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Windows 11 Preview 27686 released Microsoft today pushed this version update to the Canary channel. In addition to launching a new Windows Sandbox Client preview, this update also adjusts the formatting command and increases the FAT32 disk size limit from 32GB to 2TB.

This means that even a 2TB USB flash drive or mobile hard drive can use the FAT32 format. However, why does the Windows system still have a 32GB limit? Microsoft engineer Dave Plummer explained this issue a few years ago. He said that the capacity of the memory card commonly used in the market at that time was only 16MB. If the cluster size is set too large, it will lead to resource waste. For example, when the cluster is set to 32KB, even a "Hello, World!" program with only a few bytes will occupy the entire 32KB storage space.

After careful consideration, Dave decided to set the volume limit of the FAT32 file system to 32GB.

Source: https://www.top168.com/news/show-56181.html