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.

Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.

How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

了解如何从 Windows 10 家庭版升级到 Windows 10 专业版或从 Windows 11 家庭版升级到 Windows 11 专业版，包括如何使用有效产品密钥或 Microsoft Store。

无论是通过 Xbox 主机设备或还是仅通过计算机提供，这些数字游戏购买退款条款涵盖 Microsoft Store 的数字游戏优惠、Xbox 应用（不含电影和电视应用）、数字游戏捆绑优惠以及数字耐用和消费性游戏优惠，例如游戏季票、虚拟货币和微交易等（总称“数字游戏产品”）。

If you don’t want to use the proxy server when you visit certain websites, enter the ending of the website address in the exception list (for example, *.contoso.com). For multiple websites, type each website address and separate the addresses with a semicolon (for example: *.contoso.com; *.adatum.com).The * is a wildcard so any website addresses that end with the website address listed will ...

Get answers to all of your Microsoft Word questions. Find Word help, how-to articles, training videos, tutorials, and more.

Get more information about managing your Xbox subscriptions, issues with billing, and more.

使用本文来查明到期状态。 查看“服务和订阅”标题下的详细信息。 如果看到圆圈箭头，那么订阅设置为周期性帐单，除非关闭周期性帐单或提前将其取消。 “下一次收费”信息将显示下一次收费时间以及将收取的费用。

How to turn on recurring billing. When recurring billing is turned on, you’ll be billed for your subscription on your renewal date. If you turn off recurring billing, your subscription will expire on the date shown, and you won't be billed in the future.