Managing personal Outlook.com account settings, security, and privacy
@Ron Fletcher said
my epic games account got hacked and my Xbox account was unlinked from it.
I am sorry about what happened to you, but you are not going to get any help in the "Outlook" forum. Unfortunately there is no Xbox Q&A forum you can switch to. All I can suggest is:
Xbox Chat Support
https://support.xbox.com/en-US/contact-us