“Please help! I am using Outlook 2010 receiving multiple duplicate emails. Now, it is quite annoying as my mailbox is loaded with hundreds of email copies. As a result, I always have to keep an eye on the PST file size on regular basis and have to delete the repeated emails frequently. Also, it is pretty difficult to send emails as it is now confusing me with numerous emails. Is there some possible solutions on how to stop receiving duplicate emails in Outlook 2010? Kindly suggest ASAP, thanks!”

Are you facing the same problem? Unluckily, do not know the accurate procedure to stop receiving duplicate emails in Outlook 2013, 2016, 2019, 2010? Are you immensely looking out for an easy workaround? Then, come let us explore all the possible reasons along with its respective solution in this post.

Most of the Outlook users might have faced receiving redundant emails. This duplicate emails will more or less affect the overall performance of the Outlook application. When the size of the PST file gets exceeded beyond its limit, there could be severe PST corruption that can lead to even drastic situation like loss of crucial data. Whenever the Outlook application is launched, all the emails that are stored on the server is reloaded, which ultimately affects the mailbox productivity. Therefore, it is important to know how to stop duplicate emails in Outlook to prevent Outlook mailbox from getting into major corruptions.

Reasons Behind Receiving Duplicate Emails in Microsoft Outlook

Below are some causes behind getting the duplicate items in Outlook mailbox:

  • Short Intervals on Sending and Receiving Emails: At times, when the Inbox updates with short frequency, the data items are not synchronized properly, which leads to duplication of data.
  • Inaccurate Account Setup: Whenever the same email account is used on different devices, then the receiving data are synchronized repeatedly, thereby causes data redundancy issue.
  • Improper Configuration of Rules: Suppose if the rules are not configured properly, then it will create confusion on receiving the new email message, which can result in data duplication in Outlook application Hence, it is wise to stop receiving emails in Outlook.
  • Incorrect Settings of the Mailbox: Whenever an email account is created in Outlook, if in case the mailbox settings are not done properly. Then, you will encounter to receive same email message multiple times.
  • Mail Server Issue: If “Leave Messages on the Server” is enabled in Outlook Account Settings, then you may find multiple copies of a single email.

Some Manual Tricks to Stop Receiving Duplicate Emails in Outlook 2010

Solution #1: Configure the Inbox Update Timing

In this approach, if a user increases the update frequency of the Outlook Inbox by following the below-listed steps, then one can stop receiving emails in Outlook. For that, it is advised to follow the steps in sequence,

  • To begin with, launch Outlook and select Send/Receive menu to stop getting duplicate emails in Outlook 2010.
  • After that, choose Define Send or Receive Groups options, from where you need to set the value of “Schedule an automatic send/receive query” in between 15-30 minutes.

Solution #2: Run Inbox Clean Up Utility

A user can potentially delete duplicate emails in Outlook using Clean Up, which is an inbuilt utility by Microsoft. This utility needs to be executed manually within Outlook application. In order to run Clean up utility, follow the simple steps described below,

  1. Firstly, you need to open MS Outlook 2010 on your system.
  2. Then, select the Inbox folder, in which the duplicated emails are stored.
  3. Now, click on Home menu>> Clean Up Option and choose any of the listed options from the given drop-down menu with respect to your need.
  • Clean Up Conversation option allows to delete and move duplicate emails, which comes under the conversation to Deleted Items folder to stop receiving duplicate emails in Outlook 2010.
  • In order to delete duplicate emails from a specific folder, then select the Clean Up Folder option.
  • For a user who needs to delete both folders and subfolders, then hit the Clean Up Folder & Subfolders option.

     4. After selecting these options, right-click on the Deleted Items folder       and hit on Empty Folder option to permanently delete the duplicate emails from the Inbox folder

Solution #3: Set the Rules Properly

By configuring the Outlook rules correctly, one can stop getting duplicate emails in Outlook. If the rules are set appropriately, then an Outlook user won’t receive duplicate emails which will ultimately solve the issue.

Solution #4: Modify Anti-Virus Settings

Sometimes, Anti-Virus is one prime factor that will end up receiving duplicate emails. This is because it is responsible to set up and close the server connection. If the connection is not shut down properly, then the email message is not marked as received. Hence, it will send the email where redundant emails are generated.

In order to solve this, open the anti-virus program and disable email protection option. Now, wait for some time till Outlook completes send/receive cycles. Ensure that the duplicate emails are no more received now and also check whether the anti-virus program is running as per the expectation.

Did you find the aforementioned manual solutions tricky and time-consuming? Keep reading as you are almost close to a trustworthy solution!

Any Instant Solution to Stop Receiving Duplicate Emails in Outlook 2010?

The manual method does not guarantee to remove the duplicate emails for sure. Therefore, do not get disappointed and switch to some reliable professional tool like Outlook Duplicate Remover software. It is the prominent way to stop receiving continuous duplicate emails in Outlook 2007, 2010, 2013, 2016, 2019 versions. The tool is efficient enough to remove duplicates from Outlook emails, contacts, calendars, notes, etc. It is designed by the best technocrats with the advanced algorithms that helps to easily stop getting duplicate emails in Outlook mailbox. It can also handle multiple PST files in batch to remove duplicate emails. Furthermore, it generates a report of unique and duplicate emails for the PST file in CSV format that helps to differentiate the data.

Wrapping Up

Data duplication is the worst issue as it can confuse an Outlook user to the core. Overall the performance, productivity, potentiality of the Outlook application is degraded. Therefore, we have discussed both manual and automated workarounds on how to stop receiving duplicate emails in Outlook 2010, we have discussed both manual and automated workarounds. In order to save your valuable time and completely stop receiving duplicate emails, it is wise to opt automated solution rather than the manual solution.