Here are some key features of "AllDup":
· Fast search algorithm
· Find duplicates with a combination of the following criteria: file content, file name, file extension, file dates, file attributes!
· Search is performed in multiple specified folders, drives, media storages, CD/DVDs...
· Search through an unlimited number of files and folders
· Search for duplicates of music and video files
· Search for duplicates of digital photo files
· Search for duplicates of executable and any other files
· Entire folders or individual files can be excluded from the search by masks or size conditions
· The built-in file viewer allows you to preview many different file formats and analyze the content of the file before deciding what to do with it
· Ignore the ID3 tags of MP3 files
· Convenient search result list
· Many flexible options help you to select unnecessary duplicates automatically
· The unnecessary duplicates can be deleted permanently or copied/moved to a folder of your choice
· Save and restore the search result for continue working later
· Export the search result to TXT or CSV file
· Create shortcuts or hardlinks to the last original file
· For your safety all files that have to be deleted can be moved to the Recycle Bin or a separate backup folder
· Detailed log file about all actions

What's New in This Release:
· NEW: Search Criteria: Added the option "Ignore the following characters when comparing the file name".
· NEW: Search Options: Now you can scan archive files with the format ZIP and RAR.
· NEW: Search Options: Addd the option "Show file attributes at the search result (slower)".
· NEW: Source Folder List / Context Menu: "Add new folder filter".
· NEW: Search Result: Now you can hide columns which are not needed.
· UPD: Search Result: Now the file name and file path will be displayed in separate columns.
· (!!!): Stored search results from version 3.1 or lower can no longer be loaded.
· FIX: Various optimizations have been introduced in various sections of AllDup. Various bugs have been fixed.

Home Page - http://www.alldup.de/en_alldup.htm