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Can not copy file External Disk

P

pagol

macrumors newbie
Original poster
Jul 16, 2017
6
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I am new user for mac. i have windows laptop too. i have back external hard disk which is working on windows fine. (NTFS) format.

i am tried many to copy file from my mac to hard disk but each type i tried it said "The target volume is read only." then make permission but same result. check my USB disk information.
 

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pagol said:
I am new user for mac. i have windows laptop too. i have back external hard disk which is working on windows fine. (NTFS) format.

i am tried many to copy file from my mac to hard disk but each type i tried it said "The target volume is read only." then make permission but same result. check my USB disk information.
Click to expand...
The Mac can read NTFS format drives but can not write to them without purchasing/installing 3rd party software.
 
ZStech said:
You can simply format your external drive as FAT32 or exFAT and it will work on both Windows and macOS. Try to follow the steps from this article: http://osxdaily.com/2012/01/04/format-an-external-hard-drive-or-usb-flash-drive-for-mac-os-x/
Click to expand...

I would recommend using exFAT and doing the reformat on a Windows machine.

FAT has limits on both volume size and file size that can be constraining. On exFAT those limits are more similar to those of NTFS. HFS+, ... so you aren't likely to encounter them.

Also, I've had several issues with drives formatted to exFAT using the macOS Drive Utility. I now use a Windows machine to do the format and reads and writes from both Windows and macOS work fine.
 
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