How can I find and remove duplicate files on Windows 10/11?

For Windows 10/11 I’d be careful with anything that deletes immediately. A safer workflow is: scan first, review duplicates by folder/date, then move to a temporary quarantine folder before deleting. If you want a Windows Store option, I’m building GROSIFT around that kind of local-first cleanup workflow — duplicate files, photo/file organization and review before acting. It has two hash algorithmn and a similar option as well for photos with a best in class auto suggestion.

PCMANAGER is the Windows App you need.  In the Storage section is a remove duplicate files option.  There are many useful PC optimiser elements and its safe.  Available for free from the Microsoft Store. 

Using the Command Prompt to find and remove duplicate files on Windows 11 involves utilizing PowerShell or batch scripts. This approach is more technical but can be effective for users who are comfortable with command-line tools. Here's how you can do it with a batch script:

Get-ChildItem -Recurse |

Get-FileHash |

Group-Object Hash |

Where-Object { $_.Count -gt 1 } |

ForEach-Object { $_.Group | Select-Object -Skip 1 } |

Remove-Item

After running the script, you can verify that duplicates are removed by checking the directory manually or by running the script again to see if any duplicates remain.

This is a very powerful method to find and remove duplicate files on Windows 10 and can handle large directories efficiently, but it's also risky because it involves directly deleting files. If you're not comfortable with this approach, using a dedicated duplicate file finder tool might be safer.

In my experience, it is more efficient to use a duplicate file remover app for PC in order to find and remove duplicate files on Windows 11 and Windows 10. Here is why:

Efficiency: Third-party tools are specifically designed to find and remove duplicates, making the process faster and more accurate.

Customization: These tools often provide detailed options to customize the search, allowing you to exclude certain files or directories.

Ease of Use: Most of these tools come with user-friendly interfaces, making it easier even for non-technical users to remove duplicates.

While Windows 11/10 offers many great built-in features, managing duplicate files requires specialized tools that are best provided by third-party duplicate file remover software for PC.

This website is marked as "unsafe" and the scanner link is given in Chinese.  Don't think I want to use it.

Removing duplicate data from Google Drive becomes quick and hassle-free with MacSonik Google Drive Duplicate Finder. The software performs a deep scan across My Drive and Shared Drives to locate duplicate files, even if they are stored in different folders or renamed. It offers a clear preview of detected duplicates, enabling users to safely select and remove unwanted copies in bulk. Designed to handle large Google Drive environments, the tool improves storage efficiency and overall Drive performance.

Also Read: https://www.macsonik.com/blog/remove-duplicates-in-google-drive/

On Windows 10/11, manually finding duplicate files using File Explorer can be slow and often misses files with different names. A more reliable option is to use a dedicated cleanup tool. You can scan your system, find duplicate files across folders, preview them, and safely remove extra copies using wmastercleanup.com This helps free up disk space and keeps your computer organized without risking important files.

I recommend: Directory Report

It can find duplicates based on the same name, size, CRC and/or comparing byte-byte-byte

You can open duplicate files withing the tool to verify if they are really duplicates (photos)

It has extensive filtering so you can skip Windows directories (Program Files)

Website has videos to show you how