
We’ve read reports that the settings for an email account in Outlook can become corrupt, and the act of removing and re-adding them can correct the associated issues with an email account’s corruption.

Again, if this is the source of the Outlook email duplication, your Outlook items will no longer get duplicated.

Syncing Outlook with other applications and/or devices (Phones, PDAs, ect.).Outlook’s email account and/or rules settings.There are many things that can cause Outlook items to become duplicated, but two of the most common causes/sources are: Prevent and Remove Outlook Duplicate Itemsĭuplicate items are a common issue that most Outlook users will encounter from time to time.
