New features gradually rolling out: Improvements to folder backup opt-out experience.We are updating the behavior when users turn off folder backup.

提示: 可以使用任何电话号码来请求安全代码。. 电话号码不需要与你的帐户关联。. 手机不需要是智能手机，也不需要连接互联网，只需要能够接收短信。. 你可能需要创建新密码。 阅读有关如何创建强密码的提示。. 如果看到“该 Microsoft 帐户不存在”错误消息，请使用 Microsoft 帐户登录帮助程序。

To activate using your digital license, you'll need to upgrade to Windows 11 Pro: Save your work and close any open apps.

BitLocker is the Windows encryption technology that protects your data from unauthorized access by encrypting your drive and requiring one or more factors of authentication before it will unlock it.

Under Personalization & advertising, turn on or off the setting for Allow Microsoft to save your browsing activity including history, usage, favorites, web content, and other browsing data to personalize Microsoft Edge and Microsoft services like ads, search, shopping and news.

There are some common two-step verification problems that seem to happen more frequently than any of us would like. We've put together this article to describe fixes for the most common problems.

在 Xbox 360 上：玩家代号最多包含 15 个字符，包括空格。它们不能以数字开头。 在 Xbox One、Xbox Series X|S、Windows 上：玩家代号最多包含 12 个字符，包括空格。它们不能以数字开头。 如果收到一条消息，指出玩家代号不可用，这意味着你需要尝试其他玩家代号。

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

Important: Reactions are only available to individuals using a work or school account in Outlook with a qualifying Microsoft 365 subscription.

Creating an online account usually involves entering your information into a form containing multiple fields, such as name, email address, date of birth, password, and more.