I have 2 t4 papers to file one of the 2 t4 papers let me Netfile the other one didn't and still wont let me
You can only file one tax return, so if you have 2 T4 slips, you need to put them both on the same return.
This TurboTax Canada FAQ tells you how you can adjust your return using ReFile: I've filed my tax return. Can I still make changes?
You can login to TurboTax Online 2024 and ReFile your return here: https://ww1.2024.ca.turbotaxonline.intuit.com/signout?_swlg=en