How do you merge duplicate files or folders when you’re using a Windows PC?

Linux users have simple tools they can use to quickly compare files, like the diff command for example.

However, what if you just want to merge documents or folders filled with seemingly duplicate lists of files?

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The ability to compare seemingly duplicate files or folders can really come in handy sometimes.

Folder number two contains an extra text file and an extra image file.

Within seconds of clicking OK, the results were in.

Lenovo laptop showing file explorer in Windows 11

As you could see, WinMerge immediately identified the two discrepancies.

MyImage5.bmp and TextDocument4.txt are instantly identified as only existing in the folder on the right, Folder 2.

This software will identify those differences as well.

The file explorer on the Dell XPS 14 9440.

Basically, I inserted the first three pages of Moby Dick into each file.

Then, I inserted three unique sentences in file one, and one unique sentence in file two.

The test is to see whether WinMerge can correctly isolate and identify all three differences between these two files.

duplicate files utility

Here, I’ve set document1 on the left and document2 on the right.

As you’re able to see above, the system successfully identified every single difference.

Here, I’ve highlighted the unique line in document1 and pasted it into the same line in document2.

duplicate files utility

You could do this for individual lines or entire paragraphs - edit either document however you see fit!

Well, there certainly is.

The first nine options in this menu are actually what I would call “semi-automatic” merging.

merge files windows

The last two options are actually the fully automated merge.

Once the process is through, your files or folders will once again be identical.

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