If you currently have Windows OS running and you need some files for your work which you have stored on the Linux installation, you no longer have to shut down Windows and boot Linux!
Explore2fsExplore2fs is a GUI explorer tool for accessing ext2 and ext3 filesystems. It runs under all versions of Windows and can read almost any ext2 and ext3 filesystem. 
Download From HereLatest Version : 1.7 Size : 380 KBExt2 Installable File System For Windows (
Ext2IFS)
It provides Windows NT4.0/2000/XP/2003/Vista/2008 with full access to Linux Ext2 volumes (
read access and
write access).
It also support ext3 File System. This may be useful if you have installed both Windows and Linux as a dual boot environment on your computer.
Read More & Download DiskInternals Linux ReaderDiskInternals Linux Reader is a program plays the role of a bridge between your Windows and Ext2/Ext3 Linux file systems.
This easy-to-use tool runs under Windows and allows you to browse Ext2/Ext3 Linux file systems and extract files from there.
Download From here Ext2Fsd Ext2Fsd is an ext2/ext3 file system driver for Windows 2000, XP, Vista. It’s a free software and everyone can distribute and modify it under GPL2.
Download From Hererfsd : Access RiserFs from WindowsReiserDriver is an Installable File System Driver (IFSD), used to easily read ReiserFS disk partitions under Microsoft Windows (2K/XP) by allowing ReiserFS partitions to appear as additional disks to the Windows operating system.
Download From Here
