Hi Daniel.
Thank you for your extensive information.

It seems that the issue with MS-DOS (Fat 32) is that it cannot store files 
above 2GB in size.
The video file I wanted to store is 2.3GB.

Perhaps Mac OS Journaled does not have this restriction ?
But that is an issue if it is to be used by a Windoze user.

> On 30 Nov 2017, at 10:07 pm, Daniel Kerr <[email protected]> wrote:
> 
> Hi Stephen and all,….
> 
> Just a few other things that can affect this as well.
> I’ll try explain it as best as possible.
> 
> With a Thumb Drive, if you have any items on it, and these get put into the 
> “Trash”, they will stay there. Unless the Trash is “emptied” then although 
> the Thumb Drive “appears empty” the items will still take up space as they’re 
> sitting in the drive.
> A USB stick has it’s own “Trash”. And your User account (it when you have the 
> computer on), also has it’s “own” Trash.
> Though they can appear to be “one and the same” they are actually different.
> 
> To try and explain this another way.
> Let say you have nothing plugged in to your computer. You start the computer 
> up and are just using it “as normal” (i.e. no external hard drives or USB 
> drives plugged in). If you go and empty the Trash, you’ll get the “changed 
> icon” of the Trash. (i.e. it will go from being a Full Trash icon to an Empty 
> Trash icon). If you double click it to view the Trash, it will be empty.
> Now, if you plug in a USB drive or external drive. If it has anything still 
> sitting in the Trash, the Trash can icon will “magically” appear to be full 
> again. And if you view the contents, you’ll see things in there. These items 
> would belong to the Trash.
> (you can also do this experiment by emptying the computer Trash. Then if you 
> have a folder on the drive, (or create an empty folder) then drag it to the 
> Trash. The trash icon will appear to be “full”. But once you eject the Hard 
> Drive/USB drive, the Trash can will be empty again. Once you plug the drive 
> back in, the Trash can will fill up again. (as it’s showing items on the 
> external drive).
> 
> I always try and keep my Trash can empty. That way when I plug things in, I 
> know if they have anything to “check” or are completely free of space, as the 
> Trash will also be empty. It’s a bit easy to trash where things are “Stored” 
> as to what trash is there as well. (and then knowing that each drive is 
> completely free when I plug it in).
> 
> I’ve seen this happen before, where a USB stick will “appear” to be empty, 
> but because the Trash can is “full” from things on the computer, as well as 
> things on the external drive, you can’t tell the difference. So don’t realise 
> the USB drive isn’t actually “empty”.
> 
> Re the formatting of it. For the “best fit” for most computers MS-DOS(FAT32) 
> is the better one to use. ExFat is meant to be a new (better) format, but on 
> some machines they still may not recognise it. So to get the “best for 
> everything” I’d say go with the MSDOS(FAT32).
> 
> Hope that information helps people. (It’s a bit confusing, so hopefully it 
> makes sense,…hehe).
> 
> Kind regards
> Daniel
> 
> Sent from my iPhone 7
> 
> ---
> Daniel Kerr
> MacWizardry
> 
> Phone: 0414 795 960
> Email: <daniel AT macwizardry.com.au>
> Web:   <http://www.macwizardry.com.au>
> 
> 
> **For everything Apple**
> 
> NOTE: Any information provided in this email may be my personal opinion and 
> as such should be taken accordingly, and may not be the views of MacWizardry. 
> Any information provided does not offer or warrant any form of warranty or 
> accept liability. It would be appreciated that if any information in this 
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> 
>> On 30 Nov 2017, at 9:48 pm, Stephen Chape <[email protected]> wrote:
>> 
>> Hi Rob.
>> Just tried thumb drive 16GB again.
>> Does appear in Finder Sidebar.
>> Also now appears in Disk Utility (must have a mind of its own - now you see 
>> me, now you don’t)
>> 
>> Formatted in MS-DOS(Fat 32)
>> 
>> Other options are:
>> Mac OS Ext Journaled
>> Mac OS Ext Case sensitive Journaled
>> ExFat
>> 
>> Which do you suggest for use on both Mac and Windows ?
>> 
>>> On 30 Nov 2017, at 8:49 pm, Rob Phillips <[email protected]> wrote:
>>> 
>>> Strange.
>>> 
>>> I just inserted one and it came up in disk utility. 
>>> Another one didn't come up immediately, but did ask if I wanted to erase it.
>>> 
>>> Does the thumb drive appear in the finder?
>>> 
>>> Rob
>>> 
>>> On 30/11/17 6:45 pm, Stephen Chape wrote:
>>>> Thank you Rob.
>>>> Do you know how to format a thumb drive ?
>>>> It does not show up in Disk Utility.
>>>> 
>>>>> On 30 Nov 2017, at 6:38 pm, Rob Phillips <[email protected]> wrote:
>>>>> 
>>>>> Hi Stephen
>>>>> I've experienced this a few years ago. As I recall....
>>>>> 
>>>>> The drives are probably formatted with one of the old Windows formats - 
>>>>> can't remember the name... FAT?
>>>>> 
>>>>> On these drives the size limit of a single file is around 2GB
>>>>> 
>>>>> If you format the drive with a modern Windows format, it will copy OK. Or 
>>>>> in a Mac format - but then you can't share with everyone...
>>>>> 
>>>>> Cheers
>>>>> Rob
>>>>> 
>>>>> On 30/11/17 6:03 pm, Stephen Chape wrote:
>>>>>> Hi folks.
>>>>>> 
>>>>>> Today a friend asked me to copy an MOV file onto a thumb drive for him.
>>>>>> The file is 2.23GB.
>>>>>> 
>>>>>> It will not copy to a 8GB or a 16GB or a 32GB thumb drive because “it is 
>>>>>> too large for the drives”.
>>>>>> I have since burnt onto a DVD for him instead.
>>>>>> 
>>>>>> But I cannot understand what happened.
>>>>>> Any ideas please folks ?
>>>>>> 
>>>>>> Regards,
>>>>>> Stephen Chape
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
>>>>>> 
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>>>> 
>>>> Regards,
>>>> Stephen Chape
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
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>> 
>> 
>> Regards,
>> Stephen Chape
>> 
>> 
>> 
>> 
>> 
>> 
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Regards,
Stephen Chape






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