Do you have the 2018 tax file ending in .tax2018? Yes you need the 2018 Desktop program to open it. If you paid for the Online version you can ask for the 2018 program download. Or buy it here,
https://turbotax.intuit.com/personal-taxes/past-years-products/
Or if you used the Online version you can save it to your computer as a pdf file.
Contact Customer Service
5am-9pm Pacific Time Monday - Friday
https://support.turbotax.intuit.com/contact/
What is the Turbo Tax phone number
https://ttlc.intuit.com/community/using-turbotax/help/what-is-the-turbotax-phone-number/00/25632
