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What's the simplest way to format a USB stick and write some video files to it in order for the Samsung TV to read it? As far as I know Samsung TVs support the FAT format (or maybe ExFAT too), but if I format the USB to FAT then I can't seem to be able to write to it (or even see it in Finder).

PS: I don't have access to a Windows machine

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    Why if I format the USB to FAT then I can't seem to be able to write to it? Did you mean NTFS? Because OS X can format, read and write into FAT32 drives. – Hamid Rohani May 28 '16 at 21:18
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Simply use Disk Utility to format it as FAT, as Macs can indeed read and write to FAT drives–they just have problems with NTFS drives.

Insert your flash drive. Open Disk Utility (/Applications/Utilities/Disk Utility), select your flash drive in the sidebar, then click "Erase" in the top bar. Select "MS-DOS (FAT)" for your format, and Master Boot Record for your scheme.

enter image description here

Note that the FAT file system has a limitation of 4GB file size. If you want to circumvent this whilst still being able to use OS X, format the drive as exFAT (which has a file size limitation of 128 PiB). This option has been recently hidden with 10.11, so it takes a bit more work.

Open Terminal (/Applications/Utilities/Terminal). Run the command defaults write com.apple.DiskUtility advanced-image-options 1. This gives you access to hidden features within Disk Utility. Open Disk Utility (/Applications/Utilities/Disk Utility), select your flash drive in the sidebar, then click "Erase" in the top bar. Select "ExFAT" for your format, and Master Boot Record for your scheme.

enter image description here

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  • Didn't know about "Master Boot Record". Thanks. – Shoe May 29 '16 at 0:55
  • @Tetsujin That's only for FAT16. FAT32 supports up to 16TB. OS X supports both. – JMY1000 May 29 '16 at 18:10
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    @Tetsujin My bad. Noted. – JMY1000 May 29 '16 at 19:30
  • @Tetsujin Sure. Also going to add stuff about exFAT. – JMY1000 May 29 '16 at 20:35

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