
If you have other Outlook items such as Contacts, Appointments, and/or Tasks that are continuously duplicating it is highly likely to be due to a PDA device synchronizing with Microsoft Outlook. 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.

Temporarily disable or remove your rules.Here are a couple of things you may want to try in order to prevent this from happening over and over: If you’re Outlook emails are continuously duplicating then it is highly likely that you have a rule or setting within Outlook that is causing emails to become 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.
