Find Duplicate Emails in Outlook Manually

If you’re a dedicated Outlook Express user, chances are you have experienced duplicate emails. A single email message likely won’t be a terrible hindrance, but many of the issues that cause duplicate messages may cause all messages to be duplicated. When the average email user receives 121 messages per day, according to the Radicati Group, this can quickly add up to take over your inbox, however. Besides the space consumption, duplicate messages make it harder to find the emails you need and to keep track of which ones you have responded to. Here we will show you how to find duplicate emails in Outlook manually so you can trim down on unnecessary messages.

Finding the Duplicate Emails

Many software programs exist that will automatically find duplicate emails, but these typically charge a fee after an initial trial period. Why spend that money when doing it yourself is a relatively simple process? All you have to do is follow these steps to find any duplicate emails which may exist in your current PST file:

  1. First you will need to change to a table type view. In all versions of Outlook this will be accomplished by pointing to the View tab on the toolbar (or Ribbon for versions 2007 and newer, which use the Microsoft Office Fluent user interface). For Outlook 2002, 2003 and 2007 you will need to point and click on Current View, which will change the arrangement of your messages from the standard folder view to a table type view. In 2003 you will need to go to the Arrange By option first, while in 2010 you will go to Change View in the Ribbon, and click the List icon to change to a table type view.
  2. In pre-2010 Outlook versions you will now find the Field Chooser option and select the All <item name> fields. For Office 2010 you will right-click a column heading and choose the All<item name> fields.
  3. For all versions drag the Modified field to the table heading in order to sort messages by date.
  4. You should now be able to scroll through your messages and find duplicates adjacent to the original message, since both will have been received at virtually the same time- although they will have a slightly different time stamp. Confirm that the original and the duplicate have unique dates.
  5. Now you can select any duplicate messages to remove or sort them. To select multiple messages press and hold the shift key as you select additional messages.
  6. Once you have found and highlighted all the duplicate messages you may now press Delete to remove them from Outlook.

You can try Clone Files Checker (CFC) to remove immense duplicate files from your Windows PC/laptop. CFC is  a duplicate file finder software for Microsoft Windows which helps you avoid disorganization due to excessive duplicate files in your system.


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I am director and business manager at Sorcim Technologies. The product Clone Files Checker, this blog, and the content written for the blog are the properties of Sorcim. We are responsible for the content and we are always willing to answer your queries about our solutions. We encourage you to contact us should you have any questions!

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