Steps to Remove Duplicate emails in Outlook

Last updated on May 19th, 2023

Microsoft Outlook is one of the prominent email clients used all over the globe. Outlook offers a lot to users for the smooth management of emails; however, users also face some email issues. Duplicate emails are an ordinary issue user face, and everyone wants to eliminate them. If you are one of those who have faced the same issue, then this blog will help you to sort out this problem in Outlook. You can easily remove duplicate emails in Outlook 2019, 2016, and, 2013 and other versions. Before moving towards finding a solution to remove Outlook duplicate emails, let’s discuss the problems you will face, and the reasons for duplication.

Download a trial version of Outlook Duplicate Remover Tool to know in a better way.

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Reasons that result in duplicate emails in Outlook

Several reasons cause the Outlook data duplicity, some of which are:

  1. Improper Account setup

 It causes the repeated synchronization of incoming messages; when one mail account is used on different devices. It can cause email duplication in Outlook mailboxes.

  1. Sending and receiving intervals

If the inbox is updated with low frequency, the emails and mailbox data might not be synchronized and can cause duplication.

  1. Virus scanner

When we set an Anti-virus program on the same machine that runs Outlook, this might interrupt send and receive requests and can cause data duplicity.

What problems will you face due to Outlook Duplicity?

  • If you configure Outlook with Office 365 and Microsoft Exchange, it will increase the size of mailboxes. Over-size mailboxes have more chances of corruption.
  • Due to the duplicate emails, the Outlook backup will need more space. If you store Outlook backup in any external cloud storage, you must spend extra money for extra space.
  • A duplicate copy of the email and mailboxes makes the PST files oversized and can cause PST file corruption. Each time the application starts, it reloads all the messages on the server, and duplicate emails can affect the machine’s performance.
  • Nowadays, business organizations deal with multiple sources to increase their productivity. They have to deal with numerous emails and reply to each message. Duplicate emails become a significant issue for them.

How to remove duplicate emails in Outlook 2013, 2016, and 2019?

Crosscheck for the suggestions below to remove duplicate emails from Outlook 2016 and other versions.

  1. Configure the rules correctly

Analyze the Outlook rules correctly and ensure they are set up correctly. As it creates confusion between sending and receiving an email, this will lead to duplicity in emails.

  1. Setting up the email frequency

To remove duplicate emails in Outlook using this method, follow the below steps:

  • Open Outlook, and click on the send/receive button on the ribbon bar.
  • Now click on send or receive Group, then click on define send or receive groups.
  • Now schedule “an automatic send/receive every” value for anything between 15 to 30 minutes, then click on the close button.

This is how you can remove duplicate emails in Outlook using manual methods. But, sometimes, manual methods do not work to remove duplicate emails. Straightly saying they have limitations and drawbacks, manual methods are not appropriate to remove duplicate emails in Outlook. Manual methods are very complex to pursue. Users must remove duplicate items one by one, making the process slow and tedious.

Using a professional third-party solution:

To remove duplicate emails in Outlook 2010 and other Outlook versions, Shoviv Software offers an advanced utility. Shoviv Outlook Duplicate Email Remover Tool, developed by Shovivis one of the prominent tools for removing duplicate emails in Outlook. One can easily remove duplicate emails by using this duplicate email remover tool. It allows users to remove Outlook emails from multiple files in a single process. The software can remove duplicate emails in Outlook, calendars, tasks, journals, notes, etc. Users can easily remove duplicate emails in Outlook 2016/ remove duplicate emails in Outlook 2019 and all Outlook versions.

Key features of Shoviv Outlook Duplicate Email Remover Tool

  • It has a simple graphical user interface, which makes it easy to use for everyone, even for non-technical users.
  • The software has a check/uncheck feature that allows users to remove duplicate content as per choice.
  • Being a professional tool the software provides a facility to remove deleted items. One can choose that option for eliminating the deleted duplicate items.
  • After removing the duplicate emails, Shoviv Outlook Duplicate Email Remover can save the new PST file in the desired target.
  • Shoviv Outlook Email Recovery Tool comes with a free demo version. It is recommended to use a free trial version to check the performance and skills of the duplicate email remover for Outlook.

How to Use Shoviv Software to Remove Duplicate Emails in Outlook

  • First, Install and Open The Shoviv Duplicate Remover Tool.
  • Now click on the Add/ Search option to add a file and then click the Next button.
  • Here choose the Target for the resultant file. Comparison criteria and Item filter options are also given. Besides this, the Search Duplicate Items within the Folder and Search Duplicate Items across the Folder option are also given. However, use it according to your requirements. After using these options, make click on Next.
  • The status page will open as the process completes. Users also can save it for later use.
Final Words:

No one wishes for duplicity in the data, but if there is an issue of duplicity in the Outlook files, then duplicate email removal is a must for the task. Many drawbacks are associated with manual methods hence professionals do not prefer them. A professional tool, i.e., Shoviv Outlook Duplicate Remover Tool, is very advantageous for this task as it offers advanced processing. One can quickly check using the free demo version.

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Yes, this software works for all versions of Outlook. You can add .pst files created by any Outlook version.
It is compatible with all versions of Windows O.S. hence no need to worry about the Windows version.
Shoviv Software provides 24*7 technical support with the tool. You can contact us via live chat/telephone or write us at
Yes, you can add multiple .pst files and remove the duplicity.
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