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Written By Amit Chandel
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Updated on November 12th, 2025
Summary: Millions of users use Microsoft Outlook to manage their email, contacts, or other email-related folders like calendars, tasks, etc. That is a witness to its usefulness but the truth is that it always needs some care for its better performance. After prolonged use of Outlook, you realize that your Outlook has a lot of multiple Outlook contacts that are scattered with similar names or email IDs. Moreover, you are unable to search for a particular contact and you found to delete the useful one. This brings a solution to merge multiple Outlook contacts to make it manageable and avoid accidents to happen. Unfortunately merging contacts manually is a long and complex process that is not easy to perform by many users. So It is recommended to use the MailConverterTools Outlook PST Merger Tool.
In this article, you will learn how to merge contacts in Outlook 365, 2016, 2013 with the manual or a professional tool, and how to keep your contact list clean in the future.
Although Microsoft Outlook provides many handy tools that we might use regrettably, an option to merge the address book and combine multiple contacts of Outlook 365, 2016, 2013, 2010, and other older versions into one is not available.
Start the import wizard again
Now you need to merge the current contacts that are in your main Contacts folder with the original one(newly created contact in CSV) so that no contact details will get lost.
Open that folder and select all the contacts, then paste it into your main Contacts folder.
Whenever multiple contacts are detected, Outlook will give you a pop-up message suggesting that you update the information of the existing contact. (Select Update all Recommended)
As you can see the above-explained steps kind of confused us somewhere in the steps and it is a time-consuming process to combine Outlook contacts folders. So to avoid any mistakes or accidents while doing the manual process get help with the professional tool Outlook PST Merger Software to merge multiple Outlook contacts.
Outlook PST Merger software merge Outlook PST files items such as emails, contacts, calendars, etc., into a single PST file format. It also allows passwords to the new resultant PST file to keep it safe and secure. You can use this tool on any version of MS Outlook and Windows-based operating system. The free PST merge tool merges 50 items of each PST file. This utility provides various options to merge your Outlook PST files like join PST files, merge PST files, merge contacts, remove duplicates, etc.
This article provides the manual method’s steps in detail to Merge Multiple Outlook Contacts. However, you can also use a professional solution if the manual tricks do not provide a satisfactory result.
About The Author:
Meet Amit, an experienced SEO expert and content planner. He uses his creativity and strategy to create content that grabs attention and helps brands reach their goals. With solid skills in digital marketing and content planning, Amit helps businesses succeed online.
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