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Help secure your Microsoft account - Microsoft Windows
Add security information, like alternate phone numbers and email addresses, to your Microsoft account to help verify your identity.
Microsoft account-help
Your Microsoft account is a one stop for all Microsoft partner billing information. Manage all your Microsoft billing accounts in one place - Windows 8, Windows Phone, Xbox 360, Office 365, Azure and more.
Microsoft Online Privacy Notice Highlights
We use the information we collect to provide the services you request. Our services may include the display of personalized content and advertising.
Office Store and SharePoint Store Terms of Use - STORE - Office.com
View the Office Store and SharePoint Store Terms of Use
Get back into your Microsoft account if it's been blocked or hacked - Microsoft Windows Help
Learn how to recover a hacked account, what to do next, and how to prevent your account from being hacked in the future.