KB5063842:Windows Backup for Organizations is now generally available

August 26, 2025—KB5063842 (OS Build 19045.6282) Preview

Summary
This preview update contains the fixes and quality improvements contained in the following updates:

• August 12, 2025—KB5063709: Windows 10, version 21H2 and 22H2 (OS Builds 19044.6216 and 19045.6216)​​​​​​​
• August 19, 2025—KB5066188 (OS Builds 19044.6218 and 19045.6218) Out-of-band

The following is a summary of the key issues that this update addresses. The bold text within the brackets indicates the item or area of the change we are documenting.

• [Common Controls] Fixed: An issue that affects how certain supplementary characters appear in Windows textboxes.
• [Input and Composition] Fixed: An issue with the Chinese Simplified Input Method Editor (IME). Some extended characters were shown as empty boxes.
• [Licensing] New! This update adds a new feature that allows customers using the Windows 10 keyless Commercial ESU solution—alongside a Windows 365 subscription—to block outbound network traffic. This enhancement supports compliance with Zero Exhaust policies
• [Mobile Operator Profiles] Updated: Country and Operator Settings Asset (COSA) profiles.
• [Multimedia] Fixed: An issue where mf.dll failed to enumerate redirected web camera devices on Remote Desktop Services (RDS) environments.
• [Windows Hello] Fixed: An issue in which Narrator reads the incorrect name for the "Enhance Facial Recognition Protection" check box under the Facial Recognition setting.
• [Search pane] Fixed: An issue that might cause the Windows Search pane to not show the preview pane correctly.
• [Family Safety] Fixed: An issue where the "Ask to Use" approval flow was not being triggered for blocked apps. With this fix, the approval flow now appears as expected when a blocked app is accessed.
• [Portable Devices] Fixed: An issue where the Removeable Storage Access policy may not work properly.
• [Windows Backup for Organizations] New! Windows Backup for Organizations is now generally available! Experience seamless device transitions with enterprise-grade backup and restore. Whether you're refreshing your organization’s devices, upgrading to Windows 11, or deploying AI-powered PCs, this solution helps sustain productivity with minimal disruption, ensuring business continuity and organizational resilience.