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

Although Excel includes a multitude of built-in worksheet functions, chances are it doesn’t have a function for every type of calculation you perform. Custom functions, like macros, use the Visual Basic for Applications (VBA) programming language.

By signing in with a Microsoft account, the new MSN allows you to personalize your experience on MSN.

Need help setting up an Xbox account or signing in to Xbox on your console, PC, or mobile device? This solution will help you sign in or create a new account.

If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.

To create a document, open Word, select a blank document or template, and start typing. Discover professionally designed templates for Microsoft Word.

Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.

Learn how to reset or move OneDrive by unlinking and re-linking your PC.

Learn how to find the serial number on your Surface so you can register your product or request service.

Learn how to shut down, sleep, or hibernate your PC. When you’re ready to make your PC sleep, just press the power button on your desktop, tablet, or laptop, or close your laptop’s lid.