Support for Office 2021 will end on October 13, 2026. Learn more about your options for Office.

Alpha Skip-Ahead Ring (2610.260825-2200) Hey XBOX Insiders! We are releasing a new XBOX Update Preview to the Alpha Skip-Ahead ring today. Continue reading below to learn all about what's included with this update.

Omega Ring (2608.260803-2200) Hey XBOX Insiders! We are releasing a new XBOX Update Preview to the Omega ring today. Continue reading below to learn all about what's included with this update.

If after setting up Outlook you run into trouble sending or receiving email, the cause could be a licensing issue, a profile problem, the wrong version of Outlook, or a mixture of other issues. Fortunately, there are several Microsoft Outlook troubleshooters that can be used to try and fix the problem.

年龄保证在 XBOX 上意味着什么 如果你居住的地方需要年龄保证，但未验证你的年龄，则在你验证年龄之前，你的主机、电脑和 XBOX 应用中的某些内容和功能可能会受到限制。

Project Online Professional or Project Online Premium: If you have a subscription to one of the cloud-based solutions of Project you won't see an option to install it unless you have an assigned license. If you're the Microsoft 365 admin responsible for assigning licenses, see Assign licenses to users.

If you can't sign into your Microsoft account, use the sign-in helper to identify the problem. How to use the Microsoft account sign-in helper The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide. If it detects a problem with your account, we'll tell you what you need to do to solve the problem. If the tool ...

Windows 11, version 26H1 enables the next generation of silicon¹ and hardware innovation, making it possible for the PC ecosystem to bring you Windows devices with exceptional performance and battery life. Windows 11, version 26H1 includes the same features introduced with the Windows 11 2025 Update (also known as Windows 11, version 25H2). It is not designed to be offered or installed on ...

How do I repair an Outlook .pst data file? How do I repair Microsoft 365 from Control Panel? Give me a quick list of how to repair Outlook Data Files.

Learn how to upgrade or downgrade your XBOX Game Pass or EA play subscription level.