Up to 65% Off – DupInOut Duplicate Finder: Lifetime License | A Specialized Duplicate File Finder – for Windows

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Deal Score+190
$67.02 $190.00 BUY NOW
Deal Score+190
$67.02 $190.00 BUY NOW

Fix duplicate documents, music, videos, photos and enjoy clean, organized computing. Get DupInOut Duplicate Finder lifetime license that includes a free updates & support with a discount of up to 65%!


✔ Save up to $122.98. ✔ Free Product Updates ✔ 24×7 Customer Support ✔ #-day Money-back Guarantee.

DupInOut Duplicate Finder Review at a Glance

DupInOut Duplicate Finder is a specialized duplicate file finder that helps you reclaim lost storage space and keeps your files organized. Get rid of GBs of digital junk accumulated over years and make room for new files.

DupInOut Duplicate Finder analyzes your files by comparing their content, and not file names. It identifies duplicate files on your computer by generating a hash of each file’s content and comparing it against hashes generated from other files.

A hash is non-reversible. This means that, you cannot get back the original data from a file’s hash. CRC-32, MD5, SHA-1 and SHA-256 are some of the examples of the file hashing algorithms used across the world. By default, DupInOut Duplicate Finder scans your files using the CRC-32 hashing technology, however you can change the default hash algorithm from the Scan Engine tab in the program settings


Data Protection Mechanism

Post-Scan Protection

Human errors cannot be entirely prevented. If you’ve hundreds of thousands of files to review, your actions are often prone to human errors and misjudgement. We believe that your data is not just a piece of information. It is your valuable digital asset. We care about your data. This is why, DupInOut Duplicate Finder has an in-house Data Protection Mechanism system in place.

File Type Filters
File Type Filters

Data Protection Mechanism ensures at least one file is unmarked in each duplicate group to prevent accidental data loss. When you inadvertently mark all the files in one or more duplicate groups, the Data Protection Mechanism will detect the pattern and show up the following message. It will then automatically un-mark at least one file in each group to protect your data. This is an essential security feature which is carried automatically. You cannot disable it from the program settings or anything for that matter.

Pre-Scan Protection

DupInOut Duplicate Finder automatically excludes known system files and folders from the Duplicates Search for the protection, security and integrity of your operating system and installed applications. Please note that some of these files and folders may be hidden and may not visible in the File Explorer, or some of these folders may not be available on your system depending on the Windows version you use and your current system configurations.

Mark Duplicates

Review and Fix
Review and Fix

If you’ve hundreds of thousands of duplicate files in the list, manually reviewing each one
can be a long, tedious job, and often prone to human errors. With DupInOut Duplicate
Finder, you don’t have to sit back for hours reviewing your Duplicates List. DupInOut makes
it incredibly easy to review your files and select duplicates using predefined patterns of your

Safe List Feature

When you scan for duplicate files, you may not know where your duplicates are located and which files will show up in your Duplicates List. Sometimes, you may inadvertently scan important folders (such as a folder containing intentionally created backup copies of your documents) that must be preserved at any cost and must remain unaffected from human errors.

What should you do if you inadvertently scanned such folders and the files show up in your Duplicates List? Will you need to perform the duplicate scan again while excluding those folders? Thankfully, DupInOut Duplicate Finder saves your time, efforts and protects your data from human errors by allowing you to exclude such already scanned files. With automated file marking/ un-marking patterns available, you can exclude important files from the Duplicates List and move those items to a separate list called Safe List. Just like any unmarked file, anything that you move to Safe List will be kept unchanged. No action will be taken against these files. You can thus protect your crucial documents from being accidentally marked for deletion. If you change your mind, you can move excluded items from the Safe List to the Duplicates List.

File Organizer

Organize Files
Organize Files

DupInOut Duplicate Finder comes with an in-house File Organizer to organize your files efficiently. You can store your files in an organized manner in to unique directory structure of your choice. For example: You can store all the invoices of your customers by their date of creation such as D:\Invoices\2021\06\03\Invoice1.pdf. Similarly, if you’re a photographer, you can organize your photo library into folder structure by their creation, modification date or file type.

Screenshots of DupInOut Duplicate Finder


Key Features of DupInOut Duplicate Finder

  • Easy Drag & Drop Interface
    • Drop folders you want to scan into the Search Folders List
    • Drop folders you want to exclude into the Ignore Folders List
  • Customize your Scan
    • Choose predefined file extensions list to search or ignore (for example, documents, photos, music, videos, etc.)
    • Create your own custom list of file extensions, or modify the existing ones
    • Set up upper & lower file size limits (For example, ignore all files above 1 GB)
  • Fast, Reliable & Accurate Scan
    • Compare your files using industry-standard file hashing algorithms (CRC-32, MD5, SHA-1 and SHA-256)
    • Interactive pie-chart statistics
  • One-Click File Selection Algorithms
    • Mark duplicates using predefined patterns (Newest/ oldest created, newest/ oldest modified, etc.)
    • Mark duplicates using custom parameters (file name, path, size, date, hash, group, etc.)
    • In-house image, video & text files previewing functionality
  • Work Smart; Not Hard!
    • Save your existing scan preferences (Search Folders List, Ignore Folders List, File Type preferences, File Size preferences) to a file to quickly load them later
    • DupInOut automatically saves your last scan preferences even if you forget to save them
  • Data Protection Mechanism & Safe List
    • Data Protection Mechanism analyzes your file marking pattern and automatically retains at least one file in each group to secure your data from accidental deletion
    • Another feature Safe List lets you exclude inadvertently scanned files from the Duplicates List using custom parameters (for example, folder, drive, group, mark status, etc.)
  • Fix Duplicates with Confidence
    • Permanently delete duplicate files and free-up storage
    • Move all duplicate files to another folder of your choice and review them later
    • Rename duplicate files using a prefix or suffix to distinguish from the original files
    • Replace duplicates with Shortcuts that open original file when double-clicked
  • Bonus Feature: Create Your Own Folder Structures & Re-organize Files
    • Create unique folder structures of your choice and re-organize files (for example, D:\Invoices\2021\Nov\10\JohnW.docx)
    • Fully-customizable folder structures. Organize files by their creation date, modification date or extension


To run #THE SOFTWARE with optimum reliability and performance, your system should match the following requirements:

  • Supported OS:
    • Windows 11 (64-bit)
    • Windows 10 (64-bit/ 32-bit)
    • Windows 8.1/ 8 (64-bit/ 32-bit)
    • Windows 7 (64-bit/ 32-bit)


Not sure if #THE SOFTWARE does what you need? Try it out now. Please feel free to download DupInOut Duplicate Finder Trial here. This duplicate file manager by has been tested professionally and we are assured that no viruses, Trojans, adware or malware contained.



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