If you need to, you can remotely log out your Google account from all devices. This can help keep your account safe from others if you think someone has gained access to your information.
1Go to Gmail. Sign in with your account.
2Scroll down. Select Details from the bottom.
3Click on Sign out of all other web sessions.
4Done. Note that users can log in again, if they know your password or have it saved on their computer. If you’re concerned about someone using your account without your permission, please change your password.