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Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
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
Microsoft Support
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.
"There was a problem when resetting your PC. No changes were made ...
Once that's completed, reboot your system, and attempt to Reset this PC again.
Update Microsoft Teams - Microsoft Support
When an update is available in the Teams desktop app, it'll appear at the top of your Teams window. To update, select Update > Update and restart Teams .. Teams will automatically close and update.
Applies To: Microsoft Teams
修复 Windows 中的蓝牙问题 - Microsoft 支持
如果上述步骤都不能修复你的蓝牙问题,请使用 Windows 反馈中心报告错误。 这可帮助 Microsoft 确定此问题的根本原因。
在 Windows 中管理用户帐户 - Microsoft 支持
Windows 允许添加多个用户帐户以使用同一设备,使每个用户都有自己的设置、文档和应用程序。 例如,家长可以拥有自己的具有管理权限的帐户来管理设置和安装软件,而孩子可以拥有启用了家长控制的标准帐户来监视和限制其使用情况。
Record a meeting in Microsoft Teams - Microsoft Support
Notes: Meeting recordings won't capture whiteboards, annotations, shared notes or content shared in the stage view by apps, and also won't include videos or animations embedded in PowerPoint Live presentations.
Applies To: Microsoft Teams
Show, hide, and view the Bcc (blind carbon copy) field in Outlook for ...
Know your limits Many email service providers set limits for the number of names that can be included in the To, Cc, and Bcc boxes in a message. For example, your email service provider may limit each message to a maximum of 100 email addresses. If these addresses are distributed among the To, Cc, and Bcc boxes, remember that the names in the Bcc box will count toward your total limit.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, New Outlook for Windows
Add page numbers to a header or footer in Word - Microsoft Support
Add page numbers to an existing header or footer in Word. Use the Tab key to position the page number left, center, or right. If the number is flush left, press Tab once for center, and twice for right.
Applies To: Word for Microsoft 365, Word for Microsoft 365 for Mac, Word for the web, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016