Happy to help. If you filed with TurboTax last year, you don't need to upload your last year's tax return PDF file, your last year's tax data should be pre-populated for you. One way to check is that after you log in, click on "Tax Home" on the black navigation bar on the left, toward the bottom of the screen, click on "Your tax returns & documents", if you see a "2017" tab, you should have all the data from last year in the system. Feel free to proceed with your taxes.