No. But if you do another return in the same account it will overwrite the first return. So if she already did her return then your return will replace it. And she won't be able to get a copy or use it for next year.
Online is only good for 1 return per account. But you can use the same email address for 5 accounts. How to start another return in the Online version
https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-start-another-return-in-turbotax-onli...
