I can't hit the file button. it doesn't show on the last page.

You can use the Find button in TurboTax to search for NETFILE. This will take you to the "Filing your Return" step.

Here is a great FAQ that shows you how to submit your tax return to CRA using the NETFILE service:

https://turbotax.community.intuit.ca/community/federal-taxes-netfile/help/in-the-online-edition-of-turbotax-how-do-i-submit-my-tax-return-to-cra-using-the-netfile-service/00/873715