My Xbox 360 and Xbox One Gamertags are separate - Microsoft Community

Two gamertags - Microsoft Community

How to Change Your Gamertag on an Xbox One in a Few Simple Steps

Xbox One 500 GB Console - Black [Discontinued] : Video Games

How to Change Your Xbox Gamertag in 3 Steps (with Photos) - History-Computer

How To Change Your Xbox Gamertag FOR FREE

Xbox now lets you choose any gamertag even if it's already taken – how to change your name today

There is a way around the new gamertag systems character cap, if you change your gamertag on 360 it allows 15. : r/xboxone

How to Create an Xbox Account

I can't be the only one that thinks this is a little unnecessary. : r/xbox

How to change your Xbox Gamertag - Android Authority

Gamertag Lookup: Find the Tag You're Looking For