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Today Microsoft has released the non-security optional preview update, also known as the C release, for the month of August 2025 under KB5064080 (build 22621.5840). The new update brings the generally availability of the Windows Backup app for Organizations to everyone. This native Windows backup application was already available to the general users and now it has made its way into organizations and enterprise environments too
Aside from that, the new update also brings multiple bug fixes and other improvements. The full changelog is given below:
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[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.
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[Copilot] Fixed: Improved the Copilot key’s reliability and resolved an issue that prevented users from restarting Copilot after using the key.
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[Country and Operator Settings Asset (COSA)] Fixed: This update brings profiles up to date for certain mobile operators.
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[Device management] Fixed: An issue where the removable storage policy didn’t correctly block external devices such as USB flash drives.
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[Family Safety] Fixed: An issue where the “Ask to Use” approval prompt didn’t appear when blocked apps were opened. With this fix, apps now show the expected approval prompt when Family Safety settings are enabled.
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[File Explorer]
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Fixed: File Explorer might unexpectedly only display a single folder (for example, Desktop), rather than the expected content with recent files and more.
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Fixed: Syncing more SharePoint sites to File Explorer might slow performance when navigating folders or opening the context menu. This can also affect how quickly files launch.
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[File sharing] Fixed: This update addresses an issue where accessing files on a Server Message Block (SMB) share over Quick UDP Internet Connections (QUIC) might result in unexpected delays.
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[File system] Fixed: This update addresses an issue in Resilient File System (ReFS) where enabling deduplication and compression simultaneously could occasionally cause the system to stop responding.
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[Input]
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Fixed: This update addresses an issue where certain extended Unicode characters—such as rare Chinese symbols—appeared as blank spaces or incorrect symbols in Windows text boxes. The fix ensures these characters display correctly and maintains compliance with GB18030-2022 requirements.
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Fixed: This update addresses an issue with the Chinese (Simplified) Input Method Editor (IME) where some extended characters appeared as empty boxes.
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[Narrator] Fixed: This update addresses an issue where Narrator incorrectly read the name of the Enhance Facial Recognition Protection checkbox under the Facial recognition (Windows Hello) setting.
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[Network connectivity] Fixed: This update addresses an issue where Wi-Fi might not reconnect automatically after a Group Policy update.
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[Remote Desktop] Fixed: An issue where cameras didn’t appear during remote sessions after being added or removed. Newly connected cameras were not recognized in Remote Desktop Services (RDS) environments
You can find the official support article for KB5064080 here on Microsoft's website.
Hope you enjoyed this news post. Feedback welcome.
Posted Wednesday 27 August 2025 at 5:23 pm AEST (my time).
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