Discover how to boost your browsing speed and save battery life with Microsoft Edge's performance features, such as sleeping tabs and efficiency mode.

Find everything you need to manage your Xbox account, profile, 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 the quotas and differences between Microsoft storage and email storage.

如果無法登入您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶，或者您不確定如何登入或登出，請嘗試這些解決方案。

Learn how to use Feedback Hub to report problems or send suggestions to Microsoft.

Learn how to stop Microsoft Edge from starting automatically.

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。

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.

Learn how to receive and interpret activity reports of your child's device use, including web browsing, apps and games usage, and screen time.