How to Remove Duplicate Contacts from Outlook? Easy Guide

Photo of author
Written By Kiran Sharma

Summary: We often see queries like “How do I delete multiple contacts in Outlook?” If you are an Outlook user who is juggling to remove duplicate contacts from their Outlook accounts, then this blog is for you. Here we will explore the three quick and reliable methods to remove duplicate Contacts from Outlook. 

In this fast-paced world of modern communication, contacts are a very essential part of every individual. If you’re an Outlook user, then you are most likely to face a cluttered and disorganized contact list. To avoid the hassle of dealing with a messy contact list, users search for ways to delete duplicate Outlook contacts. Before we talk about the solutions, let’s look at some common reasons for having duplicate contacts.

Causes of Duplicate Outlook Contacts

Here are some of the common reasons for having duplicate Outlook contacts.

  • When users use different email IDs with the same name.
  • Users often face duplicate contact issues, when users try to sync their Outlook with mobile.
  • Accidental duplication can take place.

Now without any further delay, let’s discuss the various methods through which users can eliminate duplicate contacts in Outlook.

Different Techniques to Remove Duplicate Contacts from Outlook

In the following section, we will discuss the three best methods to delete duplicate contacts in Microsoft Outlook.

  • Manually removing duplicate contacts one at a time.
  • Using the Import/Export option.
  • Using the professional Outlook Duplicate Remover

#Method 1: Removing Duplicate Contacts One at a Time

  • Open the Outlook application on your device.
  • Move to the Contacts section and click on the Phone option.
  • Now, hold the Ctrl key and select the duplicate contacts from the displayed list of Outlook contacts.
  • Lastly, hit the Delete button on the keyword to delete the duplicate contacts.

#Method 2: Eliminate Duplicate contacts in Outlook Using the Import/Export option

  • Open Outlook and go to your Contacts.
  • Create a New folder and name the folder ‘Duplicate Contacts.’
  • Now, go back to your main Contacts folder, select all contacts (you can use CTRL + A), and move them to the new Duplicate Contact folder.
  • Next, go to File> Open & Export> Import/Export.
  • Select Export to a file and click Next.
  • Choose Comma Separated Values and click Next.
  • Pick the Duplicate Contact folder and click Next.
  • Click Browse to choose where you want to save the file, then click Finish to complete the process.

Import the New Contacts in Outlook Created Above

  • Go to the File option and then Open & Export>>Import/Export.
  • Select Import from another program or file as your preference.
  • Choose Comma Separated Values (.csv).
  • Browse to the location where you saved the file in the previous step.
  • Make sure to select the option that says Do not Import Duplicates from the list.
  • Finally, click the Finish button.

Using these methods, users can delete duplicate Outlook contacts manually. However, these are not the recommended solutions by tech experts. This is a tedious method and may not provide accurate results. There are high risk of losing original data. Therefore, we will discuss the alternative solution to make the process easy and reliable for the users.

#Method 3: Automated Solution to Remove Duplicate Contacts from Outlook

The Professional Duplicate Remover for Outlook tool is a quick solution to remove duplicate contacts from Outlook. It helps to eliminate duplicate contacts in Outlook at once in just a few clicks. This tool is developed with advanced features that help to remove Outlook duplicate emails, Contacts, tasks, notes, etc from your Mailbox easily and securely. It prevents any data loss during the removal process. Further, Its user-friendly interface makes it easy to use by both technical and non-technical users.


In this blog, we have provided the best three techniques to remove duplicate contacts from Outlook. The manual methods can be lengthy and may not provide accurate results. Therefore, many tech experts prefer using professional software to deal with duplicate contacts. It also helps to prevent any data loss during the process.

Leave a Comment