If you used TurboTax Online, simply log in to your account ( with the same User ID and password you used for your 2021 return) and select “Amend a return that was filed and accepted.” If you used our CD/download product, sign back into your return and select “Amend a filed return.” You must file a separate Form 1040-X for each tax return you are amending.
Your amended return for 2021 would have to be printed, signed, & mailed in.
