How to delete duplicate files in Windows 11

  • Duplicate files can take up unnecessary space and slow down your system.
  • There are tools like CCleaner and Duplicates Cleaner that make removal easier.
  • It is possible to find duplicates manually using Windows Explorer or PowerShell.
  • Organizing files and avoiding repeated downloads helps prevent duplications.

How to delete duplicate files in Windows 11

Over time, our computers can become filled with duplicate files without us even realizing it . Whether it's due to repeated downloads , creating backups , or simply disorganizing our files, the accumulation of duplicates can consume a significant amount of disk space. This not only slows down system performance but also makes finding specific documents, images, or videos a much more difficult task.

Removing duplicate files in Windows 11 is key to optimizing your computer's performance. There are several ways to detect and delete these unnecessary files, from tools built into the operating system itself to third-party applications specifically designed for this task. Below, we explore the best options for finding and removing duplicate files, thus ensuring better use of your computer's storage .

Why are duplicate files generated?

The accumulation of duplicate files can be caused by multiple factors. Among the most common causes we find:

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  • Repeated downloads: Sometimes we download the same file several times without realizing it.
  • Disorganized backups: Creating backups without a proper order can result in duplicate versions of our files.
  • Incorrect manual operation: When we move and copy files without deleting old versions, we end up with multiple copies of the same document.
  • File editing: By modifying a file and saving it with a different name, we can create duplicates without realizing it.

How to delete duplicate files in Windows 11

Methods to find and remove duplicate files

1. Use a specialized application

There are several tools designed to efficiently detect and remove duplicate files. Some of the best applications are:

CCleaner

CCleaner is a very comprehensive tool that allows you to identify and remove duplicate files, as well as optimize the performance of Windows 11. Its duplicate file finder helps you locate them quickly.

  • Download and install CCleaner on your computer.
  • Open the application and access the section Tools.
  • Choose Duplicate Finder and configure the search parameters.
  • Choose the folders you want to analyze and click on Search.
  • Once the scan is complete, select the files you want to delete and confirm the action.

Duplicate Cleaner

Duplicates Cleaner is another excellent option, available in the Microsoft Store. Its free version allows you to scan images, audio, videos, and documents.

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  • Download and install the app from the Microsoft Store.
  • Select the type of analysis you want to perform.
  • Choose the folder where you want to find duplicates and run the scan.
  • When finished, review the files found and decide whether to delete or keep them.

How to delete duplicate files in Windows 11

2. Use Windows Explorer

If you prefer a manual method without installing programs, Windows Explorer can help you find duplicate files:

  • Open the File Browser by clicking Windows + E.
  • Navigate to the folder where you suspect duplicates exist.
  • Use the search bar and filter by file type, typing extensions like * .jpg o * .pdf.
  • Sort files by name, date or size to find duplicates more easily.
  • Delete any duplicate files.

3. Use Windows PowerShell

If you prefer an advanced option, you can use Windows PowerShell to find duplicate files using specific commands:

  • Open the start menu and type Windows PowerShell, then run it as administrator.
  • Enter the following command to search for duplicate files in a specific folder:
ls "C:\path\to\your\folder" -recurse | get-filehash | group-property hash | where { $_.count -gt 1 } | % { $_.group }
  • This command will list all files with the same hash, indicating duplicates.
  • Once identified, you can delete them manually or automate their removal with another command.

Tips to avoid duplicate files in the future

To prevent the accumulation of duplicate files, follow these recommendations:

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  • Keep a structured order in your folders and files.
  • Avoid downloading the same file multiple times.
  • Make properly organized backups.
  • Use file management tools that avoid duplications.
  • Periodically review your folders to delete unnecessary files.

Over time, it's normal for our computers to accumulate duplicate files, affecting both storage and overall system performance. By following these methods and tips, we can keep our computer clean and organized, ensuring we make the most of our storage space.

By removing these unnecessary files, we'll achieve a smoother and more efficient system for everyday use. Share this guide so more people can optimize their Windows operating system.


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