Deduplication is the finding and removal of duplicate files.

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Which duplicate files and folders finders exist for Windows? [closed]

I need a free duplicate file finder/remover app, with ability to find duplicate files/folders by name and/or by size and to remove one of duplicates.
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5answers
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Free Duplicate mp3 finder

Sometime back I had used a duplicate file finder for mp3 by analyzing the content.Unfortunately it was not free and the shareware had a lot of limitations. Are there any freeware/OSS ones to detect ...
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4answers
2k views

Is there a compression or archiver program for Windows that also does deduplication?

I'm looking for an archiver program that can perform deduplication (dedupe) on the files being archived. Upon unpacking the archive, the software would put back any files it removed during the ...
8
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6answers
3k views

Ways to deduplicate files

I want to simply backup and archive the files on several machines. Unfortunately, the files have some large files that are the same file but stored differently on different machines. For instance, ...
6
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3answers
2k views

Why do I have identical files in one directory, in Windows 7?

I just rebuilt my system after a new Power supply fired my CPU, MBD, Video card & a Blu-Ray drive. During all this I had to restore Windows from a backup (sector copy). All seems well, but ...
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1answer
134 views

File synchronising software

Throughout my PC I have to have exactly the same files in more than one location (for one reason or another) and it's getting really difficult to keep track of them all and keep them all up-to-date ...
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1answer
725 views

Two PDF files, identical except for possibly different cover pages — how to remove duplicates?

I have a bunch of PDF files which are articles downloaded from various Journal websites. The problem is, some of these PDF files are duplicates of one another. However, if I run a basic duplicate file ...