Free. 免费锁屏提醒表示活动Microsoft 365 家庭版或个人订阅不与登录帐户相关联。. 只有 Word、Excel 和 PowerPoint 的免费 Web 版本可供使用。 若要在浏览器中访问这些应用，只需使用 Microsoft 帐户登录到 Microsoft365.com，并从应用启动器 选择所需的应用。. 免费试用Word、Excel 和 PowerPoint

Outlook 帐户每个邮箱最多可以有 100GB 的存储空间， (Exchange Online邮箱存储限制) 。管理员可以减少每个用户或全局的最大邮箱大小，有关详细信息，请参阅：如何在 Microsoft 365 环境中设置Exchange Online邮箱大小和限制。 “超出配额，你的帐户超出配额限制”

If there was an unusual sign-in attempt for your account, you'll get an email or text message. We'll send a message to all your alternate contact methods.

When you make your computer a trusted device, you won't need to enter a security code each time you try to access sensitive info, like credit card information associated with your Microsoft account.

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注意: 如果此 新版 Outlook 选项卡下的步骤不起作用，则可能尚未使用新的 Outlook for Windows。 选择 “经典 Outlook”，然后改为执行这些步骤。

如果要在现有的 Outlook.com 帐户中使用新的电子邮件地址，请按照本文中的说明创建电子邮件别名。 这将为您提供一个额外的电子邮件地址，该地址使用相同的收件箱、联系人列表和帐户设置作为您的主电子邮件地址。

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.

重要: Microsoft不再支持超过一年的 Authenticator 版本。始终使设备保持最新状态。

Summary. The Distributed Component Object Model (DCOM) Remote Protocol is a protocol for exposing application objects using remote procedure calls (RPCs).DCOM is used for communication between the software components of networked devices. Hardening changes in DCOM were required for CVE-2021-26414.Therefore, we recommended that you verify if client or server applications in your environment ...