Microsoft have cleaned up the forums, and merged some forums (That were not actively used) into others. More information can be found through this link here:
Hope this helps,
Volunteer Moderator | Xbox Ambassador | Article Author | Windows & Xbox Insider
In the top right corner of my Xbox it shows an old email I don't want on there and yes I changed the billing and Microsoft email but I can seem to get rid of that old one appearing but when I sign in to my Microsoft account it's still the old email so that
might be the problem anyone know how to change the sign in email for Microsoft accounts?