unfortunately, using TurboTax Online, you can only prepare and e-file one federal and up to five associated state returns under the same login.
You can also e-file up to five federal returns for each email address tied to a TurboTax account, but you must create a separate login for each return, and each return should have a unique Social Security or Tax ID number.
Using the TurboTax desktop software,
you can e-file up to five (5) federal tax returns. You can prepare as many returns as you want, but only five can be e-filed.
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