How to Combine and Delete Duplicate Entries in Outlook Contacts

Are you tired of several duplicate contacts in Outlook? Do you want to merge multiple Outlook contacts folders and delete duplicates? Do not panic, here is the solution. In this blog, you will learn about several ways to combine and delete duplicate entries in Outlook contacts.

As we all know that Outlook allows users to create multiple accounts for sending/receiving email messages and manage contacts & calendars data. Users are now frustrated with their multiple data and want to combine PST files from multiple accounts into a single one. The same as duplicate contacts in Outlook is the most crucial situation for users. Here are the best techniques that are useful for the users to delete and merge duplicate Outlook contacts.

Manual Ways to Combine and Delete Duplicate Entries in Outlook Contacts

Most users are always looking for manual solutions to perform this task. There are several steps to manually remove duplicates in Outlook contacts, including:

1. Eliminate duplicate contacts in Outlook one by one

2. Delete duplicate Outlook contacts in bulk

3. Import Contact back into Outlook

4. Get back Contacts from New Folder to Main Contacts Folder

Step 1: Eliminate Duplicate Contacts in Outlook One by One

  • Run Outlook application and go to People
  • In the Current View option, click Views and then click on Phone. Now you can find all the duplicates here.
  • In the contact list, hold down the Ctrl key and select the duplicates one at a time as per the need.
  • After selecting the duplicates, click the Delete button.

Next, we’ll explain how to remove duplicates in Outlook contacts in bulk. Then know the steps to combine and delete duplicate entries in Outlook contacts.

Step 2. Delete Duplicate Outlook Contacts in Bulk

  • In Outlook, select the “People” option
  • In your current Contacts folder, right-click and choose New Folder and Rename it.
  • Go back to the Contacts folder and select all contacts to press (Ctrl + A)
  • Now, you need to move all the contacts to the New Folder. You can simply Drag all and drop them to the new folder. Or, press Ctrl+Shift+V and go to the Move to Folder then choose your new folder.
  • Go to File >> Open & Export >> and select Import/Export
  • Select the option “Export to a file” after that choose Comma Separated Values (CSV)
  • Select the same new folder that was previously created.
  • Save the file to your desired location, and then click Finish.

Step 3. Import Contacts Back into Outlook

  • Click File >> Open >> Import
  • Select “Import from another program or file” option and choose CSV file
  • Browse to select the New Folder created earlier and check the “Do not import duplicate items
  • Select the primary Contact folder for the target that is empty and click the Finish button.

After completing this step, simply move all the contacts from the new folder to the main contacts folder to merge duplicate Outlook contacts. This is the last step to combine and delete duplicate entries in Outlook contacts.

Step 4. Get Back Contacts From New Folder to Main Contacts Folder

  • Go to the New Contact Folder
  • Now just click on one of the contacts in the New folder and press “Ctrl + A” to select all contacts.
  • Here you must move the selected contacts to your Primary Contacts folder. Or drag and drop them or click Ctrl + Shift + V to use the Move to Folder dialog box.

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 the selected contact” if the contact is a duplicate.

  • Select the required option as per your need.
  • Click “Update” and if you want to repeat the exact choice for all the duplicate contacts, choose the “Update All” option.
  • If you copy back all contacts, delete the new folder that you created to store duplicates.

Advisable Solution to Merge and Remove Duplicates in Outlook Contacts

If the above manual steps do not work properly to delete duplicate Outlook contacts, you must use PST Merge Tool. This software is specially designed to merge and eliminate duplicate contacts in Outlook 2019, 2016, 2013, 2010, 2007 and other versions. You can also use this application to merge duplicate Outlook contacts without losing a single piece of information. The original formatting and structure of the contacts is retained when combining and removing duplicate contacts.

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Steps to Combine and Delete Duplicate Entries in Outlook Contacts are as follows;

Follow the below-described steps to combine or eliminate duplicate contacts in Outlook 2019, 2016, 2013, 2010, 2007.

Step 1. Start the software and select PST contacts file.

Step 2. Select the option “Merge”.

Step 3. Select “Skip Duplicates Items” box.

Step 4. Select Contacts Fields to remove duplicates like Full Name, Email Address, Mobile Number, Job Title, etc.

Step 5. Click the “Next” button.


Here are the steps discussed how to combine and delete duplicate entries in Outlook contacts using a manual and automated solution. The manual process is very tedious and complex. You need to follow multiple steps to eliminate duplicate contacts in Outlook via manually and you must have technical knowledge for this. For a quick and secure solution, it is advisable to use the professional software. This will help you to merge and delete duplicate contacts.

Can I merge duplicate contacts in Outlook 2016?

Yes, using the Outlook PST Merge tool, you can easily merge duplicate Outlook contacts in 2016 and other versions.

Does this software allow us to combine PST files together into one?

Yes, the user can combine multiple PST files into a single file using this application.

Can I remove duplicate Outlook contacts without losing information?

Yes, this software is 100% secure and helps the user to delete duplicate contacts in Outlook without data loss.