Find Duplicate Contacts Outlook: Cleanup Tool

Key Features

• This free tool finds duplicate Outlook contacts and mark them with a flag or categories.
• Instead of manually comparing similar contacts, do this job quickly and automatically.
• Automatically searching for duplicate contacts using our program will save you time and eliminate unnecessary errors.
• When synchronizing with mobile devices or importing contacts from other applications or web services, you might see duplicate contacts appeared.

Technical Specifications

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