Where do I send my w-2s self-prepared from 2017?

You enter the W-2's on the tax return.  Complete, sign, date and mail the 2017 tax return to the IRS and include with the mailed return copies of the W-2's you entered on your tax return.

If you are filing a tax return for a tax refund, the refund will not be paid.  A 2017 tax return had to be filed on or before April 15, 2021 for a refund to be processed, approved and issued.

TurboTax does not support tax year 2017.  If you really need to file the 2017 return then you should seek out a local tax professional to assist you in completing the 2017 tax return.

W-2's are provided by employer's.  They are Not self-prepared by an employee.

This is IRS Form W-2 for tax year 2017 - https://www.irs.gov/pub/irs-prior/fw2--2017.pdf

If you did not receive a W-2 from your employer then you have to provide a substitute form for the W-2 using IRS Form 4852 - https://www.irs.gov/pub/irs-prior/f4852--2017.pdf

The tax data from the W-2 or the Form 4868 is entered on the federal tax return, Form 1040.

This is the IRS Form 1040 for tax year 2017 - https://www.irs.gov/pub/irs-prior/f1040--2017.pdf

Go to this IRS website for the mailing address, by state, for the federal tax return - https://www.irs.gov/filing/where-to-file-paper-tax-returns-with-or-without-a-payment