For the extension you want to change site access permissions, select ... More menu and point to This can read and change site data.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.

Learn about how tracking prevention works in Microsoft Edge. Adjust your tracking prevention setting to detect and block known trackers.

Windows 安全中心 中的病毒 & 威胁防护可帮助你扫描设备上的威胁。还可以运行不同类型的扫描，查看以前的病毒和威胁扫描的结果，并获取Microsoft Defender 防病毒提供的最新保护。

A Microsoft account is a personal account required for access to Microsoft’s products and services.

Get started with news and interests, choose how weather looks on your taskbar, turn it on and off, personalize your feed and choose interests and followed publishers.

Get answers to questions about how indexing affects searches in Windows 10.

Learn how to use the PC Health Check app to help you improve your device performance.

Learn how to change Internet Explorer settings, or reset browser settings when there's a problem.