vcardmergertool

TrustVare Merge vCard Software is an advanced vCard merging utility to combine more than one VCF file into a single vCard file without changes in the original contact details. It ensures all contact details, such as telephone numbers, email addresses, names, and photos etc, are preserved. This tool has a preview feature, which helps to recheck the contact information before final merging. There is also a free demo edition for all.
Visit here: https://www.trustvare.com/contacts-manager/