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6 Major Causes for Duplicate Emails in Outlook 2019 / 2016 / 2013 / 2010

Anuraag Singh | July 10th, 2019 | Tips, Updates

Unable to manage or duplicate emails in Outlook mailbox? Creating lots of confusion? Do not know the causes for duplicate emails in Outlook? Want to remove duplicate emails in Outlook? You have reached the right place. Here, you will get the answers of all such queries.

Microsoft Outlook is one of the finest application that is used by millions of users across the globe. It is majorly famous for business use as offer really good professional way of email communication. In addition, it is helpful in enhancing business also. Like any other email application, Outlook mailbox stores emails, contacts, calendars, journals, notes, task, etc.

Now, having duplicate data items in your mailbox is not a new thing. It is the most common situation faced by the any email application users. If someone is sending you one email again and again, it is obvious that you will duplicate emails. But, there can be many other possible causes for duplicate emails in Outlook.

In order to remove duplicate emails from Outlook without any hassle, simply download the free application below:
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Having duplicates in mailbox can create lots of issues like storage space issue. Thus, this blog will let you all know about those reasons in detail and how you can remove duplicate emails in Outlook. Just continue reading the blog.

Top Causes for Duplicate Emails in Outlook 2019 / 2016 / 2013

There can be several possible reasons for duplicate emails in Outlook. So, a user needs to be aware of all such reasons and avoid them in future. Go through all those factors below:

Reason 1: Receiving Multiple Copies of Same Email

Another most obvious cause is you are receiving same email again and again. For example, a site sends multiple copies of same message time to time. It is really irritating and increase duplicates also in mailbox. Thus, to overcome this duplicate handling issue, users search for solutions to remove duplicate emails in Outlook.

Reason 2: Synchronization Error in Outlook

In some cases users synchronize their PC with other devices like mobile phones. And, at that point synchronization is not done properly or get interrupted in between. This situation create copies of email messages in Outlook mailbox.

Reason 3: Due to Anti-virus Software

One of the possible causes for duplicate emails emails in Outlook is anti-virus software that you are using. As you click on the “send/receive” button again and again unknowingly, the process of send/receive/store get disturbed.

Reason 4: Inaccurate Account Setup

When you have configured the same account more than one time in Outlook, you definitely going to receive duplicate emails in your Outlook emails account. It is a common mistake done by most of the users suffering from duplicate emails problem. And, make them look for the solutions to remove duplicate emails in Outlook.

Reason 5: Network Related Issue

If your internet connection is slow then, there are high chances that you have duplicates in Outlook mailbox. It is because you have sent the email but do not receive acknowledgment message due to poor internet connection. Outlook gets an impression that email is stuck in between somewhere. This is the reason, Outlook send the same email again, which end up in generating only copies of same email.

Reason 6: Rules are Not Configured Properly

Microsoft Outlook plays really important role when it comes to duplicate emails in Outlook. If there is even a minor problem in the configuration of rules, it results in duplicates only. This is one of that causes for duplicate emails in Outlook that you must avoid.

Consequences of Duplicates in Microsoft Outlook 2019 / 2016 / 2013 / 2010

The large number of duplicates in Outlook can cause severe damage to application. In order to know about all those effects of duplicate emails in Outlook, go through the points below:

  • It occupies big storage space in Outlook PST file, which already has a predefined size limit. Moreover, users not even require these multiple copies of same email in their mailbox.
  • As the amount of copies increases in PST file, Outlook get freeze, hang, or stuck in between. It automatically degrades Outlook performance.
  • Microsoft Outlook takes quite longer time in executing or completing any task. Thus, Outlook becomes slow and its productivity degrades.
  • There are high chances of data loss or corruption in Outlook PST file.

How to Delete Duplicate Emails in Outlook Accurately?

After understanding the all possible causes for duplicate emails in Outlook, its time to get rid of them. There are number of manual solutions available that a user can try to remove duplicate emails from Outlook. But, these free solutions are not a foolproof formula to deal with multiple copies of same email in Outlook. There are several shortcomings that a user might encounter while deleting duplicates from Outlook manually. Thus, it is always recommended to look for some guaranteed solution to remove duplicate emails in Outlook.

  • Outlook Duplicate Items Remover (ODIR)

As there are numerous tools available online to delete duplicate emails in Outlook. But, choosing the right one among all is the hard part. To make this task easy for you, SysTools Outlook Duplicate Remover tool is suggested here. It is one of the secure and reliable application to remove duplicate emails in Outlook.

The software is designed by keeping all basic requirements of users in mind. It offer many advance features also like removing duplicate emails by matching different email attributes. It is one of the best application to overcome all causes for duplicate emails in Outlook. In addition, a user can delete duplicates within and across the folders also of PST file. It is capable to deal with both ANSI and UNICODE type PST file of MS Outlook.

Time to Wrap Up

Whenever a user needs to manage large number of duplicates in mailbox, it becomes an annoying and risk task. Thus, to avoid such kind of situation, it becomes important to know the causes for duplicate emails in Outlook. This blog will let you know about the same and how to remove duplicate emails in Outlook.