Generally you would have deleted so many messages on Facebook and after some time you want some of those messages. This is not a difficult thing in restoring the deleted Facebook messages. Follow the below procedure for how to get back the deleted messages on Facebook. Remember that this method is just to get back the messages which you have hidden earlier, but not for the messages you have deleted permanently. Because permanently deleted messages cannot be restored.
How to restore deleted messages on Facebook
Step 1 : First step is log in to your Facebook account.
Step 2 : After logging in go to messages icon present at the top left corner and click on it.
Step 3 : After clicking on the messages icon the list of messages from different will be shown and at the bottom of the messages click on the see all option.
Step 4 : By clicking on See all you will be headed to next tab and click on the More option on the top left side of the screen.
Step 5 : Clicking on More option will show a drop down menu and there click on the Archived option.
Step 6 : Now it will show the list of messages that are archived and select the message which you want to restore.
Step 7 : After selecting the messages click on the Actions option present at the upper middle section of the screen.
Step 8 : Clicking on the action will show you a drop down menu and there click on the Archive to bring back the selected messages to your inbox.
Now your archived messages are restored back to the inbox successfully.