Microsoft announced today that the Exchange Web Services (EWS) API for Exchange Online will be shut down in April 2027, after nearly 20 years. [...]

Microsoft has started rolling out built-in Sysmon functionality to some Windows 11 systems enrolled in the Windows Insider program. [...]

Microsoft has confirmed that a known issue preventing some Windows 11 devices from shutting down also affects Windows 10 systems with Virtual Secure Mode (VSM) enabled. [...]

Microsoft has fixed a known issue that was causing the password sign-in option to disappear from the lock screen options after installing Windows 11 updates released since August 2025. [...]

Microsoft announced that it will disable the 30-year-old NTLM authentication protocol by default in upcoming Windows releases due to security vulnerabilities that expose organizations to cyberattacks. [...]

Microsoft has fixed a known issue that prevented Microsoft 365 customers from opening encrypted emails in classic Outlook after a recent update. [...]

Microsoft has released the KB5074105 preview cumulative update for Windows 11 systems, which includes 32 changes, including fixes for sign-in, boot, and activation issues. [...]

Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously failed attempts to install the December 2025 security update, which left systems in an "improper state." [...]

Microsoft plans to introduce a call reporting feature in Teams by mid-March, allowing users to flag suspicious or unwanted calls as potential scams or phishing attempts. [...]