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Microsoft's ReFS file system resurfaces in latest Windows 11 build

Published on: 2025-05-26 14:47:00

In context: Microsoft introduced the original version of ReFS in 2012 alongside the enterprise-focused Windows Server 2012. At the time, the company stated that the new file system was intended to replace NTFS. However, NTFS remains the de facto standard for storage and file management in modern Windows versions. At last, Microsoft appears to be taking action with its Resilient File System (ReFS) technology. Despite being 14 years old, the storage format remains largely unfamiliar to most Windows users. However, it is now being offered as an optional choice in a recent Windows 11 preview build. Discovered by a prolific Windows insider, the new option appears in Windows 11 Build 27823. According to him, a hidden menu – accessed via an invisible button – allows users to format partitions and unallocated disk space using a new "Flexible Storage" option. A pop-up menu then provides two file system choices: the default NTFS format or the ReFS technology. I was unable to find any particul ... Read full article.