

Duplicate emails in the receiver's Inbox and multiple copies of email in either the Sent Items folder and/or Outbox of Outlook is really an annoying situation.

This is because multiple copies of email get received in the Inbox of the recipients account(s) whereas several email copies get stored in Sent Items folder or sometimes in Outbox folder as well, though they are sent only once, causing huge problems.

Outlook Is Sending Multiple Copies of an Email – Cause & Solutionĭuplicity of email is one of the most irritating problems, both for the senders who send email through Outlook as well as recipients holding different web based or desktop based accounts.
