Camera doesn't work in Windows - Microsoft Support
Test your camera with the Camera app. Select Start , then choose Camera from your apps. If you're asked to allow access to the Camera, select Yes.If the camera works in the Camera app, the problem might be with the app you're trying to use.
Media Feature Pack list for Windows N editions
Windows 11 N: Select the Start button, then select Settings > Apps > Optional features.. Select View features next to Add an optional feature, and then select the Media Feature Pack in the list of available optional features.
Skype help & learning
Get help and learn how to use Skype with Microsoft's official support page.
Add or remove line numbers - Microsoft Support
Word can automatically count the lines in a document and display the appropriate number beside each line of text. This is useful when you need to refer to specific lines in a document, such as a script or a legal contract.
Applies To: Word for Microsoft 365, Word 2021, Word 2019, Word 2016, Word 2013
Use slicers to filter data - Microsoft Support
Use slicers to quickly filter data in Excel. 1. A slicer header indicates the category of the items in the slicer. 2. A filtering button that is not selected indicates that the item is not included in the filter.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Verwendung von Remotedesktop - Microsoft-Support
Hinweis: Während auf einem Remotedesktopserver (dem PC, zu dem Sie eine Verbindung herstellen) eine Pro Edition von Windows ausgeführt werden muss, kann auf einem Clientcomputer (dem Gerät, von dem aus Sie eine Verbindung herstellen) eine beliebige Edition von Windows (Pro oder Home) oder sogar ein anderes Betriebssystem ausgeführt werden.
File formats that are supported in Excel - Microsoft Support
You can save an Excel file in another file format by clicking the File > Save As.The file formats that are available in the Save As dialog box vary, depending on what type of sheet is active (a worksheet, chart sheet, or other type of sheet).
Applies To: Excel for Microsoft 365, Excel 2021, Excel 2019, Excel 2016
Add a hyperlink to a slide - Microsoft Support
Add a hyperlink that links to a place in the same presentation, a different presentation, to a web page or site, a new file, and even an email address.
Applies To: PowerPoint for Microsoft 365, PowerPoint for Microsoft 365 for Mac, PowerPoint for the web, PowerPoint 2021, PowerPoint 2021 for Mac, PowerPoint 2019, PowerPoint 2016, PowerPoint for iPad, PowerPoint for iPhone, PowerPoint for Android tablets, PowerPoint for Android phones, PowerPoint Mobile
IFERROR function - Microsoft Support
Examples. Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App
修复麦克风问题 - Microsoft 支持
如果麦克风功能出现问题,则以下信息可以帮助你排除故障和解决问题。 确保应用有权访问麦克风. 如果在更新 Windows 10 后未检测到麦克风,则表示你可能需要先授予应用相关权限才能使用它。