The E-file portal is available for the current tax filing year (i.e. Dec. 2021 to Oct 31st 2022).
Note: As of May 1, 2020 due to security reasons we will no longer be supporting Window 7, 8 & 8.1.
As of May 1, 2020 we will support Window 10 only
Window 11 will be supported in the 2022 tax season
Efile trouble shooting - How to Efile