I completed my TurboTax 2018 taxes in Feb 2020 and mail it to the IRS. How can I upload my taxes from last year before starting my 2019 taxes?

[EbonyA]

You may access your 2018 tax return that was filed using the Turbo Tax program by following these steps: https://ttlc.intuit.com/community/prior-year-return/help/how-do-i-access-my-prior-year-return/00/270...