You can use the same email address if you choose however,...

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You can use the same email address if you choose however, you would need to create a new login for the second tax return. Up to 5 accounts can be tied to the same email address.

If you're preparing multiple returns for family members, it's more economical to switch to the TurboTax CD/Download software, which lets you e-file up to 5 federal returns at no additional cost. More info

Please follow the steps in the FAQ for instructions on starting another return in TurboTax Online.

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