CRA’s NETFILE service is open for tax year 2018.
Auto-fill my return, ReFILE, and T1135 transmission services are open as well.
Tax year 2017, 2016, and 2015 returns: NETFILE and Auto-fill my return services are available to file your tax year 2017, 2016, and 2015 returns.
Tax year 2014 or prior: You need to print and mail your tax returns for tax year 2014 or prior years.
NETFILE hours of operation
When the NETFILE service is open, it's available 21 hours a day, 7 days a week. The service is down the remaining 3 hours a day for maintenance. For more information and updates, visit the CRA’s NETFILE hours of service page.
Note for users of the CD/download edition of TurboTax: When CRA’s NETFILE service opens, you need to update your product to enable the NETFILE functionality.