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Windows camera, microphone, and privacy - Microsoft Support
In Windows 11, ensure that Camera access, Let apps access your camera, and the individual toggle for the Microsoft Store app you wish to use is turned on. If you do not see the app or website you're looking for in the list, it's likely a desktop app. Desktop apps cannot be individually toggled, but access for those apps can be controlled using Let desktop apps access your camera.
Fix microphone problems - Microsoft Support
If you want to give access to desktop apps, make sure that Let desktop apps access your microphone is turned on.You can't turn off microphone access for individual apps. Others can't hear me. Try the following solutions:
Create workbook links - Microsoft Support
Important: Workbook links are considered potentially unsafe and must be enabled when you open a formula workbook.When you open a formula workbook, click Enable Content in the Message Bar to allow the workbook links to function. If you don't, Excel keeps the most recent values and disables refreshing the links with values from the data workbook.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Use Smart charging in Windows - Microsoft Support
Lithium-ion batteries wear out over time, which can result in a battery not holding a charge for as long as it did when it was new. Keeping the battery charged to 100% all the time can cause it to deteriorate faster.
Use Microsoft Teams on the web - Microsoft Support
Find Teams on the web at https://teams.microsoft.com.. To use Teams, you need a Microsoft 365 account with a Business or Enterprise Microsoft 365 license plan. For more information, see How do I get access to Microsoft Teams?. For information about supported browsers for Teams on the web, see Web clients for Microsoft Teams.
Applies To: Microsoft Teams
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
PowerPoint for Windows training - Microsoft Support
Training: Watch and learn how to use PowerPoint in Windows. Explore PowerPoint training guides, articles, and how-to videos.
Applies To: PowerPoint for Microsoft 365, PowerPoint 2021, PowerPoint 2019, PowerPoint 2016, Office for business
Get help with clipboard - Microsoft Support
Using clipboard. When you copy content on your PC, it’s automatically copied to your clipboard for you to paste. You can paste multiple items from your clipboard history, and you can also pin the items you tend to use all the time and sync your clipboard history to the cloud.
Add, turn off, or remove extensions in Microsoft Edge
Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.
使用截图工具捕获截图 - Microsoft 支持
若要捕获视频截图,请打开“截图工具”,选择“ 录制 ”按钮,然后选择“ 新建录制”,或按 Windows 徽标键 + Shift + R。选择要录制的屏幕区域,然后选择“ 开始”。完成后,选择“ 停止”。此时,可以按原样保存录制内容,或在 Clipchamp 视频编辑器中选择“在 Clipchamp 中编辑 ”以使用录制内容。