1. 使用Microsoft帐户登录. 系统将提示你使用 Microsoft 帐户登录 . 如果移动设备上已有Microsoft帐户，系统会要求确认帐户，然后单击“ 继续”。 如果你的移动设备上没有现有的Microsoft帐户，系统会要求你登录帐户或创建一个新帐户，然后单击“继续”。 2.

Billing & payments. Your dashboard is also where you can: Buy, renew, or cancel a subscription.

If the self-help answers don't resolve your issue, try a different search, or scroll to the bottom of the Help pane and, under Still need help?, select Yes.

On the Email tab, choose your account (profile), and then choose Repair.

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 ...

Add people from your address book or contacts list, and choose OK.To select multiple people, hold down the Ctrl key as you choose members.

Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.

Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.

通过锁定 Windows 设备，可以快速保护设备，同时使应用程序和文件在后台保持打开状态。 锁定设备时，尝试访问设备的任何人都必须输入你的密码、PIN 或使用生物识别身份验证（如果已设置 Windows Hello）。

In the following countries, you have the right to cancel a subscription that has recurring billing with immediate effect and receive a prorated refund as described in the Microsoft Consumer Subscription Prorated Refund Policy: