Yes, you can click the Back button and change your information.
Just to be clear, once you NETFILE or mail your return to the CRA you can no longer make changes in TurboTax (you'd have to follow the process to make an amendment).
Please post back if you have any other questions!
You can also find answers to questions on our support site: https://support.turbotax.intuit.ca/
Jacquelyn
