CnW software comes with many useful tools to assist with recovery, examination etc. These range from comprehensive logs to viewing DVD properties. This links below contain useful information, or pointers to the tooled used

Deduplication - remove duplicate copies of the same file
Forensic tools - a range of tools and functions to assist
Fragmented files - describes this major issue
Forensic Recovery vs Data recovery
E01 and Virtual disk formats
File Filter - ability to select files when copying
File hashing - adds MD5 value to logs
Logs - a very import part of CnW Recovery
Can read MTF / .BKF files and expand to correct files
MFT Parse - view attributes in a MFT
Search disk - searchs for strings anywhere on the disk
Slow recovery - tips to inprove speed
Split files to write to CD or DVD