Yes, it is possible to remove only duplicate contacts from an PST file without affecting your emails, calendar, events, or other items. The safest way to do this is by using a TrustVare Outlook Duplicate Removal. This software allows you to specifically choose which PST item (such as contacts, emails, tasks, or calendar entries) you want to scan for duplicates PST and delete them. When you select only the Contacts folder, the tool will remove duplicate Contacts from that folder alone. This tool is ensures your PST file stay organized without any risk of losing important information. This tool is provide a preview feature, so you can review duplicates PST before permanently deleting them. It will support all Windows OS versions like 11, 10, 8.1, 8, and 7.

Visit here: https://www.trustvare.com/duplicate-remover/pst/