Aide et apprentissage de Windows
Trouvez de l’aide et des articles pratiques pour les systèmes d’exploitation Windows. Bénéficiez d’un support pour Windows et en savoir plus sur l’installation, les mises à jour, la confidentialité, la sécurité et bien plus encore.
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.
Snap your windows - Microsoft Support
The Snap feature is a great way to improve your productivity by sharing many app windows in a single screen. Different layouts are available with many sizes to choose from, so you can get the most from your favorite apps when you are working on specific tasks.
Sign-in options in Windows - Microsoft Support
The sign-in options in Windows serve various purposes to enhance your user account security and sign in convenience. You can access the sign-in options from the Settings app.
Whiteboard help & learning
Get help with your questions about using Microsoft Whiteboard with our how-to articles, tutorials, and support content.
Microsoft PC accessories help & learning
Get expert help, training, and support for your Microsoft PC accessories with easy access to resources and guidance.
RAND function - Microsoft Support
=RAND()*(b-a)+a. If you want to use RAND to generate a random number but don't want the numbers to change every time the cell is calculated, you can enter =RAND() in the formula bar, and then press F9 to change the formula to a random number. The formula will calculate and leave you with just a value.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2024, Excel 2024 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016
Import or export contacts in Outlook - Microsoft Support
Note: If the file doesn't have UTF-8 encoding, the import tool may not recognize and display all text correctly.The import tool will then show you some example contacts from your file, and you can check that the text is readable and correct. If the text is not displayed correctly, select Cancel.You will need a file in UTF-8 encoding to continue.
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, Outlook on the web, Outlook.com, New Outlook for Windows
Microsoft Store & billing help
Explore Microsoft Store services From free shipping and returns to our 60-day price protection, we’re here to help you do more with best-in-class devices, software, games, and resources.
在Microsoft Edge 中管理Cookie:查看、允许、阻止、删除和使用
如果你不希望第三方站点在你的电脑上存储 Cookie,则可以阻止 Cookie。 但是执行此操作可能会导致某些页面无法正确显示,或者可能会从站点收到一条消息,通知你需要允许 Cookie 才能查看该站点。
Applies To:
Microsoft Edge