If you have already filed your tax return, and it has been "accepted," then unfortunately you cannot change any of your information. You are unable to recall, edit, or alter a tax return once submitted. The analogy is very much like placing a letter in a secure, locked, mailbox: once something goes in, it cannot be taken back out.
However, if your return gets e-file "rejected" for any reason, then it will come right back into your TurboTax account, and you will have the opportunity to correct anything that you like from there, including changing bank account numbers.
That said, if your bank information is
incorrect (and the refund payment "bounces" at the bank) for the tax return you filed, then the IRS (and your state department of revenue, if applicable) will automatically switch your refund over to sending a paper check by mail. If the bank account number is valid, but just not the bank account that you would prefer to receive your refund, then the refund will go into the account you originally input on your tax return (there is no way to change that, as was mentioned above).
We're sorry if this information is not what you were hoping to hear; but at least now you have the information you need.
Thanks for asking this important question.
