在Windows，将相机和麦克风作为设备的一部分，Teams视频呼叫、拍照、录制视频等。 许多应用和服务都会请求并使用摄像头或麦克风，而 Windows 设置让你控制哪些应用可使用你的摄像头或麦克风。

Use wildcard characters as comparison criteria for text filters and when you're searching and replacing content. These can also be used in the Conditional Formatting rules that use the "Format cells that contain specific text" criteria.. For more about using wildcard characters with the Find and Replace features in Excel, see Find or replace text and numbers on a worksheet.

Unplug the network cable from the back of your console. Inspect the cable’s connector and the Xbox console’s socket to make sure that they are clean and free of debris.

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

某些帐户是使用当前日期而不是出生日期创建的 - 这出人意料地很常见，我们正在努力防止帐户创建错误。 如果你是成年人，但帐户的出生日期不正确，则需要像更改孩子一样更改帐户信息。

Some accounts have been created using the current date instead of a birth date - it's surprisingly common, and we are working to prevent account creation errors.

Efficiency mode What is efficiency mode in Microsoft Edge? Efficiency mode is designed to help extend battery life. It minimizes power usage by reducing resource usage through modifying background tab activity and some foreground activity, as well as putting inactive background tabs to sleep after 30 minutes or less of inactivity (if Save resources with sleeping tabs is on).

在 “选择默认签名”下，设置以下选项。. 在 “电子邮件帐户 ”下拉框中，选择要与签名关联的电子邮件帐户。 可为每个邮件帐户设置多个签名。 可以将签名自动添加到所有新邮件。 在 “新建邮件 ”下拉框中转到 ，然后选择其中一个签名。 如果不想自动向新邮件添加签名，请选择“ (无) ”。

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 。