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Discussion Starter · #1 ·
I occasionally copy large files to Windows FAT32 formatted disks, but not very often, obviously, because I only just came across this gift from Apple, and it's existed since High Sierra was released.

Lots of devices like cameras and GPS units require FAT32 formatting. The maximum file size for the FAT32 format is 4 GB. (Newer devices use EXFAT formatting which makes life easier, but there are still millions of devices that only deal with the old FAT32).

Mac OS X has never had a problem formatting FAT32 drives and partitions, and copying is a simple drag and drop as long as you are under the 4GB limit. Up until now.

With High Sierra, the Finder has a self-imposed file size limit of 2 GB for copying to a FAT32 partition. I have a Garmin map that is 3 GB, well within the FAT32 size limit, but I can't copy it to the SD card that my Garmin uses because Finder gives me an error message. With OSX Sierra and below, the drag and drop copy works fine.

If you know your Unix, you can manually copy the file using the cp command in a terminal window. Other Finder replacement apps have no trouble, either. It's just Finder.

This bug has been discussed since October 2017 but has still not been fixed in any of the updates.

High Sierra is a hot mess that just keeps giving.
 

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i will agree as Tim is busy courting the democratic party and pushing their BS views on staff and public..
Apple as a whole is floundering.

here is what i use to get my SDs etc back up to par
https://www.sdcard.org/downloads/formatter_4/
they are the official association.. also provider a proper formatter for mac and Pc

also I use soft raid for everything else windows..
https://www.softraid.com
 

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here is what i use to get my SDs etc back up to par
https://www.sdcard.org/downloads/formatter_4/
they are the official association.. also provider a proper formatter for mac and Pc

MD, does it work with High Sierra as only Sierra is show as supported??


BTW: These folks seem to have found a Terminal fix for the over the 2GB size problem:
https://discussions.apple.com/thread/8241881

Just might work… maybe…

Plus: add another black mark to my list for me to avoid HS, so thanks for that info that yet another "feature" has been removed.

Gheese Apple, who's running things lately??? :ptptptptp
 

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MD, does it work with High Sierra as only Sierra is show as supported??


BTW: These folks seem to have found a Terminal fix for the over the 2GB size problem:
https://discussions.apple.com/thread/8241881

Just might work… maybe…

Plus: add another black mark to my list for me to avoid HS, so thanks for that info that yet another "feature" has been removed.

Gheese Apple, who's running things lately??? :ptptptptp
it works albeit damn slow - but patience is a virtue..
worst case - i have virtual PC - vmware and windows on my mac for things i can not get done..

BTW soft raid is an amazing tool.. i use it for everything.
 

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Discussion Starter · #5 ·
Still there

As an update, this "feature" has not been fixed with the latest update.
The Finder in 10.13.4 still won't copy files >2GB to a FAT32 formatted disk.

The Unix cp command does work in Terminal, but that kind of negates 34 years of Apple UI design.
 

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As an update, this "feature" has not been fixed with the latest update.
The Finder in 10.13.4 still won't copy files >2GB to a FAT32 formatted disk.

The Unix cp command does work in Terminal, but that kind of negates 34 years of Apple UI design.


You could try another work-around solution to Apple's slackness to fix the problem:

How to fix High Sierra bug when transferring files to FAT32
https://mac.eltima.com/high-sierra-bug.html

Commander One can be your top choice when working with the files on your Mac. The app can be adjust to your personal taste as well, as it allows to choose color theme, set shortcuts for the actions, choose the view mode according to your needs.

Still wrestle with a question how to transfer 2GB files to FAT32 formatted storing device on Mac OS High Sierra? With Commander One you will forget about this burning issue. Try the app and check it yourself how easily it can be done.

Maybe that's just another reason why I'm usually booted and running Mavericks 10.9.5. ;)


- Patrick
======
 

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Is this only an issue if you drag and drop a file to an SD card? I just updated 2 of my GPSs (BMW Nav V and Zumo 660) with latest map updates. Maps are larger then 2gb. The Zumo uses an SD card as well as the internal memory is too small for latest map updates. I do it through the Garmin Express app and have never had an issue with maps. I also manually added Euro maps by simply dragging and dropping to both devices SD cards. Both devices have 32 gig micro SD cards.
 
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