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Duplicates Remover For Outlook 2021/ 2019/ 2016/ 2013/ 2010 Know Here

Published By Raj Kumar
Aswin Vijayan
Approved By Aswin Vijayan
Published On February 28th, 2024
Reading Time 7 Minutes Reading
Category Outlook

Are there duplicate items in your inbox? Don’t know how to manage duplicate emails in Outlook 2021, 2019, 2016, 2013, 2010? Are you looking for a solution to remove duplicate items from Outlook? If yes, then you have come to the right place. In this blog, you will learn about a free duplicate remover for Outlook. Just stay with us.

Microsoft Outlook is a widely used email client among business or enterprise users. It lets users work in offline mode also which gets updated automatically as the connection established again. Like any other mailbox, the Outlook mailbox includes all data items such as emails, contacts, calendars, tasks, notes, and journals. Now, having duplicate items in a mailbox is one of the common issues faced by almost every user.

The management of duplicates will become difficult for a user when they are large in number. Then, a user needs to look for some solution to deal with duplicates properly. To make this task convenient for the user, Outlook duplicate remover software suggested in the post.

Table of Content

Learn How Duplicate Items Cause Problems

MS Outlook is one of the most user-friendly email applications in the MS Suite. Microsoft Outlook requires a large number of resources to function properly. Duplicating messages and emails is a typical problem for Outlook users. Users will almost certainly encounter the following problems at some point in their lives.

  • Duplicate emails cause chaos. Users cannot authenticate whether or not an email was replied to. If users proceed to the same email many times, it will occur further among team members and clients.
  • Duplicate emails unnecessarily increase the size of MS Outlook data files. The Outlook program slows down. It hurts business output. It takes longer to access new emails and respond to them.
  • Duplicate items will increase the size of the Exchange/Office 365 mailbox. if Outlook is set up with an exchange server or Office 365.
  • Microsoft Outlook Backups will take up more space, and if users save backups to any portable cloud storage, users will have to pay more for more storage space.

Why Is It Necessary to Delete Duplicates from Outlook?

If a user is having duplicate emails in Outlook 2021, 2019, 2016, 2013, and 2010, then it needs to be handled as soon as possible. However, duplicate items in Outlook might create lots of issues. For example, it might create confusion for the users among the same emails multiple times. In addition, it occurs storage space also results in storage issues. Microsoft Outlook starts hanging and its performance degrades.

All such problems make it necessary for the user to remove duplicate emails from Outlook. Now, the question is how it can be done smoothly.

Outlook Duplicate Remover Software to Deleted Duplicate Items – Just Try It!

Outlook Duplicate Remover is one of the great tools to deal with duplicate items. It is smart software to remove duplicate items i.e., emails, contacts, calendars, tasks, notes, and journals from Outlook. A user just needs to add a PST file and the software will automatically detect and remove duplicates in a few simple clicks.

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It is capable of deleting duplicates from password-protected PST files and also both ANSI and UNICODE. Apart from this, it also allows users to delete duplicates via email fields. The software is compatible with all versions of Microsoft Outlook 2021, 2019, 2016, 2013, 2010 and Windows OS.

Advanced Features Offered By Outlook Duplicate Remover

There are several features provided by the Outlook Duplicate Email Remover tool that make it more attractive and are described below:

  • Remove Duplicates from PST/OST/BAK Files in Batch: A user is allowed to delete duplicate items from multiple PST/OST/BAK files at once. The Add File(s) and Add Folder options make it easy for the user to overcome duplicates from multiple PST files in a batch.
  • Capable of Delete All Duplicate Items: The software removes all data items like emails, contacts, calendars, tasks, and notes from the Outlook PST file. A user can delete duplicates from selective data items by choosing a particular data item.
  • Find & Remove Duplicate via Email Fields: A user can search for duplicates based on multiple criteria. It allows to locate duplicates via email fields like to, subject, attachment, cc, bcc, body, etc.
  • Two Ways to Delete Duplicates from PST: Free Outlook Duplicate Remover software provides two options to delete duplicates. One is Across Outlook Folders, it will check for duplicates in all folders of PST files and delete them at once. Another option is Within Folders to look for duplicates in each folder separately.
  • Split Outlook PST file:- This Outlook duplicate remover software has the option to split large-size PST files. How to split Outlook PST/OST file size and remove duplicates from Outlook data file at the same time. The maximum size to share the file is 200 GB.
  • Generate Complete Process Report: When the duplicate removal process completed successfully, an export process report generated by the software. It includes all details of success count, fails count, source file path, etc., and saves in CSV format at the destination location.
  • Diverse Action to Remove Duplicate Items: It gives different action options to draw out duplicate items from Outlook PST/OST/BAK files like Delete Permanently, Move to Deleted item folder, Move to Folder, Put Flag, and Mark as Expire.
  • Delete Duplicates from Single Folder: – If users want to find and clean up duplicate emails from the same folder, check this option. Outlook duplicate remover will analyze the complete folder separately and remove all located duplicates. It is useful when users do not want to delete duplicates across all folders of Outlook PST files.
  • Remove Duplicates from Folders: – If you want to delete duplicates from multiple folders, you can go to the cross folder. This tool will analyze all PST file folders and eliminate duplicates from them. It is usable to remove duplicates from all folders of Outlook PST at once.

Now, after knowing the tool features, let’s move toward the working steps of the tool.

Detailed Working on the Duplicate Remover For Outlook

1. First download and install the tool on your machine. Once the user completes the installation process, run the tool.

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2. Now, click on the Add File and Add Folder to add the PST file.

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3. After that, select Within Folder(s) or Across Folder(s).

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4. Then, select the destination location to save the duplicate.

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5. After that, choose the Item types like Email, Calendar, Tasks, Contacts, Journal, and Notes.

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6. Now, Choose the Action that you want to perform.

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7. Once the de-duplication process is over click on the OK button to complete the task.

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Availability of Free Duplicate Remover for Outlook

Free Version: A user can download the demo version of Outlook Duplicate Remover software and try it for free. As it is a free version of the software so, it has some limitations. It allows the users to export 15 items per folder after removing duplicates from the PST file.

Licensed Version: After being satisfied with working on a free version of Duplicate Remover for Outlook 2021, 2019, 2016, 2013, 2010, and 2007 a user can purchase the full version and have complete access to the tool. It does not impose any export items limitation.


Whenever it comes to dealing with duplicate items in Outlook 2021, 2019, 2016, 2013, 2010, and 2007, a user suggested trying free duplicate Remover for Outlook. It is one of the best solutions to remove duplicate items from Microsoft Outlook. It is a safe and secure application to use without the risk of data loss.

Frequently Asked Questions

Q 1. What is the difference between deleting and cleaning in Outlook?

Ans. Deleted items contain all unnecessary messages. When users clean up their conversation, all conversation messages moved to the Deleted Items folder. The User Deleted Items folder also allows users to recover messages.

Que 2. Does Outlook automatically remove duplicates?

Ans. It is not possible to automatically delete duplicate contacts in your contacts folders after they generated. MS Outlook allows users to transfer contacts from a file and check for duplicates when re-importing.

Also Read:

6 Major Causes of Duplicate Emails in Outlook

A Quick Way to Deduplicate Outlook Contacts