If you are helping family for FREE and they give you access to their online accounts then have at it ... only thing would be is have them finish the FILE tab and send their own returns. FYI ... the 2 factor log in should be left on and they should give you the code themselves ... do not put your contact info in for theirs so they don't lose access to their own accounts.
For those who qualify (AGI $73K or less) they can use one of the IRS FREE FILE options that open up mid January ... https://www.irs.gov/filing/free-file-do-your-federal-taxes-for-free
