Facebook Guide: How to Add or Remove an Email Address

Tap your profile picture in the top-right corner. Select Settings and privacy, then choose Settings.

Open the Accounts Centre from Settings. Go to Personal details and select Contact info.

Tap Add new contact, then choose Add email address. Enter your email, select the account and tap Next.

Check your inbox for Facebook’s confirmation code. Enter the code, tap Next and then Close.

Select the email under Contact info and tap Delete email. Confirm the deletion. You may need to enter your Facebook password.

Remove the old address before adding the new one. You can also manage your primary email and control who can see it.