ComparatorPro (64-bit) is a dual folder compare utility used to synchronize two folders, including sub folders. The differences between the two folders are presented in a multi-tab list, such as Missing Files, Newer Files, Duplicate Files, Date Conflicts and File Browser. ComparatorPro (64-bit) 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 (64-bit) synchronize your files between PCs, backups or any removable media such as CD-RW, DVD-RW, ZIP/JAZ, USB stick drives. ComparatorPro (64-bit) will list you the changes between two media, presenting you the Missing files, those that are Newer and those that are Duplicate from both media selected. You can select which files to copy over to the other media, or copy them all in one go. ComparatorPro (64-bit) let you select how files are compared, and where to look for files. Scan Sub folders let you scan for files not only in the selected folder, but including all of its sub folders. This is very important to synchronize or backup an entire folder, or drive. CRC is an option that will caculate the CRC (cyclic rudency check) to be used in data comparison, or for your own use. Include is Presets for fast synchronization of multiple source and destination.