Once done, choose the option named “Update New Information from a Duplicate Contact to an Existing One” once outlook shows the dialog box for copy contact detector.Every time that you will add the duplicate contact, it will now let Outlook prompt you to provide the choice of combining the information coming from the two entries below a single contact. Click on the check-box in order to choose the option “Check for Duplicate Contacts When Saving New Contacts”. Once you are already in the “Contacts” section, you will find the heading named as “Names & Filing”.Click on “File” that should be followed by clicking on “Options” then hit on “Contacts”.

Open Microsoft Outlook on your computer.However, it is possible to merge duplicates with built-in automatic duplicate contacts manager within Outlook itself. There are also times when having Microsoft Outlook synchronized with a contact address both on a mobile device or Smartphone may add some duplicates. It is easy to accidentally add duplicates, especially when you create different entries mistakenly with the email address of a contact in one, while his telephone number in another. Microsoft Outlook contacts might turn messy and eventually even become confusing when you have duplicate contacts added.

TIP: Latest version of Deduper for Outlook allows to merge duplicate contacts automatically with a single click.

Merge or delete duplicates in outlook