Hello,
How did you file your return? By mail or by using NETFILE? If you used NETFILE, go back into TurboTax to the File section and make sure you got a six digit confirmation number - that's how you know if you successfully filed your return.
Here's some additional information, including how to check with CRA's My Account: https://support.turbotax.intuit.ca/turbotax/en-ca/faqs/How-do-I-check-the-status-of-my-tax-return-or...
