If your Outlook.com account has been blocked, you think your account has been hacked, or you're having trouble signing in with your Microsoft account, go to the Microsoft Account Help page.
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Help keep your account secure
Microsoft will never ask you to provide your user name, password, date of birth, country, credit card number, or any other personal information in an email message. If you receive an email message asking you to provide any personal information, it could be a scam designed to gain access to your account. Learn more: Help protect your account.