This article explains how to find your own or someone else's Xbox Gamertag. These instructions work regardless of which console you play on.
What your gamertag says about you😈
You can easily find your own gamertag if you have access to your Xbox console, or if you have Windows and are signed in with the same Microsoft account that is associated with your Xbox account.
If you’re signed into a Microsoft console, finding your gamertag and associated email address is a matter of knowing where to look. Turn on your console, navigate to the home screen, and check the home screen.
If you have Windows 11 or 10, launch the Xbox app and click on your gamerpic to open your profile. On this screen, you will see your gamertag directly below your name and gamerscore.