MS Outlook is now a vital part of practically every enterprise. Email is commonly used for communication within an enterprise. However, when there are too many emails in your mailbox, the system becomes slower. Such emails contain a number of similar emails. As a result, people wish to delete duplicate emails in Outlook.

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If you're looking for a reliable way to erase duplicate emails in Microsoft Outlook, this post has the answer. This technical blog will provide a complete solution to your search goal. But first, we'll look at some of the likely causes of duplicate emails in your Outlook mailbox.

Reasons to Delete Duplicate Email Messages in Outlook:

There are various reasons why you should delete duplicate items from your Microsoft Outlook programs. We've explored some of the main causes below.

• Incorrect or improperly synced setup rules can cause this issue.
• Incorrect mailbox configuration or account creation in Outlook. As a result, you can receive identical email messages multiple times.
• The installation of antivirus software results in duplicate emails.
• Duplicate emails in MS Outlook can increase mailbox sizes and cause Outlook data file corruption and hanging issues.

Here are some probable reasons for removing duplicate items in Microsoft Outlook. Now we'll talk about the best ways to accomplish this.

How can I Delete Similar Emails in Outlook?

If you need to delete duplicate emails in Outlook, make sure to use the correct approach.

Method 1: Select Do Not Import Duplicate Items when importing Outlook items.

• Open the Microsoft Outlook app on your local screen.
• Go to File > Open & Export > Import/Export Wizard.
• Select the Import from another program or file option.
• To proceed, pick the Outlook Data File (.pst) option and click Next.
• Add the PST file and select the Do not import duplicates option.
• Finally, select the folder you want to export and choose the Include subfolders option. Click Import things into the same folder > Finish.

Method 2: Check for Configured Rules.

First, determine whether the Outlook rules are configured. If the rules are not properly designed, it will result in confusion between distinct email folders. As a result, you must ensure that the rules are properly configured. Aside from that, it ensures that only one instance of the Outlook application is active. Close the extra Outlook.exe tabs using your system's Task Manager.

Method 3: Set the Inbox Frequency.

This strategy requires you to increase the frequency of inbox updates. First, launch Outlook, and then navigate to the Send and Receive tab. After that, select Define Send or Receive Groups, and send the value within 15 to 30 minutes.

• First, launch MS Outlook on your local system.
• Go to the Send/Receive tab and select Define Send/Receive Groups.
• A new window will appear on your screen. Click on the group you want to change.
• Click the New button to start a new group.
• Then, click the Edit button and select the automatic send/receive every ___ minutes option.
• Finally, select the desired interval of time and click the OK button.

Method 4: Antivirus App

If you have duplicate files in your email, it could be because you accidentally closed the server connection or changed the antivirus application's settings. So, if the synchronization is not correctly turned down, emails that are not marked as received will result in duplicates.

Method 5: Run Outlook's Inbox Cleanup

MS Outlook includes several built-in tools for performing a variety of tasks. One of them is Outlook Inbox Clean-Up, which lets you eliminate duplicate emails from Outlook. Follow the instructions below to delete duplicate emails in Outlook.

• Open MS Outlook on your system.
• Select the folder that contains identical emails.
• Click on the Clean Up area.

As a result, in order to remedy this issue, you must use the antivirus application's manual technique and be unable to configure protection.

Method 6: Outlook Duplicate Mail Delete Verified Solution

The best tool is Softaken PST File Duplicate Remover Software to Get Rid from Duplicate Emails of Outlook. Everything is removed from the Outlook inbox, including emails, journals, contacts, calendars, tasks, and more. The software shrinks the PST file and eliminates every duplicate email item in Microsoft Outlook. Furthermore, the device boasts highly advanced internal technology that facilitates smooth functioning.ers can provide a specific location for the newly created files to be saved as well.  Users can provide a specific location for the newly created files to be saved as well. Follow the instructions indicated below to find out more.

How to Get Rid of Repeated Items in Microsoft Outlook

• To begin with, download the Outlook Duplicate Remover and execute it locally under administrator privileges.
• Next, choose the Outlook PST file that you wish to have duplicates removed from.

• A preview panel allows users to examine all of their emails stored in PST files.
• After that, choose the appropriate folder and click the Next button.
• After that, click the Next button after choosing the PST format as your saving option.
• Select the basis for removing duplicates by clicking the Select Duplicate Criteria button.

• Next, click the Next button after choosing the desired location to save the newly produced file.

• Your duplicate emails will eventually be removed from the selected PST file.

Last Words

The blog, however, is mostly concerned with eliminating duplicate emails from Outlook. We have covered the different causes of Outlook data file duplication in the post above. However, you can eliminate the duplicate emails in Microsoft Outlook after reading the blog. Before acquiring the full version, you can also test how the program functions by downloading and installing the free demo version.