Hello sori isack,
This is an Epic Games account issue, so Microsoft Q&A cannot recover it.
Please use Epic’s official options:
Recover access to your Epic Games account
Submit an Epic account recovery request
(Disclaimer: This is a non-Microsoft website. The page appears to be providing accurate and safe information. Watch out for ads on the site that may advertise products frequently classified as PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.)