Can you explain more? Do you know them? If you let them use your online account then their return return overwrote your return. Or you are in the wrong account.
How to view all your accounts
https://ttlc.intuit.com/turbotax-support/en-us/help-article/account-management/many-intuit-accounts-turbotax/L9aVfKS1Z_US_en_US?uid=ll5g6zcx
It's common to end up with multiple accounts. First LOG OUT of whatever TurboTax account you're logged into right now. Then use this TurboTax account recovery website to get a list of user ID's for an email address. Run the tool against any email addresses you may have used
https://myturbotax.intuit.com/account-recovery/
If you used the Desktop CD/Download program then the only copy is on your computer and not saved or stored online.
Several tax returns from yrs 2019-2022 by different accountants/tax preparers unknown to me, from a city or around that city where I lived 10 years ago (one accountant was mine from 12 years ago).
Exactly what are you seeing? Are they pdf files or .tax files? Where are they on your computer? Did you buy a used computer? Or are you seeing them when you log in to your Online account?
Maybe call in tomorrow when the open. How to contact Turbo Tax
https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-contact-turbotax/00/26991
What is the Turbo Tax phone number
https://ttlc.intuit.com/community/using-turbotax/help/what-is-the-turbotax-phone-number/00/25632