You can't sign up for Messenger without a Facebook account - 9to5Mac
For Facebook refuseniks who still want the ability to chat with Facebook users, you used to be able to sign up for Facebook Messenger without a Facebook ...
27 Dec 2019 ... For Facebook refuseniks who still want the ability to chat with ... You can no longer sign up for Facebook Messenger without a Facebook account ... “If you're new to Messenger, you'll notice that you need a Facebook account ...