Tax Year Prior to 2020: E file

Hello, after i finished filing my w2 they asked for something to confirm my identity from something on my old w2 which I did not have so they asked for my state id numbers front and back and they send 1090 w2 to my email and told me to send the paper out in the mail or said I can Still do it online and told me to look in the file section of the app but I do not see it .... my question is ... is my taxes okay or do I still Need to mail out the 1090