Question

2020 Estimated Taxes

How do I revisit and revise the calculation of estimated taxes and quarterly payments for 2020 in the 2019 TurboTax?

Employee

Using the TurboTax desktop editions for tax year 2019 -

Click on Federal Taxes

Click on Other Tax Situations

Under Other Tax Forms

On Form W-4 and estimated taxes, click the start or update button

On the next screen click on No for adjusting your W-4

You can calculate your 2020 estimated taxes and generate the payment vouchers by doing this:

With your 2019 tax return open, search for 1040-es (be sure to include the dash) and select the Jump to link.
Answer No to the question Do you want to change your W-4 withholdings for 2020?
Answer the questions about things like your 2020 filing status, income, and deductions.
Eventually, you'll come to the Print Vouchers? screen. Answer Yes and we'll include your 2020 1040-ES payment vouchers when you print a copy of your return later.