This article explains how to use web parts on SharePoint Online pages.

扩展或加载项是自定义浏览器体验并为你提供更多控制权的简单工具。 下面介绍如何在 Microsoft Edge 中添加、关闭和删除扩展或加载项 。

Discover how to convert numbers into English words in an Excel spreadsheet using the SpellNumber sample function.

Change time zones, view a second time zone, and learn how Outlook saves meetings that span multiple time zones.

This article explains how to zip and unzip files.

了解 Windows 中的恢复选项。 查明如何重置电脑、回退到以前版本的 Windows 或使用介质重新安装 Windows。

Summary. This security update makes improvements to Secure Boot DBX for the supported Windows versions listed in the "Applies to" section. Key changes include the following:

After launching an Office app, you might receive a message that says Get genuine Office.. If you see this, we've determined that the Office product installed on your device isn't legitimate and you may be a victim of software counterfeiting.

Discover the benefits to co-authoring documents in your organization and learn about versioning, checkin/checkout, and mixed Office environments.

Erfahren Sie, wie Sie feststellen, welche Version des Windows-Betriebssystems auf Ihrem PC ausgeführt wird und welche Gerätespezifikationen vorliegen.