Unfortunately, the TurboTax Online 2015 servers
have been shut down and the data has been deleted.
However, you can login to the CRA’s My Account
service and they will have the information from your 2015 return available. https://www.canada.ca/en/revenue-agency/services/e-services/e-services-individuals/account-individua...
If you have TurboTax Live Assist & Review,
here is how to talk to a Tax Expert:
https://turbotax.community.intuit.ca/replies/3456106
