Ok ... first you can only file 2019, 2020, 2021 & 2022 to get a refund. I would start there. If you owe on prior tax years the IRS/state let you know.
You can get copies of all your W-2 forms from the SSA for a fee :
https://faq.ssa.gov/en-us/Topic/article/KA-02501
https://www.irs.gov/help-resources/tools-faqs/faqs-for-individuals/frequently-asked-tax-questions-an...
