You need a Microsoft account to sign in to your Windows pc, Xbox console, or any of Microsoft’s products and services, including Office, Outlook.com, OneDrive, Xbox Live, Microsoft 365, Family Safety, Skype, Bing, Microsoft Store and MSN.

Go to the Microsoft account sign-in page at https://account.microsoft.com and enter your email address. If you see a message that says "We couldn't find an account with that username." or "That Microsoft account doesn't exist", then the address you entered is not a Microsoft account. If you believe it should be:

Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.

You can use a Microsoft account, or a work or school account to sign into your Windows device. Get help for Windows Hello, PIN reset, or adding new accounts to your PC. Manage accounts in Windows. Learn more about managing and securing the account you use to access your work or school email and files, and other web resources in your organization.

Learn how to get Microsoft account help, troubleshoot sign in issues, keep your account secure, and manage your Microsoft account dashboard.

You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info. For answers to common questions, including how to get back into a compromised account and secure or close it, see What is the Recent activity page?

Add, remove or update an email address or phone number. If you want to make changes to the email addresses or phone numbers associated with your Microsoft account, use our guided support tool below to help you update the right information in the right way.

When you sign up for a Microsoft account or add an email address to your account, we automatically send a request to that email for you to verify that we have the right address. To finish the process, just follow the verification link in the email.

When your old email address or phone number doesn't suit you anymore—but you want to retain your contacts, online storage, subscriptions, and settings—you can add a new email address or phone number as an alias to your existing Microsoft account.

A Microsoft account gives you access to Microsoft products and services with just one login. Notes: You can either use an email address you own as a Microsoft account, or create a new address by choosing "Get a new email address" or "Use your email instead" when you sign up.