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：

There are a few common scenarios in which Windows running on a PC might be discovered to be non-genuine during validation. Repairs. If your PC has been repaired, you might start to see messages on your desktop that Windows isn't genuine.

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 。

打开这些文件类型的其他方法. 还可以右键单击或双击.eml、.msg或 .oft 文件，以在新版 Outlook 中打开它们。 右键单击

若要能够通过邮件合并批量发送电子邮件，必须已安装 MAPI 兼容的电子邮件程序，例如Outlook 或 Gmail。 以下过程假定你已拥有在 Microsoft Word 中创建并打开要发送的消息。

To get someone's attention in a channel conversation or a chat, @mention them. Just type @ before their name and then select them from the menu that appears.. When an @mention recipient receives a notification, selecting it takes them directly to the point in the conversation where they were mentioned.

要在 Microsoft Edge 中为所有网站设置默认缩放级别，请转到“设置和更多” >“设置” >“辅助功能” ，然后从“页面缩放”下的下拉菜单中选择所需缩放级别。 通过选择缩放级别轻松管理特定网站的缩放级别。. 你还可以在 Windows 中放大文本。 此处所做的更改将应用于设备上的大部分文本。

To help make sure your message gets noticed, mark it as important or urgent. Select Set delivery options underneath the box where you type your message.

通过 Wi-Fi 与其他设备共享 Internet 连接，将 Windows 电脑变成移动热点。 你可以共享 WLAN、以太网或手机网络数据连接。

Notes: This feature needs to be turned on by your IT admin. Also, sending email to a channel isn't available if you're using Teams as part of an Office 365 Government plan.. In the case of email attachments, a unique ID is appended at the end of file name to support retry requests for uploading files with same name.