

Sometimes duplicate e-mails are produced by a hiccup of the mail server, especially if you activated the " Leave Messages on the Server" settings option.

if you read some messages on the phone and others on your PC, and then place the read messages to a different folder on each device. An interrupted or incorrect synchronization with a laptop or mobile device is one of the most frequent causes, e.g. Other reasons are more technical and not so obvious. For example, you can receive multiples copies of the same email from your friends or teammates who forward to your attention the same newsletter, press release or an exciting news item, which is often the case in our company. There are plenty of causes why duplicate email messages may occur in Outlook. The reasons why duplicate emails appear in Outlook

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From this article you will learn why multiple copies of the same message may appear, and how to find & remove duplicate emails in Outlook quickly and safely, ensuring that all of your important messages remain intact.
