获取有关 Windows 安全的帮助; 在 Microsoft Edge 中查看和删除浏览器历史记录; 删除和管理 Cookie; 重新安装 Windows 时安全移除有价值的内容

Your Microsoft account dashboard is where you can manage your personal information and security settings, keep tabs on your subscriptions and order history, and manage your payment and billing options.

The CONCAT function combines the text from multiple ranges and/or strings, but it doesn't provide delimiter or IgnoreEmpty arguments.

Aprenda a restablecer o cambiar la contraseña de su cuenta Microsoft. Obtenga ayuda con una contraseña de cuenta de Microsoft olvidada.

Wenn Ihr Kauf von Office oder Microsoft 365 mit einem Product Key verbunden war, geben Sie Ihren Product Key auf einer der Websites ein, die nachstehend für Ihr Produkt aufgeführt sind.

Prøv disse løsninger, hvis du ikke kan logge på din Outlook.com-, Hotmail-, Live- eller MSN-mailkonto, eller hvis du ikke er sikker på, hvordan du logger på eller af.

Learn how to use voice access for accessibility. This page includes accessibility help articles for people who use Windows voice access to control their PC and author text using their voice.

Add-ins provide optional commands and features for Microsoft Excel. By default, add-ins are not immediately available in Excel, so you must first install and (in some cases) activate these add-ins so that you can use them. Some add-ins are built in to Excel, such as Solver and the Analysis ToolPak. Some other add-ins are available from the Download Center, and must first be downloaded and ...

Learn how to change your notification settings and quick actions using the notification center in Windows.

Choose to be notified by Xbox message, SMS/Text notification, or both with the details on the form that appears. Select Submit . After you’ve received notification that the service has been restored, try to connect to the Xbox network again.