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AllDup

AllDup is professional freeware software for finding and removing duplicate files on Windows PCs. It supports searching duplicates by various file properties including content, name, extension, dates, and attributes. It can find duplicates in multiple folders, drives, archives, and supports previewing files before deletion. It helps recover disk space, reduce backup time, and organize files efficiently.
Latest: 4.5.72
Last checked: Feb 26, 2026 4:50am
Rank: 109/15140
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Overview

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License: FreewareWinget: Available

Version & Lifecycle

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Current: 4.5.72 Avg cadence: Every 156 days

Top Contributors

Top sitewide contributors:

  1. Anbarasan
  2. nico_k
  3. Bob
  4. Vigneshwaran

Community Notes

Deployment note • March 27, 2026
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Deployment tip

Deploy AllDup silently in enterprise environments using AllDupSetup.exe /VERYSILENT /NORESTART /MERGETASKS=!desktopiconalldup,!startmenualldup to suppress UI, prevent restarts, and exclude desktop/start menu shortcuts for a clean installation. Customize further with /DIR="C:CustomPath" to set the install directory or /MERGETASKS=kontextmenualldup to add Windows Explorer context menu integration.

Release Notes & Updates

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Avg cadence:
Updates • 0

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Also known as

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AllDupmtsd AllDup

Notes

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AllDup supports searching duplicates in archives and various file types including photos, music, videos, executables. It offers flexible search criteria and safety features like moving deleted files to Recycle Bin or backup folder.