Back up your folders with OneDrive - Microsoft Support
Set up PC folder backup. Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help & Settings icon then Settings.). Open OneDrive settings (select the OneDrive cloud icon in your notification area, and then select the OneDrive Help and Settings icon then Settings.)
Applies To:
OneDrive for Business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
Learn about performance features in Microsoft Edge
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).
Applies To:
Microsoft Edge
Free up space for Windows updates - Microsoft Support
Windows 10 updates provide the latest features and security improvements to help keep your PC more current and more secure. Before the installation process starts, Windows checks to make sure there’s enough storage space on your device for the installation process and for these new features and security improvements.
Windows 11 中的节能设定 - Microsoft 支持
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：
在 Windows 上使用 OneDrive 同步文件 - Microsoft 支持
注意: 如果已将 工作或学校 OneDrive 同步到计算机（使用的是以前的同步应用）并且只安装了 同步应用，则在 OneDrive 安装期间，将不会看到“这是你的 OneDrive 文件夹”或“同步你的 OneDrive 中的文件”屏幕。同步应用 将自动接管在之前使用的相同文件夹位置中进行的同步。
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, OneDrive (work or school), Office.com, OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
OneDrive 图标的含义是什么？ - Microsoft 支持
如果在通知区域中的 OneDrive 云图标上看到一个带有信息字母“i”的蓝色圆圈，则表示有关于如何最好地使用 OneDrive 或通知你有关新功能或未使用功能的新消息。
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
在 Microsoft Teams 中录制会议 - Microsoft 支持
了解如何录制 Teams 会议。 捕获音频、视频、屏幕共享活动，并对Microsoft Teams 中的录制内容进行故障排除。
Applies To:
Microsoft Teams
Outlook 数据文件（.pst 和 .ost）简介 - Microsoft 支持
注意：在早期版本的 Outlook 中，IMAP 帐户还使用了 Outlook 数据文件 (.pst) 。在 Outlook 2016 和 Outlook for Microsoft 365 中，IMAP 帐户使用脱机 Outlook 数据文件 (.ost) 。 还可以使用 Outlook 数据文件 (.pst) 从任何类型的电子邮件帐户备份或导出项目。
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
与我们联系 | Xbox Support
需要有关 Xbox 主机、Xbox 游戏或 Xbox 网络的帮助?了解如何与我们联系。
光敏性癫痫警告 | Xbox Support
极小部分人可能会在看到特定视觉图像（包括可能出现在视频游戏中的闪烁效果或图案）时出现癫痫症状。甚至没有癫痫史的人也可能具有一些可能会在玩视频游戏时导致“光敏性癫痫发作”的未确诊症状。