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.
Résoudre les problèmes de mise à jour de Windows
Le temps nécessaire au téléchargement et à l’installation d’une mise à jour dépend de la vitesse de connexion, des paramètres réseau et de la taille de la mise à jour. Si l’installation reste bloquée au même pourcentage, essayez de vérifier à nouveau les mises à jour ou d’exécuter le Utilitaire de résolution des problèmes de Windows Update.
Video: What is Access? - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Applies To:
Access for Microsoft 365, Access 2021, Access 2019, Access 2016
Microsoft 365 和 Office 2021 之间的区别是什么？
一次性购买 （示例：Office 小型企业版 2021）. Microsoft 365 订阅 (示例： Microsoft 365 家庭版 或Microsoft 365 个人版) 成本. 支付一次性成本。 每月支付少额费用，或支付年费以节约成本。
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office.com
关于在中国使用荣耀、Samsung 和 OPPO 手机设置连接到 Windows 并对其进行故障排除
本文中的信息仅在中国提供。 我们很高兴地向你推出荣耀、三星和 oppo 特定设备上的“手机连接”！ 使用“手机连接”，可以轻松连接手机和电脑，以查看和回复短信、拨打和接听电话、查看和管理照片、接收移动通知，以及直接在电脑上使用手机屏幕。
从“文件”菜单打开文件 - Microsoft 支持
提示: 如果要绕过“文件”>“打开”并始终使用“打开”对话框，请执行此操作：选择“文件 > 选项 > 保存”，然后选择“打开或保存文件时不显示 Backstage”框检查。然后，关闭所有打开的 Office 应用程序再重新打开。 请注意，此更改仅影响按 Ctrl+O 访问“打开文件”对话框时看到的内容。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016
Do you need help locating your computer name? - Microsoft Support
Click System and Security > System.. On the View basic information about your computer page, see the Full computer name under the section Computer name, domain, and workgroup settings.
Applies To:
Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
Troubleshoot buying issues with Microsoft Store
Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.
Applies To:
Microsoft account dashboard
Recovery options in Windows - Microsoft Support
Important: If you’ve encrypted your device, you’ll need your BitLocker key to reset your PC. If you don’t know your BitLocker key, see Find my BitLocker recovery key.. During the resetting process, it is possible that your screen may go black for a long period of time (occasionally upwards of 15 minutes) and that your device may attempt to restart itself during this period.