How do I format a flash drive to NTFS on a Mac? MacOS supports NTFS, but read-only. In order to write or format NTFS, you need a third party app. Paragon & Tuxera have solutions to do this. Paragon is pay only with a 10 day trial. Click on the “Erase” tab then pick “Mac OS Extended (Journaled)” — my recommendation for flash drive formats, though it does make it unreadable on a Windows PC — and enter a new name for the device if you’re so inspired: Take another minute to quadruple check that you’ve picked the right device and click on “Erase”. Easiest solution: format the USB drive on the Windows computer, then copy the data onto it on your Mac (it can work with Windows format drives). The more advanced way is to use the Disk Utility on the Mac (in “Utilities” in the Applications folder) and choose a windows-compatible format.
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To do it on the Mac, plug in the flash drive, and open Disk Utility (in your /Applications/Utilities folder). The drive should appear in the list on the left of the DU window.
Select the drive, then click the Erase tab. On that tab, select MS-DOS (FAT) as the volume format, choose a disk name if you want to, then click Erase, and wait.
That said, if your drive just 'didn't work any more' after a while, it may be faulty and it's possible that re-formatting it won't help. (All flash drives do have a finite number of read/write cycles before they don't work reliably any more, too, although it's unlikely you've reached that limit through normal usage.)
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Aug 23, 2008 1:22 PM