Having something twice isn't always better! Duplicate e-mails are annoying. Duplicate contacts are confusing. And you just found the solution. 1-Click Duplicate Delete will get rid of all your duplicate e-mails and merge contacts. And all this with just one mouse click and within seconds.
Deletes duplicates with one single mouse click.
After installing the software you have a new toolbar. One click on the new "1-Click Duplicate Delete for Outlook" button and immediately the duplicates will be gone.
Advanced mode (with lots of options)
For pros there are a lot of options to tweak and configure. You can define where to scan and how to compare.
Microsoft Exchange Server: