Xbox allows players to change their gamertags. If someone changed their name recently, searching for their old one will result in a "Player Not Found" error.
| Use Case | Best Option | |----------|--------------| | Find a friend | Official Xbox app/site | | Check your own profile | Xbox console or mobile app | | Compare achievements | TrueAchievements / Exophase | | “Who viewed me” or email lookup | | xbox gamertag lookup