It depends.
Did you use TurboTax to prepare your tax return for 2018?
If so, you can log back into your account, and print out a copy of your 2018 tax return to mail in to the IRS.
Printing a prior year return
If you did not use TurboTax, you can contact your employer to request a replacement copy of your W-2 for 2018.
If you are unsuccessful there, you can always refer to the following information on the IRS website to obtain your W-2 forms.
IRS request for W-2 Forms
You will need to download the 2018 software to prepare your 2018 tax return.
It cannot be done using the online software.
How to prepare a prior year tax return
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