What is the maximum number of files that I can place in a subfolder in FAT32

FAT32 maximum number of files in a folder

The maximum size of a directory of FAT32 is 32-bit 65536 entries. A file it will take at least 2 entries according to the length of the file name. Long filenames are stored in 16-bit UNICODE characters, and only thirteen characters are stored in the directory entry.

Big directories should be avoided for performance reasons. For example, adding a file requires all existing entries to be analysed in order to avoid duplicates.

FAT32 specification can be downloaded here:

http://msdn.Microsoft.com/en-us/Windows/hardware/gg463080.aspx

Tags: Windows

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