How to Remove Duplicate Emails from Outlook

In an organization, emails play a vital role as they are the most frequently used communication mode. When it comes to emails, most of the organizations prefer to use Microsoft Outlook to organize and manage emails efficiently. However, sometimes, while working with MS Outlook users face duplicate emails problem. When duplicate emails are present in the Outlook mailbox, then the workflow of the users is affected indirectly. There are many issues faced by the user due to Outlook duplicate items, such as storage issues, the performance of MS Outlook degrades etc. Thus, to remove duplicate emails in Outlook becomes crucial for the user.

Now, the question arises, how to eliminate Outlook duplicate? The user can easily remove duplicate emails in Outlook archive by following the methods explained in the below-mentioned section.

Also Read: Export EML Files to PST Format Using EML to Outlook Converter

Reasons that Result in Duplicate Emails in Microsoft Outlook

Here are some reasons listed below that cause duplicate data items in Outlook:

• Incorrect configuration of rules
• Short intervals while sending and receiving messages
• Error at the time of account setup
• Inappropriate settings of the mailbox
• Technical Issues

Multiple Ways to Remove Duplicate Emails in Outlook 2013, 2016, 2019, 2010

In this section, we are going to introduce different methods to delete duplicate emails in Outlook.

Method 1: Check MS Outlook Account Settings

In many cases, the users configure MS Outlook files multiple times. This adds various accounts to Outlook while synchronizing the PST file. Thus, it results in different copies. To remove it the user has to follow the steps:

1. First, open MS Outlook on your system
2. Navigate to File and then click on Info > Account Settings
3. Click on the Mail tab in the Account Settings windows and search for the configured account name
4. Now, if you see that the account is configured with the same name more than one time. Then remove the additional account by selecting the mail account and then choose Remove option
5. Finally, click on the Close button. Your duplicate account will be removed

Also Read: How to transfer Windows Live Mail to MS Outlook?

Method 2: Import and Export Option

The user can also make use of Import and Export option to remove duplicate emails in Outlook.

1. Start MS Outlook on your system
2. Go to Option > Open > Export
3. Now, click on the option of Import/Export
4. After that, you need to choose Import from other file or program option and click on Next
5. Select PST > Next
6. Next, browse the data file to import and check an option ‘do not import duplicates’. Click on Next
7. Select Outlook data files to export and then click Finish
8. Change the view settings for removing duplication

Method 3: Clean Up Tool of Outlook

Clean up Tool is the inbuilt utility of Microsoft Outlook. This tool allows the user to remove duplicates from Outlook files and folders. To remove duplicates with the help of Clean Up Tool, the user can follow the step by step process explained.

1. First of all, you need to open MS Outlook on your system
2. Now, select Cleanup option to expand all the options
3. After that, you will see three options: Clean up folders, Clean up the conversation, Clean up folders and subfolder
4. Select Clean up folder and subfolders option and then click on Yes
5. Choose Settings option to provide the location of deleted folder items manually
6. After selecting the Settings option, you will notice a window will appear
7. Click on the Browse option to enter the location of the Outlook PST file
8. Select the folder that will appear and select Delete Items option and click on OK

Also Read: Upload PST to Office 365 without Outlook

Removing Duplicate Emails in Outlook Automatically

For most of the users, manual solutions are quite complicated. Thus, they search for a simple yet instant way to eliminate duplicate emails in Outlook. So, the users can opt for Outlook Duplicates Remover. With this utility, the user can also delete Outlook duplicate contacts along with emails, from Outlook 2019/2016/2013/2010 etc. without any data loss. The software is designed with the user-friendly interface which makes easy for technical and non-technical users to work with it.

Bottom Line

Duplication of emails in Outlook is a very complex problem for all the Outlook users. Additionally, it makes difficult for the user to work with Outlook and workflow is also disturbed. Thus, it becomes important for the user to remove all Outlook duplicate emails immediately. To help out all the Outlook users, we have introduced different ways to remove duplicate emails from Outlook 2016, 2019, 2013, 2010 etc. in the above section. The user can opt any method according to his/her choice.