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Formatting 2tb USB Thumb Drive Advice

Dabber Avatar
Dabber 21 271 England
23 Sep 2020 2:44PM
I have a 2tb USB 2 thumb drive which I will use to store my photographs and home videos as my belt and braces way of ensuring that I will always have ‘them’ saved in several types of media and locations.

Although I have started I have run into a few problems:-
I was hoping to download large amounts a time, but error messes came up randomly about things like can’t open or other errors, so I really have to attend to be able to respond to the messages.

However, someone suggested formatting the drive differently, I had a look and there are a few options.
File System – NTFS or exFAT (Default)
Allocation of Unit Size – 128KB increasing to 32768KB doubling each step at a time.
Any advice? As it doesn’t mean a lot to me.
Thanks for looking
Umberto_V Avatar
23 Sep 2020 3:21PM
exFAT is usefull if you are going to be using it on a MAC and Windows 10. otherwise NTFS should be the setting you use.
Dabber Avatar
Dabber 21 271 England
24 Sep 2020 3:10PM
Umberto, thanks for that, I'm using Windows 10 and the USB stick is set up for exFAT.
Any idea why there are a range of values for the 'allocation size' and which would be the best option?


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