When your camera isn't working in Windows 11, it might be missing drivers after a recent update. It's also possible that your antivirus program is blocking the camera, your privacy settings don't allow camera access for some apps, or there's a problem with the app you want to use.

Help Microsoft stop scammers, whether they claim to be from Microsoft or not, by reporting tech support scams at: www.microsoft.com/reportascam. You can also report unsafe websites in Microsoft Edge by selecting Settings and More > Help and Feedback > Report unsafe site when you encounter something suspicious.

By viewing your browsing history, you can choose to delete specific sites, or return to a webpage that you've already visited. In Internet Explorer, select the Favorites button. Select the History tab, and choose how you want to view your history by selecting a filter from the menu.

All you need to join a Teams meeting is a link. Select Join the meeting now in your meeting invite to be taken to a page where you can choose to either join on the web or download the desktop app. If you already have the Teams app, the meeting will open there automatically.

Join a Teams meeting by phone. Connect to a Microsoft Teams meeting by calling in. Either dial in as a participant, or as the conference call leader. Both leaders and participants can use dual-tone multiple-frequency (DTMF) commands to manage the conferencing experience.

Download the Microsoft Security Essentials virus and spyware definition update file that is appropriate for your version of Windows: Download the file for a 32-bit (x86-based) version of Windows. Download the file for a 64-bit version of Windows.

Level 2 members can earn five times more points on Bing.com, save up to 10% on rewards from Microsoft products and services, and get access to exclusive offers. Remember to check your Rewards page for current offers. Microsoft Rewards has two status tiers: Level 1 and Level 2.

Wired connections: Activate and use any wired connections, including Ethernet, USB, and Serial communications between your device, the internet, and other devices. Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

Call in to a meeting in Teams. Manage meetings. Join Teams meeting with ease using our step-by-step guide. Learn how to join a Teams meeting via your calendar, a dial-in number, or on the web.

我们编写了这篇文章，以介绍最常见问题的修复方法。. Azure Active Directory (Azure AD) 组织可以为你的帐户启用双重验证。. 启用双重验证后，帐户登录需要以下数据的组合：. 您的用户名. 你的密码. 移动设备或手机. 双重验证比仅使用密码更安全，因为双重验证需要 ...