ViceVersa can handle terabytes of data and millions of files. So you do not have to stop working while the backup is running. Schedule the backup to run automatically and unattended, at intervals or as soon as file changes are detected (real-time mode), at start-up or shut-down. Files are copied to the USB drive in their original format. Files are firstly compared, then only new or changed files since the last backup are copied to the USB drive. files on the USB drive and display them side-by-side, so you can make sure that you have an exact backup copy of all your files.
ViceVersa will compare files on your computer vs. ViceVersa PRO software is optimized for speed.