This application is a CD database for finding duplicate files, to prevent files from being moved to CD-R/DVD±R multiple times. If you have a some unknown files in folder, program will show you files that you already have on CDs. In common, CD Duplibase is a disk catalogization tool. But it has one useful function that other disk catalogization tools doesn't have. Let's say that you have a folder with files, downloaded from Internet or somewhere. And if you also have a big number of achives on CDs, you can't say about files in your folder - it's a new files or it's files that you already have on CDs? CD Duplibase resolve this question in two clicks! Just right-click on folder and select "Scan for duplicates...". After some time you will see a list of files that you already have on another CDs! After you can delete/move/copy duplicates. With CD Duplibase you can find the duplicates that cannot be finded by any other duplicate finder!