After you file


@Anonymous wrote:

Can I create a new account with my email. Or file someone elses taxes I my account


The TurboTax online editions are only for completing one tax return per account and User ID.  For another tax return you will need to create a new account with a new User ID - https://turbotax.intuit.com/personal-taxes/online/

Up to 5 User ID's can be associated with one email address.