Changes in Defraggler 2.13.670 (18 Feb 2013): - Added Quick Defrag scheduling. - Added Fragmentation Threshold to scheduled defrag options. - Added option to close Defraggler after defragmentation is complete. - Added support for 3TB external drives. - Added support for drives with allocation units greater than 4KB. - Added support for ReFS file systems. - Updated translations. - GUI and usability improvements. - Minor bug fixes.. Homepage - www.defraggler.com