If you have a TurboTax Online account, follow the prompts to sign in; your credentials are the same ones you used last year. If you don’t have an account, follow the prompts to create one and then sign in.
If you already have a TurboTax Online account: After you sign in, on the “Great to see you again!” page, select Start a new return on the left-hand side menu. Choose the TurboTax Online product you’d like to use and then click Start.
On the “How did you do your taxes last year” screen, select TurboTax CD/Download and then select Continue.
On the “Let’s start with last year’s return” screen, select Choose File. Browse to and select your prior year TurboTax CD/Download file, and then select Continue.