At times, you might need to log out of Facebook account on all devices at once due to some security reasons. If so, you can follow this step-by-step guide to sign out of your Facebook account on ...

6. You will notice that the login then disappears from the list, which is how you'll know you've successfully logged out. 1. Open the Facebook app and after locating the three horizontally stacked ...

However, one thing the Facebook app does not allow is ready use of Facebook Messenger. But you can't simply log out of Messenger using the Messenger app - for that, you need to go back into the ...