You Cannot Format 720 KB Floppy Disks in Windows XP

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This article was previously published under Q302113

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SYMPTOMS

The option to format a floppy disk to the capacity of 720 kilobytes (KB) is missing in the Format 3 1/2 Floppy dialog box. Attempting to format a floppy disk to a capacity of 720 KB by using the format command-line utility produces the following error:

Invalid parameter /F:720

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CAUSE

The ability to format floppy disks to a capacity of 720 KB is not present in Windows XP. Windows XP only supports the formatting of floppies to 1.44 megabytes (MB).

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