No, you cannot. Never start another return by going back and
overwriting everything in the return you just filed. This will replace
your info, which means you won't be able to retrieve your return later. Please refer to this TurboTax FAQ below for how to start an additional return in TurboTax Online: https://ttlc.intuit.com/replies/3288574
Tip: 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. https://turbotax.intuit.com/personal-taxes/cd-download/
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