The safest way to remove duplicate contacts from a vCard file is by using a tool that preserves original data. With SysInfo vCard Duplicate Remover, you can load your VCF files, select specific fields to identify duplicates, and let the tool handle the cleanup. It ensures that only duplicate entries are removed while the main contact details stay exactly as they are. more: https://www.sysinfotools.com/vcard-duplicate-remover.php