So, let’s get take a look at these below mentioned few simple and easy steps to log out of Messenger session from the Facebook app. But if in any case, you need to log out of Messenger session from the Facebook app, then don’t worry, Here, below we have mentioned about the complete details that you can follow to logout of Messenger session from the Facebook app. The Messenger is an Instant messaging app that works for Facebook and allows us to send and receive messages from Facebook friends. Today, there are over billions of active users on Facebook. As you know that Facebook is the most popular and widely used social networking website and also available on multiple platforms such as Android, iOS, Windows, Blackberry, etc.