Tutorial 1 - Import data into Excel, and Create a Data Model. Learn how to use Power Pivot, Data Models, and Power View to mash up data and create cool, interactive reports.

Use data validation rules to control the type of data or the values that users enter into a cell. One example of validation is a drop-down list (also called a drop-down box or drop-down menu). Watch more in this video.

Learn how to install Windows 11, including the recommended option of visiting the Windows Update page in Settings.

Describes how to investigate items in an Outlook Data File (.pst) and troubleshoot search issues.

Learn how to add Teams meetings to Outlook calendar using our step-by-step guide. Say goodbye to scheduling headaches and hello to seamless collaboration!

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Use inbox rules to automatically perform specific actions on email messages that come into your inbox.

Use family safety settings to block inappropriate websites and searches on Windows, Xbox and mobile devices.

Get troubleshooting tips to fix problems with apps from Microsoft Store.

即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：