If you used desktop software downloaded / installed from a CD then the tax files were only stored on the hard drive of that computer or any back up device you used. They are not stored online.
You can get a free transcript from the IRS or for a fee of $50, an actual copy.
https://www.irs.gov/individuals/get-transcript
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
