Remove Duplicate Messages Outlook: Email Cleanup Tool

Key Features

• Remove Duplicate Messages Outlook is an email cleanup tool for Microsoft Outlook.
• It scans selected mail folders to find and remove duplicate email messages.
• Duplicates can occur due to server sync errors, importing backups, or accidental copying.
• The software compares message properties such as subject, sender, date, and body content to ensure that only true duplicates are identified.
• Users can choose to move duplicates to a specific folder (like Deleted Items) or delete them permanently.
• This tool helps reclaim storage space in Outlook data files (PST/OST) and keeps the inbox organized by eliminating redundant copies of the same message.

Technical Specifications

• **Publisher:** Outlookfreeware.com
• **License:** Freeware
• **Operating System:** Windows 7, Windows 8, Windows 10, Windows 11
• **Last Updated:** October 15, 2025
• **Category:** Email / Misc Email Tools