If you want to check if someone else has recently logged in to your Yahoo mail account, then you can do so by going through your account’s login history.

 

  • Log in to your Yahoo mail account.
  • Click on “Account Info.”
  • Select “Sign in and Security.”
  • Click on “View Your Recent Sign-in Activity.”
  • You will be requested to Login again.
  • Now you can easily view your Yahoo mail login history.