The selected messages will show in your chat list, but they are stored in the archived message file.
Find the person’s name in the search bar on Facebook, the archived conversation will show
for the PC version, go on Facebook -.. Messenger and click the icon settings, and select “conversations archived” to see all your archived messages < / p>
Retrieve deleted messages by downloading data on Facebook
Step 2: Click “Download a copy of your data on Facebook. “At the bottom of the interface
. Step 3: Click” Create my archives “for a copy of what you have shared on Facebook. You can see the downloadable information includes pictures, videos, messages, online chats and messages, etc. You can also click “And more” to learn more.