With your form W-2 you have the option to either take a picture via the mobile app, import or manually enter the Form. See the FAQ's below for instructions:
Taking a picture via the mobile app:
https://ttlc.intuit.com/replies/4875306
How to import your W-2:
https://ttlc.intuit.com/replies/3389204
How to manually enter your W-2:
https://ttlc.intuit.com/replies/4951437
