How to delete facebook messenger chat

- How to delete facebook messenger chat permanently
- How to delete facebook messenger chat all at once
- How to delete facebook messenger chat history
- How to delete facebook messenger chat history permanently
- How to delete facebook messenger chat history on iphone
- How to delete facebook messenger chat group
- How to delete facebook messenger chat on pc
- How to delete a chat on facebook messenger for everyone
- How to delete all chat history in facebook messenger