Even if it’s a different device from the one you used to send the message, you can delete or amend any iMessage you’ve sent (for example, unsending a message using your Mac that was originally sent from your iPhone). They must be iMessage messages exchanged between Apple users. Tap the message while holding it in place (or click it while holding it on a Mac), then select the “Undo Send” option that displays. The recipient will see a little indication at the bottom of the screen letting them know that a message has been unsent when you cancel sending it. We have mentioned steps below to Unsend Sent iMessage
macOS: Steps to Unsend Sent iMessage
Final Words
We hope like our article on macOS: how to Unsend Sent iMessage. iMessages are only compatible with iPhones (and other Apple devices such as iPads). A message sent from an iPhone to an Android-using friend will appear green and be sent as an SMS message.