Copying files greater than 4GB into pen drives

Monday, June 8, 2009

You might have got an error "Not enough space in disk" or similar when trying to copy a file greater than 4GB in size. This occurs because the pen drive is formatted in FAT32 or older file systems which do not support storing files larger than 4GB. There are two methods to overcome this:

1) Split the larger file into smaller parts:

Winzip and WinRAR both archiving softwares support splitting large files into multiple parts of any size you wish. Remember that to merge the files you will need the same software in the system where you merge those files.
If you are looking for a simple and freeware splitting software check out:
www.freebyte.com/hjsplit

2) Change the file system of pen drive to NTFS:

Windows XP by default doesn't give an option to change file system in the format tool(Right click on pen drive and click format...).



So, you need to go to 'Device Manager'(Right Click 'My Computer' -> Properties -> 'Hardware' tab). In 'Device Manager' under 'Disk Drives' find your pen drive. Right Click it and go to 'Properties'. Under the 'Policies' tab choose 'Optimize for Performance' option.



Now you can change the file system of pen drive to NTFS through the format tool.



Note: If you change file system to NTFS then before removing pen drive you SHOULD use the "Safely remove hardware" option. This method is also applicable to other removable drives.

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