Get your taxes done using TurboTax

I found another good link, (might be better).  See this chart of tax data files vs PDF files
https://ttlc.intuit.com/turbotax-support/en-us/help-article/data-systems/difference-tax-data-file-pd...

 

See the 7th item - Saved on our secure servers(TurboTax Desktop). It says NO for both the Tax data file and PDF file.