Enter any Xbox Gamertag in the search box above to an available xbox live gamertag or any Xbox Live gamer profile. This gamertag search engine shows any. Office for students · OneNote in classroom · Shop PCs & tablets perfect for students · Microsoft in Education · Support. Sign in. items in cart 0. Search Microsoft. The question still stands though: how do you search for a gamertag if you dont have the complete one? Theres gotta be a way. Seems odd that.