TurboTax does not keep a copy of your W-2. The programs utilize only the pertinent information from your W-2 and do not save, or even have access to, most W-2s. The TurboTax FAQ I'm linking below may help explain.
How can I get a copy of my W-2?
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***