I want copies of returns for 2018 Federal Personal and 2018 California Personal , confirmed by turbotax in an email to me as transmitted April 13, 2019

[xmasbaby0]

TurboTax does not email your returns to you.  You need to print them out for yourself.

PRINT RETURN   You need to print a copy of your return?  Sign in to your account using exactly the same account and user ID that you used to prepare your return.
On the bottom of the screen find Your tax returns & documents and click on Show.  Click on the Year and Click on Download/print return (PDF 

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https://ttlc.intuit.com/questions/1912544-how-do-i-save-my-2018-turbotax-online-return-as-a-pdf