The problem occurs because when Outlook is processing the request to send/receive first email uploaded in the mail server, the next send/receive process gets started before finishing the previous one. When the frequency between sending and receiving of data is set for a short time, suppose less than 5 minutes, you may face email duplication problem. Some common reasons that can lead to duplicate emails in Outlook are as follows: 1. Incorrectly Configured RulesĬreating incorrect rules in Outlook is the most common reason that can result in data duplication in the Outlook mailbox.

Possible Reasons that Result in Duplicate Emails in Outlook 2016/2013/2010/2007 Once you have detected the cause, you can apply an appropriate workaround to delete multiple emails. Meaning, business users may end up replying and responding to the same message repeatedly.īefore proceeding with ‘ How to remove duplicate emails in Outlook?’, it is crucial to understand the actual cause of the problem.

Since business users have to deal with numerous email messages and reply to each message, having the same copy of emails may result in the duplicate effort.Increase mailbox size, which may lead to data file corruption and Outlook hanging issue.Affect the overall performance and productivity of the Outlook application hence it becomes necessary to delete multiple emails in Outlook.What Happens when Duplicate Emails Occur in Outlook 2016/2013/2010?įollowing are some challenges you may face due to redundant or multiple emails in Outlook: Easy Solution: Try Stellar Toolkit for Outlook to fix all Outlook issues like Duplicate emails, missing emails, conversion of OST file, corrupt PST, lost Outlook password & many more.

While this may not seem a serious problem in the beginning, accumulation of duplicate email messages can pose challenges. It also mentions some easy steps to remove duplicate email messages from Outlook.Īre you experiencing email duplication issue in your Outlook 2016 mailbox?

Summary: The guide highlights some common reasons resulting in identical, duplicate email messages in Outlook 2016 and the challenges you may face due to such messages.

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