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QUICK ANSWER
To log out of Facebook, navigate to Settings–> Security and Login and select Log Out of All Sessions.
KEY SECTIONS
How to log out of Facebook on your phone
First, open the Menu from the top right of the app.
Adam Birney / Android Authority
Scroll down to the bottom of the screen and tap Log out. This will log you out of Facebook on your mobile device.
Adam Birney / Android Authority
To log out of other devices from your phone, tap the Settings wheel from the menu, and select Password and Security.
Adam Birney / Android Authority
From there, you can see a list of devices. Tap the three-dot icon on the session you want to end, then Log Out.
Adam Birney / Android Authority
You may be wondering, “why are all the logout buttons in grey? It’s so hard to find.” Well, that’s actually done on purpose. It’s a subtle UX strategy utilizing visual saliency to draw your attention away from logging out.
How to log out of Facebook on your computer
Open Facebook on your desktop and navigate to Security and login settings. Scroll down to the section Where you’re logged in and click the three-dot icon beside the session you want to end.
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Log out of Facebook from all devices at once
From the mobile app, navigate to Settings–>Password and Security and select See all beside Where you’re logged in.
Adam Birney / Android Authority
Scroll down to the bottom and tap Log out of all sessions.
Adam Birney / Android Authority
Navigate to Security and login settings from your desktop and find the section Where you’re logged in. Then, click See more to see all of your devices. At the bottom of the list, click Log Out of All Sessions.
Adam Birney / Android Authority
You can’t log out of Facebook Messenger from the app, but you can log out from your Facebook account settings. Navigate to Settings–>Security and Login and select Messenger from the list of devices to log out from.
Navigate to Settings and Privacy and click Your Facebook Information. Then, click Deactivation and Deletion and follow the on-screen instructions.
