Microsoft has announced that Windows will begin blocking ReFS-formatted USB drives and external storage devices by default starting January 2027, as part of a broader effort to improve operating system security. The change will affect Windows 11, supported Windows 10 installations, and Windows Server, although the vast majority of users are unlikely to notice any difference. According to an official Microsoft support document, published on October 13, 2026, the company is introducing new restrictions on how Windows handles removable storage devices formatted with the Resilient File System (ReFS). Microsoft Is Tightening Security Around ReFS, With External Drives Set To Be […]
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