When you need to protect the privacy of an email message, encrypt it. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text.

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

Manage invitations to share Microsoft 365. On the Microsoft account, Sharing page, under the section Other people, you can view and manage invitations you’ve created.You can check the status of an invitation, resend, or delete invitations. If the person you sent an invitation to can't find it, see Can't find an invitation to share Microsoft 365 Family.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

These terms are used when your message has been intentionally blocked by a spam or blacklist filter on the recipient's email server. The recipient's server believes that the mail server or mail account that you're using is a source of spam.

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.

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.

在网络上选择要与之共享文件的用户，或选择“所有人 ”以授予所有网络用户访问该文件的权限。 如果你同时选择多个文件，可以用相同的方式共享它们。 这种方法对文件夹同样有效 - 共享文件夹意味着共享其中的所有文件。

Choose the mobile app. Open a browser on your computer and go to portal.office.com.Sign in to your Office 365 for business account.

Windows Hello 是登录到 Windows 设备的一种更个性化、更安全的方式。 在 Windows Hello 中，你可以使用面部识别、指纹或 PIN 登录，而不是使用密码。