To open your return, select Continue or Pick up where you left off.
Select File in the menu.
You'll see 3 steps. Complete Steps 1 and 2 if you haven’t already, then select Start or Revisit next to Step 3.
On the We've determined the easiest way to file your taxes screen, select Change next to the return you want to file by mail, and select File by mail on the next screen. Be sure to Save.