Microsoft Lifts 32GB Limit on FAT32 Partitions in Windows 11 Update

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16 Aug 2024

As anticipation builds for the upcoming Windows 11 24H2 update, Microsoft continues to innovate with its operating system, unveiling enhancements that may soon reshape user experiences. A recent release from the Canary channel of the Windows Insider program introduces a significant change: the lifting of a long-standing limitation on FAT32 partitions.

Breaking Down Barriers

For decades, users have encountered a frustrating restriction that capped new FAT32 partitions at 32GB, despite the filesystem’s theoretical maximum of 2TB. This limitation, which has persisted since the early days of Windows, is now being addressed, albeit initially only through command-line formatting tools. The graphical user interface for disk formatting remains unchanged, still reflecting the design ethos of Windows NT 4.0 from nearly 30 years ago.

The origins of this 32GB cap can be traced back to former Microsoft programmer Dave Plummer. In his reflections on the development of Windows during the 1990s and early 2000s, Plummer revealed that he had intended the file format dialog as a temporary solution. The arbitrary choice of 32GB likely stemmed from a perception that it was sufficiently large at the time, particularly when Windows NT 4.0 itself required a mere 110MB of disk space.

Contextual Relevance of FAT32

In the current technological landscape, the practical applications of FAT32 have diminished significantly. It has largely been supplanted by more advanced filesystems. For primary operating system drives, NTFS has long been the preferred choice, while exFAT has emerged as the go-to option for external drives that require cross-platform compatibility. Notably, FAT32 still imposes a 4GB limit on individual file sizes, further limiting its utility.

However, there remains a niche for FAT32 in specific scenarios. Users who need to format disks for legacy versions of Windows or older devices that exclusively support FAT32 will find this update to be a valuable enhancement. It subtly expands the functionality of Windows, making it a touch more accommodating for those with unique requirements.

Listing image by Alpha Six

Update: 16 Aug 2024