If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page. You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

If you receive an email notifying you of unusual activity, you can see when and where your account has been accessed—including successful sign-ins and security challenges—on the Recent activity page. Microsoft learns how you usually sign in to your account and flags events that are suspicious.

Privacy and security. Abuse and spam. My Skype account may be locked or compromised. If you're unable to sign in, the following information may help. What do I do if I think I've been hacked or get the message "Help us secure your account"? Why was my Microsoft Account locked? Learn more about Protecting your online safety, security, and privacy.

Your Outlook.com account might be temporarily blocked because we noticed some unusual sign-in activity. We know that having your account blocked is frustrating, but we also want to protect you from fraud or abuse. Here's how to unblock your account.

You can view all of your recent work or school account sign-in activity, from the My sign-ins page of the My Account portal. Reviewing your sign-in history helps you to check for unusual activity by helping you to see: If someone is trying to guess your password.

This could mean out-of-the-ordinary activity has taken place and Microsoft has taken steps to lock down your account until you can take action. ... If we notice any unusual activity on your account, we will temporarily lock it to help protect you from potential fraud or abuse. Please go to Account has been locked for more information.

If you think your account has been hacked, use our interactive tool to help guide you to the right steps. Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.

Unusual activity. You may be blocked due to unusual activity. Microsoft works to protect you, your accounts, and our services by assessing the trustworthiness and credibility of every sign-in, sign-up, or customer interaction.

If you receive the message “Your account is currently unavailable" when you try to access your OneDrive, your account might have been temporarily blocked due to unusually large traffic volume, suspicious activity, or a violation of the Microsoft Services Agreement or code of conduct.