What is a duplicate file?
This is a files with same content, no matter where the files are stored. The files may even have different names and locations. Need3Space will compare content of files with the CRC32 algorithm, which gives a high accuracy rate, and makes a decision if the files are identical or not. Although it is a very small chance (about 0.01%), if Need3Space found two or more similar files that it detects to be duplipcates, it will not automatically delete these files. In that instance, only you can make the final decision to delete these files or to keep them. There are many reasons why you get duplicated files on your drives. You can download the same files from the Internet if you forgot that you had already downloaded this file. You often make backups and have a number of identical backups. You create temporary copies of files, for example, for burning files to a CD. Almost all home PCs or office workstations contain duplicated files, which simply waste your storage space. All duplicate files
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