If you have not filed already, you can change your banking information by doing the following:
When you log into your account and go back into your tax timeline, you should see the File tab at the end.
There are three steps listed. Click on Start/Revisit next to Step 2.
You'll have the choice for in my bank* for direct deposit or paper check to receive in the mail
Select your choice and then hit continue at the bottom.
*Please note: if you decide to change to direct deposit, there may already be account information listed. If the information is incorrect or not current, MAKE SURE THE BOX UNDER THE ACCOUNT INFO IS UNCHECKED (will say something like "I want my refund in this account") When you click continue, the next page will allow you to update your information.