84,488,480 programs installed

Should I remove 4Team DuplicateKiller?

What percent of users and experts removed it?
2% remove it98% keep it
Overall Sentiment
What do people think about it?
Be the first to rate (click star to rate)
How common is it?
Global Rank #27,977
United States Rank #19,006
Reach 0.0056%


3.49.0686 0.91%
3.47.0681 3.64%
3.46.0671 1.82%
3.45.0668 0.91%
3.44.0664 6.36%
3.43.0660 0.91%
3.41.0650 42.73%
3.40.0648 18.18%
3.30.0640 17.27%
3.20.0637 1.82%
3.10.0629 4.55%
3.01.0625 0.91%

4Team DuplicateKiller

What is 4Team DuplicateKiller?  (from 4Team)

Select comparison options to find, merge and remove Outlook duplicates automatically using 4Team Duplicate Killer. This powerful Outlook duplicate remover add-in will make your Microsoft Outlook work faster.


4Team DuplicateKiller is a program developed by 4Team. The most used version is 3.41.0650, with over 98% of all installations currently using this version. A scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). The main program executable is DuplicateKillerLauncher.exe. The software installer includes 6 files and is usually about 7.12 MB (7,460,891 bytes). In comparison to the total number of users, most PCs are running the OS Windows 7 (SP1) as well as Windows 10. While about 73% of users of 4Team DuplicateKiller come from the United States, it is also popular in Sweden and New Zealand.

Program detailsProgram details

URL: www.duplicatekiller.com
Installation folder: C:\Program Files\4Team Corporation\Duplicate Killer\
Uninstaller: MsiExec.exe /X{24F0C37C-7E3A-43B2-9ED6-C020896D2C7C}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 7.12 MB

Program filesFiles installed by 4Team DuplicateKiller

Program executable:DuplicateKillerLauncher.exe
Name:Duplicate Killer
Path:C:\Program Files\4Team Corporation\Duplicate Killer\DuplicateKillerLauncher.exe
Additional files:
  • DuplicateKiller.dll - Duplicate Killer (Add-on for Microsoft® Office Outlook® 2000, 2002, 2003, 2007, 2010, 2013)
  • DuplicateKillerLauncher.exe
  • O2007Events4DK.dll
  • SetLang.exe
  • OutlookEvents.dll - OutlookEvents

Program behaviorsBehaviors exhibited

Scheduled Task
  • DuplicateKillerLauncher.exe is scheduled as a task with the class '{F67D2B50-4ABE-42A6-975D-0F6951CFE672}' (runs on registration).

How do I remove 4Team DuplicateKiller?

You can uninstall 4Team DuplicateKiller from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program 4Team DuplicateKiller, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove 4Team DuplicateKiller.

Win 7 (SP1) 54%
Win 7 1%
Uninstall it 2%
Keep it 98%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows 7 54.55%
Windows 10 42.73%
Windows XP 1.82%
Windows Vista 0.91%
Which OS releases does it run on?
Windows 7 Professional 22.73%
Windows 7 Home Premium 20.00%
Windows 10 Pro 10.91%
Windows 7 Ultimate 9.09%
Windows 10 Home 9.09%
Windows 8.1 7.27%

Distribution by countryGeography

72.78% of installs come from the United States
Which countries install it?
  United States 72.78%
  Sweden 2.53%
  New Zealand 2.53%
  Canada 2.53%
  United Kingdom 2.53%
  Switzerland 1.90%
  Australia 1.90%
  Spain 1.90%
  France 1.27%
  Norway 1.27%
  Netherlands 1.27%
  Germany 1.27%
  Italy 1.27%
  Hong Kong 0.63%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
Dell 30.14%
Hewlett-Packard 24.66%
Acer 8.22%
ASUS 6.85%
Intel 4.11%
Samsung 4.11%
Lenovo 2.74%
Toshiba 2.74%
Sony 2.74%
Medion 1.37%
American Megatrends 1.37%
Common models
HP-Pavilion BK169AA-ABA H... 3.06%
Gigabyte G33M-DS2R 3.06%
Dell XPS 8300 2.04%
Dell OptiPlex GX620 ... 2.04%
HP Pavilion dv7 Notebook ... 2.04%
Parallels Software Intern... 2.04%


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