This helps protect your account with our 2FA and makes it easier for Player Support to assist you in the event of any suspicious activity with your account.
Losing access to your email could prevent you from accessing or recovering your Epic Games account in the future.
You can find more information about enabling 2FA on those accounts here. These services also support 2FA, and 2FA increases the security of your Epic account. We currently support email, SMS, and app-based 2FA.
Two-Factor authentication allows you to require a code from a device you own before you can log in, this makes it much more difficult for someone to gain unauthorized access.