So, if you’re searching for the guidelines on how to view archived messages on Facebook, this post is for you. See: How to see Archived Messages on Facebook Messenger.
Read: How Do I unblock someone On Facebook Messenger?
On a Mobile Device
2. Next, tap the search bar. This can be located at the top of the screen
3. Type the name of the person you want to view messages for in the space provided.
3. Choose the friend whose messages you want to see from the search results and then you’ll see all of the messages from that person.
B:
On Your Browser
1. For Facebook.com users, open Messages. It’s at the top of Facebook on the same menu bar as your profile name.
2. Click See All in Messenger at the bottom of the message window.
3. Open the Settings, help and more button on the top left of the page (the gear icon).
4. Choose Archived Threads.
Read:
How to report a review to be removed from a Page on Facebook
Facebook Security Block List
Facebook Messages | I Can’t Send Messages on Facebook | Facebook Messages without Messenger
Bear in mind that to unarchive Facebook messages, you just need to send another message to the recipient. It will show up again in the main list of messages along with any other messages that aren’t archived.