When you import items into Microsoft 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 article explains one method to delete duplicate items after you complete the import process.
How to Delete Duplicate Items
Use the following steps to duplicate items:
1. On the View menu, point to Current View, and then click to change the folder view to a table type view. For example, use the following view and field combinations:
2. View Field Calendar Active Appointments Contacts Phone List Inbox Messages Journal Entry List Notes Notes List
3. Right-click a column heading, and then click Field Chooser.
4. From the list at the top of the Field Chooser, click to select the All fields.
5. Drag the Modified field to the table heading.
6. Verify that the duplicate items have a unique date from the original set of items. If it is unique, click the Modified heading so that the items are sorted by this field.
7. Click the first item in the set that you want to delete, scroll to the last item in the set that you want to delete, and then click the last item while you hold down the SHIFT key.
8. Press DELETE to permanently delete all selected items.
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