"This file is not a Turbotax file. Error code: TT404".

bkabatas · ‎October 30, 2019

I bought Turbotax Primeir download from Costco. I installed the software and transfer 2016 file to 2017 than save it. I am getting error when I tried to open the new 2017 file. It says "This file is not a Turbotax file. Error code: TT404".