How to remove duplicate imported items in Outlook 2003/2007/2010

When you import items into Microsoft Office Outlook and you add the contact as a duplicate, or if duplicate detection is turned off, there is not an option to remove duplicate items after you import. This could happen if you have moved your Outlook from computer to computer and imported your old PST file into new Outlook. Suddenly you may end up with duplicate emails, contacts  or calendar items. There is existing Microsoft KB article on this issue and has all steps covered how to do it manual way. I have found 2 interesting FREE and PAID tools to fix this problem easy way.

Here is a list of FREE tools with GUI that you can use and carry out the task of removal all duplicate items from your MS Outlook client.

Here is another superior tool – ( free up to 250 contacts ) – has great features and supports not ONLY MS Outlook on Windows computer but also [easyazon-link asin=”0470903716″ locale=”us”]Outlook for Mac[/easyazon-link] computers, Google Apps and Gmail. This tool Scrubly – work only with contacts on all those platforms and get the job done very quickly 🙂 If you do not have more than 250 contacts – it is FREE.


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4 Replies to “How to remove duplicate imported items in Outlook 2003/2007/2010”

  1. Hi,

    If you have confused presence of some duplicate email messages, contacts & tasks in your outlook, you should try to remove these duplicate email items through Outlook Duplicate Recover provided by Stellar Phoenix Software. It helps to remove all duplicate from your PST file by selecting option mail id, sender name etc.

  2. Duplicate emails creates a lot of issues in Outlook both in terms of performance and for the smooth working of Outlook. As duplicates also cause increase in the size of PST file so Outlook user has the fear of PST file corruption. So it is always recommended to get rid of unnecessary and redundant emails. Earlier I was not aware of the real cause of duplicate emails but through this useful post I got the information – . Also from your post now I am got awareness about more tools.


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