How To Add, Remove, or Change Primary Email Address on Facebook
When you create a Facebook account, you can enter a contact email address to receive notifications. If you no longer use the email address that you entered when you created your account, you can swap it for another one at any time. Modifying your...
8 Jan 2020 ... When you create a Facebook account, you can enter a contact email address ... as the primary address on the General Account Settings page.