If you are using TurboTax Online, the only thing you can download are PDF copies of your return, which TurboTax CD/Download can’t use. If you want to REFILE your return, you need to do it in TurboTax Online.
This FAQ has information on REFILE and how to do it in TurboTax Online: https://turbotax.community.intuit.ca/community/tax-topics/help/what-is-refile/00/873779
If you have TurboTax Live Assist & Review, here is how to talk to a Tax Expert: https://turbotax.community.intuit.ca/community/navigating-turbotax/help/i-m-using-turbotax-live-assist-review-how-do-i-talk-to-a-tax-expert/00/873764