TurboTax accounts cannot be merged or combined.
If he completed a federal amended tax return, Form 1040X, using the 2018 online editions then the return should be included in the PDF download. If the return is not in the PDF then you will need to wait until the TurboTax online editions for tax year 2019 become available in early December. At that time all the forms, schedules and worksheets for the 2018 tax return should be included in the PDF.
