How do I archive a conversation on Facebook?
This is about using messages on Facebook on a computer. For help with the Messenger app, visit the Messenger Help Center.
Archiving a conversation hides it from your inbox until the next time you chat with that person. Deleting a conversation permanently removes the message history from your inbox.
To archive a conversation:
  1. Go to
  2. Open the conversation you want to archive.
  3. Click at the top right of the conversation.
  4. Click Archive.
Once you do this, the conversation's history will be preserved, and you'll still be able to find it later. If the same person sends you a new message, the archived conversation will reappear in your inbox, and the new message will be added to it.
You can also delete messages, but you can't undelete them.
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