As long as you haven't submitted payment, deducted the TurboTax fee from your refund, or registered, you can erase your return and start from scratch in TurboTax Online. Click here for instructions.    ... View more

The optional Refund Processing Service for paying the TurboTax account fees with the federal tax refund and the RPS fee of $39.99 will not be available until all the forms and schedules included in your tax return are finalized for e-filing. In the meantime you can select the option to pay TurboTax with a credit/debit card.   However, be advised the forms and schedules included with your tax return may not yet be finalized so that you can e-file your tax return.    You should also be able to click on Review on the left-hand menu, and it will show you a list of forms in your return that aren’t available yet. It should also show the date they should become available.    See also this TurboTax support FAQ for IRS forms availability. ... View more

You can mail in your returns once you have completed them.  However, the IRS will not begin processing paper returns until January 27, 2020.  Be sure you have received and input all relevant information and documentations such as forms W2, 1099 and 1098 as applicable.     ... View more

"Overpayment" is another way of saying refund.  The question is asking if you want your refund to go toward paying your taxes for tax year 2020. ... View more