Provides information for avoiding and reporting Microsoft technical support scams.

A phishing email is an email that appears legitimate but is actually an attempt to get your personal information or steal your money. Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you. Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof intelligence in Exchange Online Protection helps prevent phishing ...

Find out how to change your XBOX gamertag through a browser, on your XBOX console, or your Windows device.

These instructions may help with troubleshooting activation by removing all Office license files from your Mac. For example, if you previously installed a one-time purchase of Office for Mac and have switched to Microsoft 365, you may not be seeing subscription features because your copy of Office is still using your old license.

Internet Explorer 11 support ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can open it with Internet Explorer mode in Microsoft Edge.

Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

Support for Windows 10 has ended on October 14, 2025. Learn more about your options for Windows 10.

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead.

Why am I being asked to provide additional consent? There is requirement in your location that requires Microsoft to ask for consent again. Learn more about how to provide additional consent. How to provide parental consent If they have requested your consent, click the link in your email request, sign into your Microsoft account and approve.