Fast Delete All Messages from Messenger for Chrome
More About Fast Delete All Messages from Messenger
If you’ve got plenty of messages, this process can surely be very tiring and time consuming. You can just remove messages from message list. However doing this won’t delete the messages permanently. The messages will be archived instead and reappear if a person sends messages again.
This is where fast delete all messages tool comes handy. This is a Google Chrome extension which allows you to delete messages with one click.