There's still time to file your Utah return and receive any refund you many have coming. As DanP0428 indicates above, you can still file your Utah return, but you can’t file it electronically.
Please see the TurboTax Help article Can I prepare and file just my state return using TurboTax? for guidance in filing last year's state return.
According to the 2020 TC-40 Utah Individual Income Tax Instructions:
To qualify for a refund or credit, you must file a return within:
The original return due date for your 2020 Utah return was April 15, 2021.
