Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

如果你认为有人可能未经授权访问你的帐户，我们可以通过从所有受信任的设备注销来保护你。 在 24 小时内，你将注销浏览器、应用以及你的帐户用于登录的任何其他位置（Xbox 主机除外）。

提示: 如果将 Microsoft 365 应用作为套件的一部分安装，例如 Office 家庭和学生版 或 Microsoft 365，请搜索套件名称。对于独立应用，请按 Project 或 Visio 等应用名称进行搜索。 在大多数情况下，如果单个应用包含在 Microsoft 365 套件中，则无法将其卸载。

Outlook.com includes encryption and prevent forwarding features that ensure your confidential and personal information you share via email stays encrypted and doesn’t leave Microsoft 365. This is useful when you don’t trust the recipient’s email provider to be secure. Learn more about encrypted messages.

Introduction. Online Service Experience Packs in Windows 11 improve the delivery of changes and improvements from the cloud. This is another way we can quickly update Windows 11.

断开设备与 Microsoft Store 的链接. 如果无法从 Microsoft Store 中下载内容，则你可能已达到了设备限制。 通过删除不使用的设备或者不再有权访问的设备来管理你的限制。

Microsoft Edge 是 Microsoft 推荐的浏览器. Windows 8.1不再支持 Internet Explorer 11。 相反，我们建议切换到 Microsoft Edge。 Microsoft Edge 是为了给你带来最好的上网体验而建立的，让你在浏览网页时有更多自主性，并获得更多隐私保护。

If you don't need these features though, you can easily share with other people without including them in your family group. As an adult in a family group, you can: Create a shared family calendar. Keep kids safe on the web. Allow adults to check on the device health of others in the family.

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Starting July 14, 2023: Existing Primary and Secondary members will be emailed details describing this change.; Starting July 17, 2023: Primary account holders will no longer be able to add new members to their shared membership.; August 15, 2023: Existing memberships will end and Xbox Game Pass Friends & Family will no longer be available.; Starting August 15, 2023: We’ll be sending Xbox ...