Google can help you recover access to your account by asking a series of security questions to verify your identity. Important: To recover an account for a child under 13 years: Learn how to reset your child's password. To recover a work, school, or group account: For help, contact your administrator.

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.

Most email service providers offer account recovery options such as resetting passwords or answering security questions. Look for these options on the sign-in page of your email service provider's website and follow the prompts provided.