Defrag Tools #146 - WinDiff

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In this episode of Defrag Tools, Andrew Richards and Chad Beeder talk about WinDiff. A tool used to compare folders and files.

[01:20] - WinDiff
[02:55] - x64 version available on Defrag Tools OneDrive
[04:53] - File or Directory compare
[10:22] - Alt-B (Both), Alt-L (Left), Alt-R (Right)
[11:40] - F7 (Previous Change), F8 (Next Change)
[13:00] - Outline/Expand (Esc)
[14:44] - Tab Width (4 characters instead of 8 characters)
[18:00] - Email us your issues at



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The Discussion

  • User profile image
    Gordon Bell

    A great Open Source alternative is WinMerge (

  • User profile image

    I've found the tool in VS 2013 has the tearing problem, so I use KDiff3 (

    It also has the capability to do 3-way merging and to copy changes from one side to the other.

  • User profile image

    I recall seeing WinDiff being used by a Microsoft employee in an 'old' video.  It might have been the VHS tape distributed with NT 3.1 Advanced Server.

    I also think the source for an early version was distributed in a Win32 SDK or Platform SDK.

  • User profile image

    FWIW the official Microsoft support page for WinDiff says it's no longer supported, which begs the question of why it's being featured here.

  • User profile image
    old but gold

    IIRC, the windiff source code was distributed with Visual Studio 1.52. Could you put it on github?

  • User profile image

    seriously guys, WinDiff?  this tool hasn't been state of the art for 20 years.

    use Beyond Compare, nothing else comes close.

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