Windows 10: is there any software to comparing files???

  1.    15 Aug 2017 #1

    is there any software to comparing files???


    For example, I have a couple of hard drives that are storing tens of thousands of files. There might be some files that are identical. Is there any software that can check all files in the drive to see if there are any files that are identical ? The software should not check only their filename but also the content of the files. The same filename does not necessarily mean the identical file.
      My ComputerSystem Spec

  2.    15 Aug 2017 #2

    See here:

    FREE Great Programs for Windows 7 [2] - Page 70 - Windows 7 Help Forums

    Works on Windows 10 too. The interface might be confusing at first but it does what you are asking for.
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  3. Posts : 814
    Windows 10 Pro 1803 64 bit
       15 Aug 2017 #3

    CCleaner has one under tools. I have not used the Content filter yet.

    Click image for larger version. 

Name:	CC Duplicate Finder.JPG 
Views:	2 
Size:	72.8 KB 
ID:	149024

    Jim
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  4. Posts : 133
    Windows XP, 7, 8.1, 10, Knoppix [Debian] linux
       15 Aug 2017 #4

    Tsw88 said: View Post
    For example, I have a couple of hard drives that are storing tens of thousands of files. There might be some files that are identical. Is there any software that can check all files in the drive to see if there are any files that are identical ? The software should not check only their filename but also the content of the files. The same filename does not necessarily mean the identical file.
    Google "doublekiller"
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  5.    16 Aug 2017 #5

    How about windows original command fc.exe


    How to Use FC (File Compare) from the Windows Command Prompt
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  6. Posts : 133
    Windows XP, 7, 8.1, 10, Knoppix [Debian] linux
       17 Aug 2017 #6

    cereberus said: View Post
    How about windows original command fc.exe
    How to Use FC (File Compare) from the Windows Command Prompt
    It works, but I'm not sure it would be suitable for the task that the OP is facing; i.e. comparing "tens of thousands of files".

    AFAIK it has significant limitations:
    • The exact folder locations of the files to be compared must be explicitly entered
    • It can only compare the contents of a maximum of two folders at a time.
    • The files to be compared must have the same exact name, otherwise misnamed duplicates can be missed.
    • There is no built-in function that automates (preferably by a GUI) a summary display of duplicate files and a means to deal with them (i.e. choose which duplicates to move, delete, etc).


    Doublekiller, which I referred to above, is a simple, elegant GUI program which addresses every one of these deficiencies.
    Last edited by mike s; 17 Aug 2017 at 07:37.
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