How to Prevent and Remove Outlook Duplicate Emails?

If you don't want duplicate emails in Outlook, you may want to manually delete them - To do this, you can view your items in table view and select them one by one. Next, you can also sort them by category or by any field. Click on the header of a column to gather similar items. You can also choose whether to send the duplicate emails to different addresses or forward them to another address.

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