Yes, you can stop your existing return filing and move to TurboTax. The IRS will start accepting e-filed tax return on 01/23. In order to avoid problems and the need to file an amendment later, be sure to wait until you receive the actual W-2 before e-filing your return.
Here are links for TurboTax products:
Online: http://turbotax.intuit.com/personal-taxes/online/
Download/CD version:
http://turbotax.intuit.com/personal-taxes/cd-download/
[edited 1/15/2017; 11:14 AM EST]
