Security Note: Outlook accepts a wide variety of different file types, but blocks potentially unsafe attachments (including .bat, .exe, .vbs, and .js files) that can contain viruses. Even with Outlook attachment protection, be careful in opening any attachment, especially if it’s from someone that you don’t know or trust.

汇报默认屏幕和睡眠设置现在可帮助你更高效地使用能量并延长电池使用时间。 可以在 Windows 11 中找到效率设置 >系统 > 电源 & 电池。. 有关每个电源和电池设置如何提高设备性能的引导式演练，请单击按钮打开“获取帮助”应用：

将必应作为默认搜索引擎，将增强在 新版 Microsoft Edge 中的搜索体验，包括直接指向 Windows 应用的链接、来自组织的相关建议（如果使用工作或学校帐户登录），和有关 Windows 的问题的即时解答。 但是，你可以将默认搜索引擎更改为使用 OpenSearch 技术的任何站点。

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).

What is a security key? We currently support several designs and providers of security keys using the Fast Identity Online (FIDO2) passwordless authentication protocols. These keys allow you to sign in to your work or school account to access your organization's cloud-based resources when on a supported device and web browser.

Tip: If you want to bypass File > Open and always use the Open dialog box, do this: Select File > Options > Save, and then select the Don’t show the Backstage when opening or saving files check box. Then, close and reopen any open Office applications. Note that this change only affects what you see when you press CTRL+O to access the Open Files dialog box.

Improve your meeting organization and effectiveness with meeting notes in Teams. Add agendas, notes, and tasks that can be viewed and edited by participants directly in Teams, with the option to share and edit them in Office.com. Optimize your meeting experience by editing notes before or after the meeting from your Teams Calendar or web browser.

Note: Airplane mode retains the settings you used last time.When you turn on airplane mode, Windows remembers if you had Wi-Fi or Bluetooth on last time, and keeps that setting so your Wi-Fi or Bluetooth will be on again.

儿童模式是专为孩子设计的Microsoft Edge便利浏览模式。 借助适合儿童的功能和安全防护栏，儿童模式是儿童安全浏览 Web 的一个不错位置。

浏览器会自动保存临时 Internet 文件，以帮助加快页面加载速度。 清除此项缓存有时可以解决页面显示问题。 如果可以打开 Microsoft Edge，请选择“设置及更”“多” > “历史记录” >“清除浏览数据”。 在“时间范围”下选择“所有时间”；选择“浏览历史记录”和“缓存图像和文件”，然后选择 ...