1. Open Facebook: Log in to your account via the app or web.

  2. Go to Settings: Access your settings and privacy options.

  3. Download Information: Select “Your Facebook Information” and then “Download your Information.”

  4. Select Messages: Choose “Messages” and request a download.

  5. Retrieve Data: Once ready, download and view deleted messages.


For more information - https://guideet.com/how-to-recover-deleted-messages-on-messenger/