Log Off Facebook Messenger
Well, it's not possible to sign out from within the Messenger however there is a basic workaround to do so if you're utilizing an Android device. iPhone, iPad and WP users can likewise logout without uninstalling the app but that requires using Facebook's web user interface, either from your mobile web browser or desktop. Though, this isn't a user friendly way however will do the needed task.
Logout from Messenger on Android
Go to phone Settings > Applications and open the Messenger app. Click the 'Clear information' choice and now open Messenger. You'll now able to log into Messenger using a different Facebook account. Keep in mind: If you have actually Facebook app installed and you're singed into it then Messenger will still reveal your formerly connected account that can be configured immediately.
To sign in using a various ID, simply click the 'Change Account' option. In case you wish to unlink your earlier account from Messenger, simply logout from Facebook app.
Keep in mind: Cleaning data will remove the app settings and all your messenger information (saved in your area) such as photos. Nevertheless, the messages and images will be synced once again with your account. Follow the below alternate procedure instead, if you don't desire the information to be rubbed out.
Logout from Facebook App/ Messenger App on iOS, Android, Windows Phone and Desktop (Recommended Method).
This is a really useful method to from another location logout from Facebook from any or all the gadgets to which your Facebook account is related to. It comes genuine handy in case you loose access to a particular device and want to prevent unauthorised access to your account. The advantage of this workaround is that it doesn't clean your regional Messenger information and works with all significant mobile OS like iOS (iPhone, iPad, iPod touch), Android and Windows Phone.
To do so, log into your Facebook account from your desktop internet browser or usage Chrome web browser to log into facebook.com on your smart device and select desktop version of the site. In Facebook, browse to Settings > Security and click "Where You're Visited" option.
Here you can see all your Facebook active sessions along with details like Gadget type. Select the Messenger one and click "End activity". Now open Messenger on your phone and it'll instantly log off (wait for an instant and make certain you're connected to Internet.).
Dear Facebook, please don't irritate users by managing fundamental functionality. Take that! And one more thing please don’t forget to share this awesome trick to use the Log Off Facebook Messenger with your friends.