Why Microsoft Outlook Keeps Receiving Duplicate Emails – Resolved!

"It's been a while that my Outlook mailbox has been flooded with the same email messages. I'm freaking out! Tried to delete these one by one, but all in vain. Can't understand why am I getting duplicate emails in Outlook 2016 mailbox. Please suggest some instant solution to get rid of all these annoying emails!"

The problem of getting duplicates in MS Outlook can be frustrating sometimes, but ever wondered there can be a simple solution available on your fingertips? If no, then we are providing the best way to resolve the issue of MS Outlook keeps receiving duplicate emails repeatedly. Now the problem is that, first we need to know what are the reasons for the occurrence of these duplicates in Outlook and secondly, what can be a genuine solution to remove duplicate emails from Outlook completely. Let’s move to the further information in the article below.

Tips- If you want to remove or merge duplicate emails in Outlook 2016, 2013, 2010, 2007 and all below editions, must download merge PST files software. This will help you to merge multiple PST files into one and remove duplicates without losing any data.

What Causes Duplicate Emails in Outlook PST File?

There are multiple factors that originate the issue of MS Outlook keeps receiving same emails repeatedly and creating duplicates in Outlook. Let's go through all the factors:

• There can be a big number of reasons that can cause duplicates to take place in Outlook PST file. We can take an example of any company or site which sends loads of copies of the same email to customers time to time. This is not only annoying, but also increases duplicates in Outlook Mailbox.

• When you synchronize your personal computer with mobile device, and the synchronization is improper or interrupted, this phenomena creates most of the copies of your messages and increases the chances of Outlook emails duplicates.

• Surprisingly, your anti-virus software is also responsible for Outlook getting duplicate emails. Although, this happens unknowingly, as you click the “send/receive” button on a frequent basis, which disturbs the process of the send/receive/store.

• If you have more than one designation configured for the same email account, than you are definitely going to acquire duplicates in your Outlook emails account.

• Slow internet connectivity is also responsible to cause duplicates in Outlook PST file. As, every time an emails is sent, its acknowledgment is delivered & due to the poor connection the message does not get received. Now, Outlook thinks that the mail is stuck somewhere in the transaction and therefore it send the same email over and over again ending up generating multiple copies of the same email.

• Outlook rules play a big role in generating the duplicate emails in Outlook PST file. If there is any kind of conflict present in the rules then it can cause duplicates.

The Harms Caused When Outlook Keeps Receiving Duplicate Emails

When Outlook keeps receiving same emails repeatedly, there can be severe damage caused by this phenomena. Let’s have a look at all the effects of duplicate Outlook emails:

• First of all, no user wants to have an unnecessary copy of some email messages in their Outlook mailbox, which is also taking up space.

• The huge amount of copies present in Outlook PST file can cause Outlook to freeze, hang or stuck, resulting the degraded performance of Outlook.

• A task that can be executed in a small time can take a quite longer time to be finished due to the slower Outlook.

• We might face the issue of data loss or data corruption.

What to do to Eliminate Duplicate Emails in Outlook PST File?

We can eradicate these duplicates from Outlook PST file with very simple and powerful in built methods. Outlook must be kept intact for better performance and that needs to be done by removing the unnecessary duplicates from Outlook mailbox.

1. Inbox Clean Up

Outlook provides an inbuilt solution to remove duplicate emails in Outlook PST file via Clean Up utility. This is an inbuilt solution that can be easily implemented in order to eliminate duplicates from Outlook. User need to go through the following steps to implement the Clean Up utility-

Step 1. Open MS Outlook
Step 2. Choose the Inbox Folder in which duplicate items reside.
Step 3. Navigate to Home tab >> Clean Up option.
Step 4. You will get multiple options inside Clean Up.
Clean Up Conversation option to delete & move duplicate emails inside in the conversation to Deleted Items folder.
Clean Up Folder option to delete duplicates from specific folder.
Clean Up Folder and Subfolders option to clean both the folder and subfolders.
Step 5. Now, right click on Deleted Items and choose Empty folder option.
Step 6. Your duplicate emails in Outlook PST file are permanently deleted.

2. Anti Virus Settings

As we know that anti virus applications are also responsible for Outlook receiving duplicate emails, we would want to resolve this factor as well. Go through the settings of the anti virus application and make sure to disable the email protection. This will prevent to generate the duplicate emails.

3. Proper Configuration of Outlook Rules

In order to avoid any sort of confusion on different email folders, check on the Outlook rules if they are configured properly.

What if Microsoft Outlook Keeps receiving duplicate emails even after using Manual Methods?

In such cases when user’s MS Outlook keeps receiving same emails repeatedly even after using the manual solutions, user needs to go for Outlook Duplicates Remover tool to permanently eliminate duplicate emails in Outlook.

The software is an expert solution to get rid of the duplicate items including emails, contacts, notes, tasks, calendars etc. effectively in Outlook. It is safe and secure way to remove duplicate emails from Outlook PST file automatically without any data loss.

Bottom Line

Getting duplicates in Outlook is very familiar issue as we frequently use Outlook to manage our emails and other data. However, there are preventions and cures available to deal with these duplicates in Outlook. In the above writeup, we have discussed what happens when Microsoft Outlook keeps receiving duplicate emails over and over again, what are their causes, the impact of these duplicates in our Outlook database and the best solutions to resolve the Outlook duplicates. One should use all the manual methods in the first place to get rid from Outlook duplicates and only when duplicates are present in a huge amount, the expert solution must be adopted to eliminate these duplicate emails in Outlook PST file.

Why Microsoft Outlook Keeps Receiving Duplicate Emails – Resolved! Harshita Joshi 4.5 of 5

" It's been a while that my Outlook mailbox has been flooded with the same email messages. I'm freaking out! Tried to del...