After you file

I checked my "Online" test account...(that goes back to 2013)

 

Right now only 2017 and later PDF files are available.

....so now they must be including 2023 in that 7-count.

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I can still get each .taxyyyy datafile back to 2013, but unless someone has the desktop software already installed MANY years ago, they wouldn't be able to open it now .

____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*