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）。

Use this article to find out your expiration status.

Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.

To review app, game or subscription purchases, track orders or view and print invoices, sign in to the order history page on your Microsoft account dashboard.

Wondering what multifactor authentication, sometimes known as two step verification, is? This article will explain it clearly.

Chat is a core feature of Microsoft Teams that allows you to communicate with your colleagues and partners in real time. Whether you want to start a one-on-one chat, a group chat, or a chat in a channel, this webpage will show you the first things to know about chats in Microsoft Teams. Learn how to create, manage, and customize your chats, and discover some tips and tricks to enhance your ...

注意: 我们会尽量使所有应用商店版本保持最新状态，但Microsoft不对其他网站上提供的版本负责。 未在中国使用 Authenticator？

使用 Microsoft 帐户登录到 Microsoft 服务，如 Windows、Microsoft 365、OneDrive、Skype、Outlook 和 Xbox Live。

了解 Microsoft 365 订阅、Office 2016 和免费 Office Online 应用之间的区别。

Subscribed. A Subscribed badge means a Microsoft 365 subscription such as Microsoft 365 Family or Personal is already associated with your account and you can access many of your subscription benefits including installing the desktop apps.. Don't already have Microsoft 365, or you're looking for product details and prices? Buy or try Microsoft 365