You can only do 2021 using Turbo Tax. Online is only good for the current year 2024. For prior years you need to buy the Desktop program for each year. They only sell the last 3 years. You have to file each year separately.
How to prepare a prior year return
https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-prepare-a-prior-year-tax-return/00/25...
To do a prior year return you have to buy the Desktop program here,
https://turbotax.intuit.com/personal-taxes/past-years-products
You will need a full Windows or Mac to install it on.
You have to print and mail prior year returns. When you mail a tax return, you need to attach any documents showing tax withheld, such as your W-2’s or any 1099’s. Use a mailing service that will track it, such as UPS or certified mail so you will know the IRS received the return. Don’t forget state.
To do the older years you will have to go to a local tax place or accountant. Or get the blank forms from the IRS and fill them out by hand. If you have a simple return I have IRS links I can post
