How do i begin entering info for a second federal return on my turbo tax deluxe account?

[LinaJ2018]

You cannot file a second tax return under your online account (the same account).  For online edition, to file a second return, you would need to create a separate account  https://myturbotax.intuit.com/  and enter information under the new account.

[VolvoGirl]

Online is only good for 1 return.  But you can use the same email address for 5 accounts.   How to start another return in the Online version https://ttlc.intuit.com/replies/3288574