Duplicate file finders like Duplicate Cleaner aid the user in finding duplicate files. The software program has been designed to scan a computer system thoroughly for duplicate files. It provides access to a file search but also to a specialized music search in its interface. The music search will scan mp3, wma, ogg, flac and ape files on the computer system and compare artists, titles and albums in the meta tags plus the usual file size and file name. Files on the other hand can be checked for various parameters including crc, name, file size and date.

Specific folders and partitions can be added to the scan which will create three listings in the end. One will display the duplicate files found in the selected folders, another will display all zero byte files and the last will display all files that have been scanned by the program.

A selection assistant is provided to make the selection of duplicate files easier. The options offered are quite extensive. It is possible to keep audio files with the highest bitrate, length or sample rate. Other filters include selection by date and time, file size, group, pattern in name or path and those that are not located in a master path.

Scan time will vary depending on the parameters of the scan, the number of folders and files and the speed of the drives. Duplicate Cleaner is a sophisticated computer software program to find duplicates on a computer system.

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Certain file types can be excluded from scan, the default configuration exlcudes dll, sys, vxd and inf files from the scan. You could add more files that are important in your case or remove any of the default ones. You could on the other hand limit the scan to files matching a certain filter. It would be easy to setup a scan that would only scan for images for instance using this filter. (good way to check for duplicates in image collections of 100000+ images)

Last but not least you can leave out files that have a certain file attribute such as read only, system or hidden. System files are excluded from scans by default. A last parameter makes it easy to define a rule that files will not be scanned if the file size exceeds or undercuts a give size.

The lenghts of a scan depends on various factors such as hard drive space, filters that have been set and speed of hard drive. Doublekiller is a clever program that makes it easy to scan through a large list of files and free up disk space in the progress.

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