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How to Merge Multiple Outlook Contacts Folders without Duplicates?

Ugra Narayan Pandey | Modified: July 19th, 2022 | 5 Minutes Reading

Microsoft Outlook is one of the best and trusted application for email communication. Advance features and better security makes it more favorite application world widely. Outlook launched new versions with better features & services. Therefore, when the users upgrading from the latest to the new Outlook version, they created a backup of Outlook data in PST file format. While upgradation, users stuck with bulk PST files which includes emails, contacts, calendars and other data. In such a scenario, many users want to merge multiple outlook contacts folders without duplicates to manage data professionally.

To overcome the merging problem, here we will discuss the complete solution step by step. This blog explains the reliable solution of how to merge contacts in Outlook 2016, 2013, 2010, 2007 with no duplicates.

Users Queries – How Can I Merge Outlook Contacts

Hello, I am trying to merge multiple contacts folder in MS Outlook 2016 into one without duplicates. I have a hundred contacts in each folder because I use my contacts folder for professional and personal use. Does anyone know how to consolidate Outlook contacts folders into one? Any help is appreciated. Thanks.
Madeleine, Australia

I upgraded from Outlook 2013 to Outlook 2016 and have multiple contacts folders. To manage all the contacts in Outlook, I am looking for a solution to merge multiple contacts folders in Outlook. I don’t have enough time to manually merge my thousands of contacts. So, please suggest me a tool that will merge Outlook contacts and remove duplicates.
Jack Thompson, UK

Quick Answer: Take the help of PST Merge tool that will help you to merge contacts in Outlook in a hassle free way. This way, you can also remove the duplicate items like full name, email address, mobile number, etc.

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Manual Solution to Merge Multiple Outlook Contacts Folders

Step 1. Export Outlook Contacts to CSV File Format

  • Open Outlook application and click on the File tab
  • Click Open & Export >> Import/Export
  • Select Export to a file and click Next
  • Choose Comma Separated Values and then click Next
  • Select Contacts Folders to export from and Hit the Next button
  • Click Browse button and select name and location for the exported file and press Next
  • Click the Finish button.

Note: You need to save all contacts from exported CSV files into one CSV file format to import into Outlook.

Step 2. Import CSV File into Outlook

  • Click File tab >> Open & Export >> Import/Export
  • Choose Import from another program or file and click Next
  • Select Comma Separated Values and then click Next
  • Click Browse and select the CSV that contains contacts you exported
  • Select the option Do not import duplicates items or Replace duplicates with items imported. Both options allow you to merge multiple Outlook contacts folders without duplicates
  • Now select the Outlook folder in which you want to import the contacts or you can also create a new folder for imported items
  • Select Map Custom Fields
  • Drag the values from the CSV file and drop them on the destination field on the right. After Mapping all columns from the CSV file to the desired Outlook address book field, click OK.
  • In the end, click the Finish button.

Points to Remember

In the above section, we described the manual solution to merge Outlook contacts folders into one. This process is fine if you have some Outlook contacts. But if you have a bulk of contacts into your Outlook contacts folders, then it becomes difficult. Because after exporting Outlook folders to the .csv file format, you must copy and paste all contact information into one CSV file to import into Outlook. To make this task simple and quick, we will discuss the automated solution in the next section.

Instant Solution to Combine Outlook Contacts

Outlook PST Merge Tool is the most reliable solution to merge multiple Outlook contacts folders without duplicates. The application offers a simple and user-friendly interface that every newbie can easily access. It supports all Microsoft Outlook versions like Outlook 2019, 2016, 2013, 2010, 2007 and others to combine multiple PST files into one. This software allows you to merge password protected Outlook data files. It maintains data integrity during merge contacts in Outlook procedure.

First, Download and install the software

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Steps to Merge Multiple Outlook Contacts Folders without Duplicates are as Follows:

Step 1. Click Add Folder to load PST contacts files.

PST Merge

Step 2. Choose the option Merge and then click Next.

Merge Outlook Contacts

Step 3. Select options, Merge in New PST, Existing PST or Outlook Profile and click Next. 

Merge Multiple Outlook Contacts Folders

Step 4. Click Skip Duplicates Items to remove duplicate contacts.

Merge Outlook Contacts Folders

Step 5. Hit the Next button.

Merge Multiple Outlook Contacts Folders

Done! that’s how you can combine Outlook contacts without duplicates in just a few moments.

Final Words

Many users want to merge contacts in Outlook 2019, 2016, 2013, 2010, 2007, and so on. In this blog, we discussed two methods to merge multiple Outlook contacts folders without duplicates. It is better to go with the PST File Merge software instead of the manual method because the manual process does not provides guaranteed and accurate result. So, choose the method according to your choice and merge Outlook folder with no duplicates.

How can I merge contacts in Outlook 2016?

You can merge Outlook contacts using the Outlook PST Merge tool. It offers the facility to combine PST contacts folders into one.

Does this application delete duplicate Outlook contacts?

Yes, the user can delete duplicate contacts in Outlook using this utility without loss of data.

Can I merge multiple PST files into one using this tool?

Yes, this software allows the user to merge two or multiple PST files into a single one.