You can visit our account recovery page if you need help getting your TurboTax user ID or password. Find the detailed steps here: https://ttlc.intuit.com/replies/3302318
If you no longer have access to the email address used to create your TurboTax account, please submit a request to change your email by following the steps below: https://ttlc.intuit.com/replies/3300098
Access to prior year returns is determined by which online version of TurboTax you used to file your most recent return. This TurboTax FAQ article provides more detail: https://ttlc.intuit.com/replies/5459364
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