Absolutely! Changes to filed returns are made by way of an adjustment. Here's our FAQ on making changes to a filed return:
canada2849-gmail
New Member
user9beefa9d
New Member
Balzacin
Level 1
ethantsui12345
New Member
iluvthai-5072881
New Member
You have clicked a link to a site outside of the TurboTax Community. By clicking "Continue", you will leave the Community and be taken to that site instead.