Have you ever moved a desktop folder to the D drive in Windows 11, only to have it merged with a folder of the same name in the destination without any prompting, leaving you wondering "where did the files inside go..."?
This phenomenon of important files being unintentionally mixed together is actually not a bug but a Windows "specification."
This article will clearly explain why this happens, the causes, and how to solve the problem.
Why does Windows 11 merge folders without warning?
This phenomenon has many users confused, so the first step to solving the problem is to understand how Windows handles files.
This is not a bug but a Windows "specification."
In conclusion, it is a Windows specification that folders with the same name are merged without warning.
Specifically, this occurs when you "cut (Ctrl + X) or copy (Ctrl + C)" and "paste (Ctrl + V)" the folder, or when you "move" the folder by dragging it with the mouse.
If a folder with the same name exists at the destination, Windows will assume that the user wants to combine the contents of the two folders into one, and will automatically merge the contents.
| Steps to follow | Moved from | Destination | Result |
| Moving a folder | A folder ├ 1.txt └ 2.txt | A folder ├ a.txt └ i.txt | A folder ├ 1.txt ├ 2.txt ├ a.txt └ i.txt (Merged without warning) |
This feature is very useful if you want to consolidate photos and documents from multiple locations into a single folder.
However, if the user is unaware that a folder with the same name exists in the destination folder, unintentional file merging can occur, causing confusion.
Display warning when merging folders
To display a warning when consolidating folders, you need to change a Windows setting.
1. Press Windows Key + R to open Run, type the following command and press Enter:
rundll32.exe shell32.dll,Options_RunDLL 0
2. 「File Explorer Options" will open, so open the "View" tab and click "Hide folder merge conflicts" and click OK.
The setup is now complete, so try moving a folder and check if the "Confirm Folder Overwrite" message appears.
Click "Yes" to merge, or click "No" to cancel the folder move (copy).
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