With WebTax4U.ca you can file, re-file, or view in details your prior tax returns from tax year 2007 to 2020. Please note that CRA only supports NETFILING prior year returns from tax year 2017. To file a prior year return before 2017, you have to download, print, and submit it by mail. If you are a returning user, just login with the username and password that you registered before. For a new user who wants to file a prior year return, you have to register a new account (username & password) by clicking New User Register at the login page. The service before 2015 is completely free without any restrictions. Tax year 2020 Tax year 2013 Tax year 2019 Tax year 2012 Tax year 2018 Tax year 2011 Tax year 2017 Tax year 2010 Tax year 2016 Tax year 2009 Tax year 2015 Tax year 2008 Tax year 2014 Tax year 2007 Note: Due to the service maintenance, not all of prior year links above are active all the time. If it's not available, please contact us via email at support@macront.com and do not forget to provide the tax year, date, and time (EST) you want to file. Fast - Efficient - Reliable - Secure - Easy to Use