I can't add files to my Seagate FreeAgent external hard drive.

I just got a new portable hard drive, a Seagate FreeAgent 500 GB. I plugged it into my mac, and it says it can not be modified. Do I need to format it somehow before I can use it? Thanks!

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thank you all very helpful!

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format the drive? is this mean that i can lose my data or file inside the drive?

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But, what if I intend to use the drive on both Windows and Macs?

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Hi I use my USB HDD on both PC and MAC just install this on your mac. You should be able to copy files to your USB HDD on the mac! and Read them on your PC:

http://www.seagate.com/gb/en/support/dow...

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What if I already have files on HD and then format it... will I lose them?

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I bought the same drive several months ago and don't recall whether I had any trouble adding files, but then again it's my habit to reformat a drive for mac the first time I use it. I'd suggest you go to Disk Utility in the Utilities folder. As long as you haven't any files yet on the drive you can choose "erase" and reformat the drive. Mac OS Extended (Journaled) is your best choice if you only intend to use the drive with Macs. This is also a great opportunity to partition the drive if you think you'd like to have more than one partition.

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is that erase all data from my external hard drive? because i already have lots of things in my exteranal hard drive. i use it before in same mac it works great, but after having new updates on mac i found out this problem

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Same problem....I used the seagate and transfer twice information I wanted to discharge from my macbook air and now I just can't do it....why? and what can I do now?

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Hi Yes. You need to go to Disk Utility and select the drive, then hit the Erase button and select Format "Mac OS Extended (Journaled) Then hit erase, This will format the drive to be used with a Mac. If u ever need to use it with a PC then drive MacDrive Free Trial... handy if u are giving friends Movies etc. Hope this Helps Rob

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after i did that i couldn't use it in Microsoft !

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Thank you so much it saved me having to send it back.

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@saud True, when you reformat a drive for Mac, it cannot longer be seen by a Windows computer. Macs are more flexible in that they can use drives which are formatted for Windows; except if you want to use them for Time Machine then you *have* to format them for Mac. If you need to use a drive for both kinds of computers, then leave it formatted for Windows.

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I did this and i am now able to put movies on it but it also deleted everything else i previously had on the hard drive. PLEASE HELP! @saud

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Use exFAT if you want to use it in Microsoft Windows

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Download Paragon Driver for Mac on Seagate's site. Fixed my problem

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Thank you! !

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Thank you. Saved my day

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Thankyouuu so much!!!! it really works!! ^^

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The Seagate would have come with Windows formatting *and* partitioning (Master Boot Record). So when I get an external drive that will be used only for Macs, I repartition it (which also reformats it) as either Apple Partition Map (required to boot PPC Macs) or GUID. APM is the best universal choice for Macs, since it can boot both PPC and Intel Macs (though you have to clone Leopard onto it, you can't install directly.) If the drive is only for data, it doesn't matter which you use.

Sure you can do a simple reformat for Mac on top of MBR partitions, but then if you try to use the drive for Time Machine I seem to remember it will want to reformat it again. TM will format the drive, including the partition, properly. But then you can't use it with a Windows computer.

If you can't copy any files to the new Seagate, perhaps it was formatted NTFS? I believe that's read-only on a Mac.

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I just got a hard drive with data on it. It was formatted NTFS, but I need to work on the data and add new files. I work on a Mac computer. Do you know if there is a way I can change the settings without erasing the footage?

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Hi I use my USB HDD on both PC and MAC just install this on your mac. You should be able to copy files to your USB HDD on the mac! and Read them on your PC:

http://www.seagate.com/gb/en/support/dow...

Problem solved

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Worked a treat , many thanks

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thanks a lot for this.. ^_^ work fine.. just one question: it says trial/evaluation version work for seagate hdd only.. is this going to expired soon?

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Thank you for sharing really helpful :D

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If you need to have the drive be able to be cross platform you need to get a drive utility that will allow you to format the drive in FAT32 without the MSFT issued limit of 32GB. I have many drives formatted in FAT32 that are WELL above the 32GB that they say is the limit (like 1TB). I don't know of a Mac utility that will do this but SwissKnife will do it very well on a PC.

You will loose some performance, but if you need to have MAC and PC read and write to the drive then its what you have to do. You will also loose the ability to use the drive as a Time Machine backup.

Some food for thought. You may be a mac only guy and not need this but i thought that this might help someone that is in a similar situation.

Thanks for using Answers!

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I have a lot of files on the disk. Can I do this with files on the disk?

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No, you will lose them!

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