Our product DRS vCard Duplicate Remover  Tool has great efficiency to identify and delete duplicate contacts from the VCF files. You can go with this Tool. This tool allows user to delete VCF duplicate contacts in bulk. This Tool consist with filter process which can identify the contacts with first name, last name, mobile no. and email address. Apart from that It comes with a free demo version and technical support team. It is compatible with all versions of Windows OS. If you have Mac OS you can go with DRS VCF Duplicate Remover For Mac  Tool