This tutorial provides a link to the passport.net account services page so you can change your Xbox LIVE e-mail to a alternate e-mail while keeping the same xbox live gamertag.
1. Log on to your passport account with your existing Xbox LIVE e-mail address and password.
2. Once you have logged in correctly just click on “account services”.
3. From here you can choose to update or link new e-mail addresses.
- Linked IDs: Link your Windows Live IDs so you can quickly switch between accounts.