It is very common to have dual boot systems with Windows on one side and Ubuntu/Linux being the other one. Just how Windows 7 supports file systems such as NTFS and FAT32, Ubuntu and most linux distributions support ext2, ext3 and ext4 (extended file systems). ext4 being the latest journaling file system. You might have noticed that you cannot access ext2/ext3/ext4 partitions from your Windows. Here's a simple way of doing it. All you need is a simple software ext2Read.
Download ext2Read from here.
Run the application in administrator mode. And then you can see all the disks with ext2/3/4 partitions. You can even copy files and folders(recursively). Here's a snapshot of it.
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