Search Our Database

Introduction

Duplicate emails in Microsoft Outlook can cause confusion and clutter in your inbox. These duplicates often result from corrupted messages on the mail server or incorrect account settings. Resolving this issue ensures smoother email management and better performance. This guide outlines steps to remove corrupted emails from the mail server and adjust Outlook settings to prevent duplicates from recurring. By following this guide, you can avoid future duplicates and optimize your Outlook setup for efficient email handling.

Prerequisites

• Access to webmail to delete corrupted emails.
• Microsoft Outlook installed (versions covered: Outlook Express, 2007, and 2010).
• Basic understanding of account settings and server management.

Step-by-Step Guide

Step 1: Remove Corrupted Emails

• Log in to your webmail at http://webmail.yourdomain.com.
• Locate and delete any corrupted emails in your inbox that might be causing duplicate issues.

Step 2: Disable “Leave a Copy of Messages on Server”

• For Microsoft Outlook Express:
  1. Open Outlook Express.
     
  2. Go to Tools > Accounts > Select your account > Properties > Advanced.
     
  3. Untick Leave a copy of messages on server, then click Apply and OK.
     

• For Microsoft Outlook 2007:
  1. Open Outlook 2007.
  2. Navigate to Tools > Account Settings > Select your account > More Settings > Advanced.
     
  3. Untick Leave a copy of messages on the server, then click OK.
     

• For Microsoft Outlook 2010:
  1. Open Outlook 2010.
  2. Go to File > Account Settings > Select your email account > Change > More Settings > Advanced.
     
     
     
  3. Untick Leave a copy of messages on the server, then click OK.
     

Conclusion