1.   True Byte-to-byte comparison , not by CRC/MD5.
2.   Search duplicate files contents and similar files regardless of file name
3.   Search duplicate pictures (jpg, gif), video (avi, mpg), songs(mp3) , DLLs, Office documents(xls, doc, ppt, pub), pdf and any file types
4.   Search duplicate Outlook emails (new 2007, v4.1)
5.   Search files with same contents, same name.
6.   Powerful fuzzy match to uncover similar files (new 2007, v4.1)
7.   Smart marker of duplicate files by date, version, size, folder and file name pattern
8.   Replace by NTFS hard link / shortcut (new v4.0)
9.   Preview files, show file versions and properties
10.   Save search session / Export result to CSV, XLS, XML format
11.   Search local hard drives and over network - edition comparison
12. Benefits:

• Clean up hard disks, identify and recover wasted disk space
  
• Reduce backup time and media used for backups,
  
• Reduce file searching time, minimize time used to unneeded virus scanning
  
• Obtain more free space on "limited" resources, like notebooks
  
• Remove duplicate files to eliminate synchronization problem
  
• Organize files neat and manage files better
  
• Cheaper than buying a new hard drive, so don't buy new hard drive, buy NoClone.
  
• Sample applications: file management, storage management, document management, digital forensics and plagiary detection.
  

Improvements of this version:

1. bugs fixed,
2. duplicate file definition