You're posting from online whereby Turbitax stores a copy on its servers. However, if you used desktop software to prepare that return, Turbotax does not have a copy. The only copy of the .tax 20xx file was on your laptop unless you made a copy and stored it offline. you can get a transcript from the IRS for free using its online site. you'll probably need to set up an ID.ME account trough that or for $43 you can file form 4506 to get a full copy which takes about 75 days.
https://www.irs.gov/pub/irs-pdf/f4506.pdf
to save yourself in case of computer crashes you first should save a PDF copy on your computer and then a copy of the .tax2xxx and pdf offline like on a thumb drive or even the cloud if you trust the security of the cloud account.
