If you have two accounts with the same email, it will take you back into the account that you were most recently logged into. Here's a link to help you recover your account https://myturbotax.intuit.com/account-recovery/
If that still doesn't help here's a link that allows you to receive a call from a Customer Service Representative in reference to you not being able to access your account from the 2015 tax filing year https://support.turbotax.intuit.com/contact/
