You can virtually download all your data from Facebook Messenger – comments, posts, likes, events, groups, pages, photos, videos, etc.  To download your message history, follow the steps below: 1. Open Facebook on your browser. 2. Click on the arrow icon in the upper-right corner of your screen. 3. Go to Settings & Privacy. 4. Click on Settings. 5. Find Your Facebook information on the list of settings. 6. Select Download Your Information. 7. Click Deselect all to uncheck all the boxes. 8. Check the Messages box. 9. Choose the date range, format, and media quality. 10. Select Create File. You can download all your messages from the moment you’ve created your Facebook account, or you can select the time you would like to save. When it comes to the format, your options are HTML and JSON. Quality ranges from high, medium, to low. It will take some time for Facebook Messenger to make a copy of your entire message history. Once it’s complete, you’ll receive a notification and a link you can use to download your message history.