If you detect any unusual behavior in your account or if you fear that someone else knows your password so it’s time to take quick action. In case you lose your phone and you want to sign out from all the connected devices then these are the methods which include the option to sign out from all the devices.
Step-1 Sign in your Yahoo account and select “Mail”.
Step-2 Now, Go to the settings and select “Account Info”.
Step-3 Go to the “Recent activity”, all the connected devices will be visible on your scene.
Step-4 Choose the devices which you want to sign out from and Click the “sign out” button.