Duplicate Outlook Items Report: Mailbox Cleanup Tool

Key Features

• Free report on duplicate Outlook items shows how many duplicates contained in the selected Microsoft Outlook folders.
• The report shows the presence of duplicates in each of the selected folders or across all selected MS Outlook folders.
• The priority of Outlook folders can be specified.
• The report is created for all duplicated items of MS Outlook, such as contacts, messages, tasks, notes, calendar items and journal entries.

Technical Specifications

• **Publisher:** https://www.outlookfreeware.com/en/products/all/outlookreportduplicates
• **License:** Freeware
• **Operating System:** Windows 7, Windows 8, Windows 10, Windows 11
• **Last Updated:** October 15, 2025
• **Category:** Email / Misc Email Tools