How to Find and Delete Duplicate Files in Windows With NoDupe

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The only thing that comes to our mind when we get low disk space notification is a disk cleanup. Although a disk cleanup is an effective way to reclaim hard disk space by deleting cache and temporary files, but if you want to free up some more space then deleting duplicate files will also help you get back considerable amount of disk space.

Obviously you can’t imagine spending your weekend hunting and dumping duplicate files on your computer manually. To make this task automatic, one of the best available options is NoDupe.

What is NoDupe

NoDupe is a free tool to find and delete duplicate files on your computer effectively and efficiently. While sometimes one might keep duplicate files at different locations deliberately for better organization, usually most of the duplicate files in the system get generated in the course of copy, paste and download activities, and getting rid of them to reclaim space becomes a necessity.

Note: NoDupe works only with the 32 and 64 bit Windows 7 Operating System.

How to Find Duplicate Files

To start the hunt of duplicate files, install and launch NoDupe. On the main program user interface you will see a list of all the logical drives you have on your hard disk along with any removable media. Select the directories from the tree view you wish to check for duplicate files. Choosing all the directories on your hard disk is not needed, just choose the directories you interact with more frequently.

No Dupe Directories

If you wish to scan for only a specific file type like music, videos or photographs then you can do so by selecting customize under the Search Type section. There are also some advanced settings available which I suggest you leave untouched for now.

custom search

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So all set? Hit the search button and wait for NoDupe to come up with the results. The scanning process will take some time depending upon your directory size. Once the scan is finished, NoDupe will return you the list of duplicate files, if any, found on your system. You can either mark the files manually or use the auto mark tool if manually selecting each file is out of scope.

Results Auto Mark

All you need to do now is hit the delete button. As a result, all the duplicate files will be deleted from your hard disk thus cleaning up unnecessarily hogged space.

Advantages of NoDupe

Here are some nice features of this tool.

Bit-by-Bit comparison

NoDupe scans for duplicate files using the bit by bit comparison and not the by filename, size or tags. Thus the room for any error is almost negligible.

Protects system files

The program hides the system files and folders from the user safeguarding the important system related information.

My Verdict

I have just two words to describe this application – simply awesome. It’s fast, light on resources and the accuracy is 100%. I was able to recover a considerable amount of space on my hard disk which, I have to admit, I never knew I was losing due to duplicate files. Don’t forget to run this tool on regularly, whenever you do a scheduled PC maintenance.

Summary
Reviewer
Ashish Mundhra
Review Date
Reviewed Item
NoDupe
Author Rating
5

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  • John

    So why do I get an instant, impossible-to-ignore severe warning for this site for being flagged with malicious software per Window, the moment that I hit the download key?

    • Abhijeet

      That’s strange John…which tool gives you the warning? Is the antivirus that you’ve got installed or do you get it in the browser by Google or some other online service?

  • John

    Abhijeet- you’ve got a bit more of a reply in my e-mail in response to my comment, but to others reading this, as is well. Whatever brought up the flag is gone (suspect perhaps a false anti-virus alert?).

    • http://nodupe.co.uk Richard

      Hi John,

      I’m the author of NoDupe (thanks for the nice review btw Ashish!).

      If you get any more warnings about the site being unsafe, please let me know. I’d like to try and figure out what caused it so I can stop it happening in the future. I promise that the site and downloads are virus free, and external sites like CNet and SoftPedia have confirmed specific versions are clean (I’m releasing too frequently atm for them to scan all versions).

      I’m pretty paranoid about malware myself, and won’t even include advertising extras in the installer (like many other freeware apps do) as I don’t agree with the practice.

      • http://www.tuckertech.blogspot.com Cindy

        Thank you John, for this helpful review.

        Richard, I’ve downloaded the latest version of NoDupe, but can’t get it to run at all. When I tried to install it a second time, it comes up and gives me to the option to repair or uninstall it, so I know it’s actually installed.

        I’ve tried double-clicking on the icon on the desktop, right-clicking the icon and telling it to run, and even clicking it from the Programs list.

        Do you have any other suggestions? This is something I’ve been needing for a long time!

        Thanks,
        Cindy

        • http://nodupe.co.uk Richard

          Hi Cindy,

          this is strange, I assume you’re using Windows XP or Windows 7? If you start Task Manager (ctrl + shift + escape) does NoDupe.exe appear in the Processes tab?

          Can you email me via the contact page on the website and I’ll try to get this sorted for you.

  • John

    Thanks, Richard. I’ve used it a couple of more times, again with nary a problem. No idea why that message popped up- twice- when I first tried to download it, but of course, as I said in my e-mail to Abhijeet, it’s probably akin to taking the car with a strange noise in it to the mechanic, but finding that it’s disappeared when he takes a look. However, each time I have used it since, nothing has popped up again- and oh yeah, your program certainly has accomplished for me what I wanted it to. And, it’s a hell of a lot faster than one other that I’d tried earlier, cancelling the scan well after I’d started it- and it still had a lot of files to go through. Hence, here I came. So, thanks again.

  • antony

    I recommend Duplicate Finder for finding duplicate files, such as photo files, music files, and image files. It has the following ways to search for duplicate files: search by content, search by properties, files with a zero size.
    http://www.duplicate-finder-download.com

  • Ricktor

    Thanks for the information. Also try Long Path Tool. It helped me with Error 1320 on Win 7. :)

  • mark bun

    Another alternative tool is “DuplicateFilesDeleter” an quick fix for duplicate files.