comparatorpro will compare files, folders and sub-folders (if desired) to quickly update backup set before you get down to some serious work. it can easily sync the files to ensure a perfect match. this comparison utility will compare and verify your files based on your choice of data, size, timestamp and/or crc. comparatorpro synchronize your files between pcs, backups or any removable media such as cd-rw, zip/jaz drives etc.