To view archived conversations from within the Messenger app, you'll need to use the search bar at the top of the app's screen to type the name of the person the conversation was with.

Once you have an archived message open in Facebook.com or Messenger.com, it's easy to search for a specific keyword with that thread. You can search in any open Facebook message, not only Archived messages.

This wikiHow teaches you how to see archived messages on Facebook Messenger. You can use the Facebook Messenger mobile app's search bar to look up archived conversations by name, or you can view a list of conversations you've archived on your comp