Go to http://accounts.google.com/signin/usernamerecovery and enter any email accounts or phone numbers that you've had for a while and which may have been used as recovery info. The “find your email” page can help you locate any forgotten Google accounts.

If you've forgotten your Google Account password, you can try to recover it through the Google website. On your phone or computer web browser, go to www.google.com/accounts/recovery. Follow the instructions on the screen to reset your password.

To get started, head to g.co/recover and enter your Gmail address. If possible, try the following to make recovery easier: Use a computer, phone, or tablet you've previously used to sign into your account. Use the same browser that you usually do, like Chrome or Safari.