For 2023?
Sorry it's too,late to start a 2023 or prior online return or use the mobile app, either on Turbo Tax or the IRS. And too late to efile 2023.
If you need to do 2023 or prior you can buy the Desktop download here,
TurboTax 2022 Prior Year Tax Prep - File Past Years' Taxes
You will need a full Windows or Mac to install it on.
If you have a simple return and want to file for free you can fill out the forms by hand. Here are some basic forms.....
Here is the 2023 1040 return
https://www.irs.gov/pub/irs-prior/f1040--2023.pdf
or if you want bigger type use 1040SR for Seniors,
https://www.irs.gov/pub/irs-prior/f1040s--2023.pdf
2023 1040 Instructions
https://www.irs.gov/pub/irs-prior/i1040gi--2023.pdf
2023 EIC and Tax Tables
https://www.irs.gov/pub/irs-prior/i1040tt--2023.pdf
Schedules 1-3
https://www.irs.gov/pub/irs-prior/f1040s1--2023.pdf
yes for 2021 through 2023. for each you would need the desktop app and file by mail
https://turbotax.intuit.com/personal-taxes/past-years-products/2021/
https://turbotax.intuit.com/personal-taxes/past-years-products/2022/
https://turbotax.intuit.com/personal-taxes/past-years-products/ (2023)
do the earliest year first, certain data will transfer when you do this and then when you start the next year click new return. then allow transfer of prior year data.