Robocopy
Mirror two directories
as mirror implies, this deletes files on destination that are not present on source
ROBOCOPY \\sourceserver\share \\destinationserver\share /MIR
ROBOCOPY source-drive:\DIR destination-drive:\DIR /MIR
Robocopy.exe Y: E:\Shares\PROJECTS /MIR /XD Y:\saturn /XD 'Y:\$RECYCLE.BIN'
Some examples: https://social.technet.microsoft.com/wiki/contents/articles/1073.robocopy-and-a-few-examples.aspx