Aryson Duplicate Killer for Outlook helps to find duplicate email items from the Outlook PST file and delete them successfully. It helps to reduce the size of PST files by removing multiple duplicate items in a single batch. It supports all email items, including email messages, contacts, notes, tasks, journals, etc. It is embedded with advanced features that make it easy and quick to use. Before starting the removing process it allows you to preview the emails with attachments. The date Range option helps users to select the emails from a specific timespan. Emails can be selected with or without attachments through the option Save attachments and Remove attachments. It is safe and secure software to kill multiple duplicate items in bulk. You can choose the desired location to save the file so that you do not need to search for the resultant file in your system. Duplicate items can be searched in two ways: search items within the folder or search across the folder. It gives multiple actions for duplicate emails like Move to deleted folder, Delete permanently, Mark as expire, Make a new folder, and Put flag. Users can fully customize the duplicate criteria to select specific email items. The GUI is so simple and easy that non-technical users can easily understand it. The software supports various versions of Microsoft Outlook PST files, including 2019, 2016, 2013, 2010, 2007, and 2003. It is compatible with the Mac OS version 10.8 (Mountain Lion), 10.9 (Mavericks), 10.10 (Yosemite), 10.11 (El Capitan), 10.12(Sierra), and the latest versions. The software is available in both demo and paid versions.