Can't format a flash drive into exFAT

Hi, so I have a flash drive and I want to formate it into exFAT/NTFS. I go and do everything, but then I got MS-DOS (FAT). Also I do not have option for NTFS. I apply 2 screenshots so that to see what is happening here.User uploaded fileUser uploaded file

MacBook Pro (Retina, 13-inch, Mid 2014), OS X Yosemite (10.10.2)

Posted on Apr 7, 2015 7:04 AM

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3 replies

Apr 7, 2015 9:03 AM in response to Manuel Manev

Manuel Manev wrote:


Hi, so I have a flash drive and I want to formate it into exFAT/NTFS. I go and do everything, but then I got MS-DOS (FAT). Also I do not have option for NTFS. I apply 2 screenshots so that to see what is happening here...

I can't say if that's the internal logic in Disk Utility at work, but since the main benefit of exFAT over FAT is the ability to save files larger than 4GB, and the flash drive you're working on is only 4GB in size, there's no reason not to just leave it as FAT. Moreover, Disk Utility is known to have problems with exFAT formatting (the recommendation is to do it on a Windows PC), so you're better off as is. Finally, the Mac OS can read but not write to NTFS drives so being able to format a drive as NTFS would be counter-productive.

Apr 7, 2015 10:46 AM in response to Manuel Manev

Manuel Manev wrote:


...leaving it like this leads to not finding it on PCs (Windows based). So I need a solution to the problem other than leaving it like this.


Normally, Flash drives come from the manufacturer formatted for Windows. Since it looks like the FAT format in your second graphic is the result of trying to format it in exFAT on the Mac and that failed, and since you've tested it afterwards on a PC, I'd suggest plugging it back into the PC and formatting it there. I don't know if Windows will let you format it in exFAT but you should be able to read and write to exFAT or FAT when it's plugged into the Mac.

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Can't format a flash drive into exFAT

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