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 ...

If you come across an ad in your game that is broken, freezing, inappropriate, or in some way malicious, please follow the below steps.

下載 Microsoft Authenticator Microsoft Authenticator 是一款行動應用程式，幫助你在不使用密碼的情況下登入所有帳號。

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

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

Find out what to do when you receive a “Call us overprotective” message when signing in to Xbox.com.

Sign in using Microsoft Authenticator Microsoft Authenticator helps you sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless on your account.

Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.

Learn more about how you can set filters and adjust your safety settings for Xbox messaging.

All versions of Outlook since Outlook 2000 Service Release 1 (SR1) include a security feature that blocks attachments posing a risk of viruses or other threats. Outlook blocks access to the attachment, but the attachment is present in the e-mail message. This article describes how to open a blocked attachment, and what types of attachments Outlook may block. More Information When Outlook ...