I'd like to recommend this PST Duplicate Remover Software, which can help you scan and remove all duplicate emails, contacts, notes, tasks, attachments, calendars, and so on that have been saved in your PST file by accident. Users can work without Outlook to erase identical bulk PST files. It can assist you in saving your fitter file in a new folder in the location that you specify. This utility gives a free demo to demonstrate how to use all of the features of the PST identical Removal utility by downloading the free demo version. Users can install this program on any Windows operating system and effortlessly operate with Outlook 2021, 2019, 2016, 2013, 2010, 2007, 2003, etc. Users can free download to remove duplicate items in Microsoft Outlook files. Read more info here: https://www.osttopstapp.com/pst-duplicate-remover.html