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.