Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.

注意: 如果知道密码，但只想更改密码，请转到“account.microsoft.com 安全”选项卡，然后选择“更改我的密码”。. 如果知道用户名和密码但已停止工作，请阅读我的用户名和密码已停止工作。

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 ...

The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Change the appearance of your email. Select View.. From here, you can: Change the size of the Folder Pane.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

MSN provides you with three quick ways to navigate through MSN to easily find what you need: The Mega menu located at the top left side of the page, brings you every section in just one easy step.