Facebook wants you to use its Messenger app - even without a Facebook account

Log into Facebook

How To Login Facebook Account Without Email And Phone Number

Facebook Account Quick Registration / Member Login (New) – SHOPLINE Help Center

How do I contact FB support without logging into my FB account? : r/facebook

Can you use Messenger without Facebook on Mac?

iphone - facebook login give me already authorized this app without automatic returning to the app - Stack Overflow

How To Log In To Your Quest Without Facebook - VRScout

ios - How to Facebook login without opening Facebook app? - Stack Overflow

How to fix Facebook apps “Error: Can't Load URL: The domain of this URL isn't included in the app's domains” - Wilcity DocumentationWilcity Documentation

I can't access my account. What do I do? — Sports Tracker Help Center