The formatted allocation unit size is not consistent with the selection on Windows 11 systems

Question

1.Windows 11 formats the selected allocation unit size to 32 kb, and the formatted allocation unit size is not 32 KB

2.Format a 32GB USB device in Windows 11, and the system automatically adds a hidden file after formatting

Answer 1

Hello,

1.

Try using the commands in the command prompt to specify the allocation unit size. Please refer to this link: https://learn.microsoft.com/en-us/windows-server/storage/file-server/ntfs-overview

2.

It is possible that the hidden file you are seeing on your USB device after formatting is a system file that Windows creates during the formatting process. This file is used to store information about the file system and is necessary for the proper functioning of the device.

Best Regards,

Hania Lian

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