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MS ID | Windows Phone (United States) - The Smartphone Reinvented ...
Getting down to one. A Microsoft account (formerly Windows Live ID) is the email address and password you use to sign in to all sorts of Microsoft devices and ...
What to do if you believe your Windows Phone account has been stolen
Explains what to do if you believe your Windows Phone account has been stolen, and provides a checklist for making sure that your account information stays secure.
Can't add Microsoft account during initial setup of Windows Phone 8
Explains an issue with the Windows Phone 8 initial setup where you can’t add your Microsoft account. Provides steps to resolve the problem.
Sign in with a Microsoft account | Windows Phone How-to (United States)
Learn how to sign in on your Windows Phone with a Microsoft account.
Which Microsoft account should I use? | Windows Phone How-to (United States)