You cannot file another return under your account, however, you can use your same email address when creating a new username and password in case you would like to file a return for a family member.
In TurboTax Online, you can prepare and e-file one federal and up to five associated state returns under the same login.
- You can reuse your email address if you want to receive e-file notifications for a second return.
- Up to 5 accounts can be tied to the same email address in TurboTax online.
More information can be found here: https://ttlc.intuit.com/replies/3403284
