Get help for the account you use with Microsoft and learn how to set up, protect and manage your services and subscriptions.

Learn about what effect closing a Microsoft account might have on your other apps and services.

Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.

Summary. Windows 11, versions 22H2 and 23H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 11, version 23H2 are included in the latest monthly quality update for Windows 11, version 22H2 but are in an inactive and dormant state.

Saiba como instalar o Office 2013 no PC ou no Office para Mac 2011.

使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。

Contact groups, or distribution lists, are a fast way to send a message to multiple email recipients, especially groups you repeatedly contact.

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.

Many users find that using an external keyboard with keyboard shortcuts for Excel helps them work more efficiently. For users with mobility or vision disabilities, keyboard shortcuts can be easier than using the touchscreen and are an essential alternative to using a mouse.

Erfahren Sie, wie Sie die neuesten Windows erhalten, damit Ihr Gerät reibungslos und sicher ausgeführt wird.