Cashback World extension will remove your facebook messenger and cookie facebook in seconds! Deleting numerous messages on Messenger is not as easy as deleting emails since Messenger actually intends to keep conversation history. In order to delete messages you have in your account you need to open messages from your sender one by one and then you will proceed to “options” and start choosing messages that you wanted to delete. But with this extension just one click, messages and cookie from facebook will be deleted ! Cashback World optimal, management Facebook Messenger. Help save your time.