To change your banking information in Turbo Tax Online, you would go to the 'File' tab. Then:
- Select 'File' in the upper right of the screen.
- Select the 'Revisit' button next to 'Your Refund Info'.
- Answer the interview questions
- You will arrive at a screen asking for your bank account information.
NOTE: You cannot change your banking information if you have already filed your return (unless it is rejected by the IRS).