Use the Information Protection viewer to view protected files in Windows, Android, iOS, or Edge.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

加密是将数据转换为代码以防止未经授权的访问的过程。 在 Windows 中，可以使用内置工具来加密文件和文件夹，确保只有具有正确解密密钥的个人才能访问内容。

iOS Android To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store.

什么是敏感度标签？ 敏感度标签可手动或自动应用于文件，使其符合组织的信息保护策略。 敏感度标签指示 的分类，并且可以对文件应用保护。 组织自定义标签名称和说明。 请联系组织的 IT 部门，了解有关要应用哪些标签以及何时应用的其他信息。 敏感度标签将发布到用户而不是站点或邮箱等 ...

Summary A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This is a 48‑digit number that lets you regain access to your drive.

Microsoft 365 can be configured to recommend or automatically apply a sensitivity label to a file or email if it includes sensitive corporate or personal information, such as social security numbers, credit card numbers, or bank account numbers. This helps you keep your files and messages compliant with your organization's information protection policies even if you haven't applied a ...

摘要 當 BitLocker 無法自動解鎖 Windows 加密磁碟時，需要 BitLocker 的復原金鑰 。 這是一個 48 位數的號碼，可以讓你重新存取你的硬碟。

Learn how to identify and open encrypted and protected emails no matter what email client you're using.

If you have a Microsoft 365 Family or Microsoft 365 Personal subscription, Outlook includes encryption features that let you share your confidential and personal information while ensuring that your email message stays encrypted and doesn't leave Microsoft 365. This is useful when you don't trust the recipient's email provider to be secure. To see encryption options, compose a new message ...