在最新版本中，我们改进了性能和电池优化。 如果你看到异常的电量消耗，请尝试将应用更新到最新版本。 如果你在更新后仍遇到电池消耗问题，请向我们发送反馈。

View more Microsoft account help topics. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.

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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).

Microsoft Edge 是唯一一个允许你直接在网页上做笔记、书写、涂鸦和突出显示的浏览器。 然后，你可以按所有常用方式保存和共享你的作品。

Choose the required access permission for the selected extension: When you click the extension: This setting only allows the extension to access the current site in the open tab or window when you click the extension.If you close the tab or window, you’ll have to click the extension to turn it on again.

Press and hold (or right-click) the MP4 file you want to play, select Open with, and then choose your preferred file player from the list of applications.

获取有关如何在 Microsoft Edge 中查看 Cookie 的步骤。

使用 Windows IME 键盘进行键入和墨迹书写时，可能会收集数据以改进语言识别和建议功能。 若要在 InPrivate 和普通浏览窗口中使用 Windows IME 键盘时停止墨迹书写和键入数据，请转到 Windows 设置 > 隐私 & 安全> 墨迹 & 键入个性化。

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