If you deleted the message permanently, you would have seen a warning message stating that deletion is permanent, and that there’d be no way to restore the message. So, if you don’t remember seeing a message like that, check the archive!
It won’t work to download your archive now, as the deleted message won’t be included in a new archive. But if you downloaded your information before’ deleting the message, you’ll at least have record of the conversation through the moment you deleted it. If you created the archive before you sent or received the message you want to restore, the message won’t be in the archive.
Double-click the file beginning with “facebook” and ending with “. zip. " Click Extract all at the top. Make sure there’s a checkmark in the box next to “Show extracted files” and click Extract. Double-click the file called your_messages. html to open the messages your default web browser.
If there is no Messages folder in your archive, you didn’t choose to add messages to your archive before downloading.
You can only create your backup on a computer—there’s no way to do it on your phone or tablet. [1] X Research source
If you just want to back up your messages, check “Messages” and remove all of the other checkmarks.
Facebook can usually have your download ready within 10 minutes, but this will vary depending on the number of conversations in your inbox (and how much other information you included in the archive). When you receive the confirmation email and/or notification from Facebook, click the link and follow the on-screen instructions to download your backup.
