Using the My Account web site is not required to do your taxes. You can file by mail AND electronically with Netfile without using it at all. Src: https://www.c

Using the My Account web site is not required to do your taxes. You can file by mail AND electronically with Netfile without using it at all. Src: https://www.canada.ca/en/revenue-agency/services/e-services/e-services-individuals/netfile-overview/eligibility.html https://www.canada.ca/en/revenue-agency/services/e-services/... That being said, My Account is a useful, albeit very flawed online tool.