A 2021tax return with a tax refund has to be filed on or before April 15, 2025 to receive the refund.
You can manually complete the federal tax return for tax year 2021 using this IRS website - https://www.irs.gov/pub/irs-prior/f1040--2021.pdf
A 2021 tax return can only be printed and mailed.
Go to this IRS website for the mailing address for a Form 1040, by state, with or without a tax payment - https://www.irs.gov/filing/where-to-file-paper-tax-returns-with-or-without-a-payment
Go to this Oregon website for the 2021 Oregon Form OR-40 - https://www.oregon.gov/dor/forms/FormsPubs/form-or-40_101-040_2021.pdf
The mailing address is on the form
