2017 says i did not file 2016 which i did

Many people have multiple TT accounts and forget how to access them.  Log out of the account you are in now.

Account recovery

https://myturbotax.intuit.com/account-recovery/

https://ttlc.intuit.com/questions/1901535-forgot-your-turbotax-user-id-or-password 

Or did you use the desktop version of TurboTax?  If so, the files are on your own hard drive or any backup device you used like a flashdrive.

https://ttlc.intuit.com/questions/1901486-how-many-turbotax-accounts-do-i-have

https://ttlc.intuit.com/questions/1901535

https://ttlc.intuit.com/questions/3791660-find-your-tax-data-file-on-your-computer-in-windows