如果要选择退出使用 OneDrive 或者想要在更改工作或毕业后删除帐户，可以取消链接 Microsoft 或工作/学校帐户。 有关详细信息，请参阅停止 同步以下所有内容 。

Windows 用の新しい Outlook の概要 新しい Outlook for Windows は、最新の機能、インテリジェントな支援機能、新しいモダンでシンプルなデザインを Outlook アプリに提供します。 スタイルに合わせて調整し、新しい Outlook for Windows でさらに多くのことを行うことができます。

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

更改 Excel 中的列宽或行高 可以手动调整列宽或行高，或者自动调整列和行的大小以适应数据。

Create a presentation in PowerPoint for the web With PowerPoint for the web running in your web browser, you can: Create presentations that include images, videos, transitions, and animations. Get to your presentations from your computer, tablet, or phone. Share and work with others, wherever they are.

If your PC has a built-in camera or a connected webcam, you can use the Camera app to take photos and videos. To find the Camera app, select Start > Camera .

将文档导出为 PDF 是一种在保留文档格式的同时创建文档的可共享副本的便捷方法。 下面是如何在 Word Online 中执行此操作。 以 PDF 格式下载Word文档

Use PowerPoint in a web browser If you have a Microsoft account (hotmail.com, outlook.com, live.com, msn.com) or a Microsoft 365 work or school account, you can view and edit a presentation for free in a web browser. Save the file to OneDrive or Dropbox and use PowerPoint for the web to open it. If you don't already have a Microsoft account, you can create one for free.

如何更改出生日期因当前列出的年龄和需要父母或监护人同意的当地法律而异。 了解如何更改 Microsoft 帐户上的出生日期。

Activation helps verify that your copy of Windows is genuine and hasn’t been used on more devices than the Microsoft Software License Terms allow. There are three methods to which you can activate your product: Online via the internet, by telephone using our automated systems, and by a live support advocate.