This software offers a simple and free solution for detecting and organizing duplicate messages in Outlook, with options to flag or categorize them. It can also locate duplicates across multiple folders and structures. Users can choose between an Outlook add-in or a standalone Windows application for easy access.

What's more, the advanced version of the software offers even more powerful features. For instance, you can select specific fields to compare, search for duplicates across multiple folders and storages, and even prioritize your Outlook folders.
To make things even more convenient, the software comes with both an Outlook add-in and standalone launcher application. This means you can access the tool right from Outlook or run it independently without having to open Outlook at all.
Overall, if you're looking for a simple, yet effective way of cleaning up your Outlook folders and reducing clutter, this software is definitely worth considering. It's safe, easy to use, and offers the flexibility and customization that most users need.
Version 4.20: New features and enhancements.