Delete duplicate journal entries in Outlook folders
Download the free demo versions of SYSessential PST Duplicate Remover. The demo version is the best way to assess the key ability of the program A simple and interactive application to remove duplicates from PST with high speed and top accuracy. It is a significant or mandatory requirement of the application. Before you install the app on your Windows, make sure it functions properly or has no error. Fix any issue before running the app. It removes duplicates from email properties, tasks, and events. Thus, it helps to reduce the size of PST files by removing unnecessary data.
Follow this link - https://www.sysessential.com/pst-file-duplicate-remover/
Alex Madison commented
Use CubexSoft Outlook Duplicate Remover Tool - a reliable and perfect solution to delete, eliminate, and remove all duplicate items from Outlook PST files without any problem. It has a very simple GUI, both technical and non-technical users can easily handle and manage the software without any help. This software can bulk delete Outlook duplicate mailboxes including all emails, contacts, calendars, and other items without Outlook. It was compatible with MS Outlook and Windows OS including Windows 11.
Read More: https://www.cubexsoft.com/outlook-duplicate-remover/