Please read the Following TurboTax Faq below to start an amend
https://ttlc.intuit.com/replies/3288565When
you're done amending, TurboTax will provide instructions to print and
mail your amended return (Form 1040X). This is because the amended
return cannot be e-filed.
You'll have to finish the 'amend interview' and print the forms
after everything is completed.