Can't save files from iMac to external hard drive

Hi. I recently bought an iMac 27-inch 5k retina and i can't save files from the iMac to my external hard drive, which is a 1TB Seagate FreeAgent GoFlex. I formatted the hard drive before so i can use it on both Mac and PC. It works fine with my Macbook Pro. But not on my iMac. What could be the problem and how can i fix it? I don't want the hassle of backing up my hard drive and reformatting since it has a lot of files already on it. Please help 😟

iMac with Retina 5K display, OS X El Capitan (10.11.1)

Posted on Apr 13, 2016 5:54 PM

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5 replies

Apr 13, 2016 6:14 PM in response to Limnos

It says here the format is Windows NT Filesystem.


I can copy and paste files when i plug it in my macbook pro or a PC. But when i use it with the iMac, I can open and copy existing files from the hard drive to my iMac but i can't paste files FROM my iMac TO the hard drive.


So if i can use it with my macbook then maybe i downloaded a software before and just not remember it. Do you know any software i can download? Thanks!

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Can't save files from iMac to external hard drive

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