Register your personal device (typically a phone or tablet) on your organization's network. After your device is registered, it will be able to access your organization's restricted resources.

Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

There are three ways you can use Microsoft Authenticator with your accounts: Add Authenticator as a way to verify sign-in. This lets you sign in even if you forget your password. Add Authenticator as a way to sign in every time. Using a one-time password code increases account security. This is called two-step verification. Add Authenticator as the only way to sign in - just tap an approval on ...

When you sign in with Windows Hello, your biometric data is stored securely (see here for more technical information). Malicious users and attackers constantly try to come up with new ways to access your device and access sensitive information. To stop them, you need a secure sign-in process that begins at the biometric sensor, and ends where your profile is stored. What does Enhanced Sign-in ...

SharePoint is a browser-based app that you connect to through your web browser. With SharePoint, you can do many things, such as: uploading and sharing files to your document library, collaborating on files with others, creating a team site or communication site, and more. If your organization has assigned you a license that includes SharePoint, you can sign in. In this article, we discuss the ...

Improvements and fixes This update includes a fix for an incorrect device driver (“Microsoft – WPD – 2/22/2016 12:00:00 AM - 5.2.5326.4762”) that was released by a third-party on March 8, 2017 that affected a small group of users with USB connected phones or other media devices that rely on Media Transfer Protocol (MTP). If the driver is on your system, when any of these devices are ...

Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.

在Outlook 中，可以为电子邮件创建一个或多个个性化签名。 签名可以包括文本、链接、图片和图像 (，例如手写签名或徽标) 。

重新激活 Office 需要不同的步骤，具体取决于你的情况。 安装或重新安装

注意: 此功能需要 Microsoft 365 订阅。 有关详细信息，请参阅 我的 Office 版本是否支持敏感度标签？. 如果你是希望开始使用敏感度标签的管理员，请参阅 敏感度标签入门。 若要查看功能和版本可用性的完整列表，请参阅 Word、Excel 和 PowerPoint 中的敏感度标签功能。