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 ...

Beta Ring (2605.260423-2200) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Beta ring today. Continue reading below to learn all about what's included with this update.

This update is no longer being offered to new devices due to an installation issue identified after release. The issue has been addressed in the March 31, 2026—KB5086672 (OS Builds 26200.8117 and 26100.8117) Out-of-band update that is now available. This newer update includes all improvements and features that were part of this update, along with a fix for the installation issue.

Alpha Skip-Ahead Ring (2604.260312-2200) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Alpha Skip-Ahead ring today. Continue reading below to learn all about what's included with this update.

To run Windows Subsystem for Android™ you’ll need to turn on Control flow guard (if you have a Windows version with build 25266 or earlier).

Alpha Skip-Ahead Ring (2606.260415-2200) Hey Xbox Insiders! We are releasing a new Xbox Update Preview to the Alpha Skip-Ahead ring today. Continue reading below to learn all about what's included with this update.

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

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Provides Windows client guidance for IT Pros to protect against speculative execution side-channel vulnerabilities.