I have not used Turbo Tax return before, but I want to use and see Turbo Tax return on already filed Tx return of 2020
Already answered in your prior post for the same subject here - https://ttlc.intuit.com/community/after-you-file/discussion/can-i-try-turbo-tax-return-on-my-already-filed-return-of-2020-just-to-compare/01/2703313