Learn how to change the email address or phone number that’s associated with your Microsoft account.

To play a recorded meeting in Microsoft Teams, go to the chat history of the meeting and click Play.

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

Get more out of your email with Outlook.com. We've streamlined search to make it easier than ever to find what you're looking for. New features like Files and attachment previews let you see your pictures and files without leaving your inbox.

Having a backup copy of your BitLocker recovery key helps to prevent serious issues later. It takes less than a minute to back up your key and this article will show you how.

How to access and change the privacy settings in Windows 10 and 11.

Learn how to use eye control in Windows to type with an on-screen keyboard, communicate with people, and control the mouse with your eyes.

了解如何使用 PIN、面部识别或指纹通过 Windows Hello 登录电脑。

If you see a gray OneDrive icon, this means you are not signed in. If you cannot sign in to your OneDrive sync app, or the sync app says OneDrive is not connected, follow the steps below.

Microsoft Authenticator is a free app that helps you sign in to all your accounts without using a password - just use a fingerprint, face recognition, or a PIN.