You can update your e-mail address in your account any time.
1. Sign in to your account and click on your name in the upper right-hand corner of your screen.
2. This should bring a drop-down menu, which will give you a brief overview of your account history. You'll want to look to your left, and click on the Account Settings option.
3. After going to your Account Home, you'll want to click on the Email Addresses option, which should allow you to make any necessary updates to your BestBuy.com email address.
You can update your communication preferences in your account any time.
After you submit your preference, please allow up to 10 business days for these changes to take effect.