works

Okay, I will use the Deferred Delivery feature.

That said, it would be beneficial if product developers and decision-makers could consider providing a more flexible recall option. Users may not always have the opportunity to thoroughly proofread an email before sending, especially when updating recipient lists at the last minute.

Dear Jaise George,
The Recall Message feature in Outlook only works under specific conditions. The error message "Messages to recipients outside your organization or on-premises can't be recalled" indicates that Outlook does not recognize the recipient as being in the same Microsoft 365/Exchange organization as the sender.

Even if both users are using Outlook, message recall is only supported when both mailboxes are hosted within the same Microsoft 365 or Exchange organization. Messages sent to external organizations, personal email accounts, or unsupported environments cannot be recalled. For reference: How to recall an email in Outlook: Requirements, Limitations & Steps

I do understand your concern about this feature and how it helps you to improve your efficiency in such a busy daily work schedule, but as it is related to Outlook product design, I strongly recommend that you submit your valuable feedback directly to the Microsoft product development team by posting on Ideas · Community for feature requests.

Please note that, as this is a public community forum, no one here is a product developer or decision-maker and has no control over the product. I can only assist you with your query by providing available solutions and feature availability status within our scope and capability.

With that being said, here is an alternative approach to mitigate the issue by using the delay delivery feature in Classic Outlook. You can configure a delay (e.g., 1–2 minutes) for all outgoing emails. This gives you a buffer period to cancel the email before it is sent.)

• Open Mail in Classic Outlook > File > Manage Rules & Alerts > New Rule
• Under Start from a Blank Rule, choose Apply rule on messages I send, then select Next.
• Do not select any conditions if you want this to apply to all emails. Select Next, then confirm Yes.
• Check defer delivery by a number of minutes.
• In the rule description, select a number of, enter 1, then select OK.
• Select Next through exceptions (unless you want some emails to send immediately), give the rule a name, keep Turn on this rule checked, then select Finish.

I hope the information shared is helpful. If you have any questions, please feel free to reach out.