Steps To Recover Deleted Facebook Messages:
Step 1. First, sign in your Facebook Account. Now go to Facebook General Account Settings.
Step 2. In General Account Setting after the Temperature setting box, you will see a text written as Download a copy of your Facebook Data.
Step 3. Now click on that option and at the another page, you will see a “start my archive” option, click on it. Now a popup window will open and will ask you to enter your password. This will be just for security purpose.
Step 4. Now you will see that download link of all the Facebook Data will be sent to your email account. Now open your registered email account after a while and you will see the facebook mail in your account. Open the mail and you will see a link to download your facebook data.
Step 5. Click on that download link to download your entire facebook data. Now when downloading completes open the file using WinRar and extract it. In the extracted files you will see the folders like pictures, messages and videos etc.
Step 6. Now open the message folder and it will be in default HTML code, open it in your browser and you can see all the messages you chat with your friends.
That’s it you are done all the data of your facebook will be on your computer.