You can often view a protected file by simply opening it. For example, you might double-click an attachment in an email message, a document in File Explorer, or a link to a file and be able to open the protected file. If you are trying to open a protected file that has a .pfile name extension, like a .ppng, you will need to use the Microsoft Purview Information Protection viewer or the Azure ...

Learn how to prevent unauthorised purchases on your Xbox by creating Microsoft accounts for every person who uses that console.

A popular tactic of criminals is the "fake order" scam. The way it works is that you get a message, usually in email or text, that appears to be a routine confirmation for an order. Of course, you never ordered whatever product or service it's confirming. The message looks common enough, and it says that money will be charged to your credit card or withdrawn from your bank account for the ...

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。

使用 Authenticator 作为登录的一种方式 如果已为帐户启用无密码、双重或多重身份验证，请使用以下步骤登录： 转到要登录的网站。 在登录提示符下输入用户名，然后选择“ 下一步 ”。 选择“ 发送通知 ”。

How tech support scams work Scammers may call you directly on the phone and pretend to be representatives of a tech company. They might even spoof the caller ID so that it displays a legitimate support phone number from a trusted company. They'll probably ask you to install applications that give them remote access to your device. Using remote access, these experienced scammers can ...

A phishing email is an email that appears legitimate but is actually an attempt to get your personal information or steal your money. Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you. Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof intelligence in Exchange Online Protection helps prevent phishing ...

本頁說明如何刪除您的 Microsoft 帳戶安全性資訊。安全性資訊包含您提供給我們的電子郵件地址和/或電話號碼，我們會利用 ...

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。

有时您需要更新您的 Microsoft 帐户的安全信息 — 例如，在您获得新的电话号码或电子邮件地址，或者是您第一次输入错误的安全性详细信息。使用此页面上的步骤来更新用于验证 Microsoft 帐户的安全信息。 全部展开