This article has guidance for: Organizations with IT-managed Windows devices and updates.

Find all release notes for the Xbox Update Preview Alpha ring here.

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

Alpha Skip-Ahead Ring (2606.260423-2200) 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.

Summary Starting with Windows security updates released on and after October 14, 2025, File Explorer automatically disables the preview feature for files downloaded from the internet. This change is designed to enhance security by preventing a vulnerability that could leak NTLM hashes when users preview potentially unsafe files. For more details, review the following frequently asked questions ...

Find all release notes for the Xbox Update Preview Alpha Skip-Ahead ring here.

Messages that have the encrypt-only policy applied can be read directly in new Outlook, Outlook on the web, Outlook for iOS and Android, Outlook for Windows versions 2019 and newer, and Microsoft 365.

What is Secure Boot? Secure Boot is a security feature in Unified Extensible Firmware Interface (UEFI) based firmware that helps ensure that only trusted software runs during a device's boot (start) sequence. It works by verifying the digital signature of pre-boot software against a set of trusted digital certificates (also known as certificate authority or CA) stored in the device's firmware ...

Alpha Skip-Ahead Ring (2606.260511-2200) 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.

You can resolve problems with Microsoft Authenticator by checking the tips in this article and reviewing some of the known errors.