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How to Delete Duplicate Contacts in Microsoft Outlook? – Combine Multiple Contacts

Microsoft Outlook is one of the superior email client application. It is used by both large or small organizations for communication. The outlook is the first choice of users because of there various features like emailing, calendaring, contact management, and so on. Most of the users upgraded from an older version to newer to get more features and accessibility. At times, users face the problem of duplicate contacts in Outlook while merging. Therefore, in this blog, we will explain some simple methods to combine or delete duplicate contacts in Microsoft Outlook. Continue reading for the appropriate solution to merge outlook contacts folders without duplicates.

Instant Solution– In order to merge and remove duplicate Outlook contacts, try PST Merge software. It will allow combining Outlook contacts and remove duplicate without damaging any data.

Reasons Why Duplicate Contacts are Created in Outlook?

User Query- How to Delete Duplicate Contacts in Microsoft Outlook

I have over 3000 contacts in my Outlook and would like to remove duplicate Outlook contacts. Basically, I want to merge multiple contact folders in Outlook without duplicates. I have tried a manual solution to do so but fails. My Outlook is hanged while performing this task. So I don’t try it again. Now I need an easy and quick way to merge and remove duplicate contacts in Outlook 2016.

Manual Way to Delete Duplicate Contacts in Microsoft Outlook

Here we are going to describe step by step process to remove duplicate contacts in Outlook 2016, 2013, 2010 one by one.

Method 1. Delete Duplicate Contacts One at a Time

    • Open Outlook and click People

    • In the Current View group, click the right corner of the views box and then click on Phone

Note: You can easily use this method to scan contacts to find the duplicates.

Method 2. Delete Multiple Duplicate Contacts Using Export & Import

To remove duplicate Outlook contacts one by one is lengthy and time-consuming. Therefore, the fastest and easiest way is to export them to a file, then import them into a new folder.

    • Launch Outlook and click People

    • Right-click Contacts under My Contacts and select New Folder

    • Give the name of your new folder like “Remove Duplicates

    • Click back to the main Contact folder
    • Press Ctrl+A to select all contacts
    • Drag and drop the contacts into the Remove Duplicates folder. When you drag and drop contacts to a new folder, the main Contacts folder becomes empty

    • Now, click File >> Open & Export >> Import/Export

    • Choose the option of Export to a file and hit the Next button

    • Choose Comma Separated Values and again click Next

    • Select the Remove Duplicates folder and press Next

    • Click browse and select the desired location to save CSV file and hit the Finish button.

Import Contacts Back Into Microsoft Outlook

Get Back Contacts From The New Folder Created to Main Contacts Folder

If you ever get a duplicate again, you will see a pop-up with two options:

  1. Select “Add new contact” if the contact is not a duplicate
  2. Select “Update information of selected contact” if the contact is a duplicate
  3. After selecting the required option, click on Update. And click on Update All option if you want to repeat the same selection for all duplicate contacts.

When the procedure is finished, you can delete the Remove Duplicates folder.

This is the complete process to delete duplicate contacts in Microsoft Outlook by manually. This method is very lengthy, confusing and time-consuming. If you are not satisfied with the manual approach you easily choose the expert solution to simplify the task.

Instant Solution to Merge and Remove Duplicate Outlook Contacts

In order to simply and quickly combine or remove duplicate contacts in Outlook, you can use the Outlook PST Merge tool. This software is capable to remove duplicate Outlook contacts while combining. It helps to merge multiple contact folders in Outlook without data loss issue. With the help of this application, you can combine unlimited contacts from Outlook without duplicates. It is compatible with all Outlook Versions such as Outlook 2019, 2016, 2013, 2010, etc. and also compatible with Windows 10, 8.1, 8, 7, etc.


In the above blog, we explained step by step how to delete duplicate contacts in Microsoft Outlook and how to combine multiple contacts. Here, we discussed the manual and the expert solution to merge and delete duplicate contacts from Microsoft Outlook. You can choose any method according to your needs.