If you are having trouble combining data from VCF (vCard) files then try the ToolsBaer Address Book Manager tool. It can help you to join as many VCF files as you want with this tool in very little time and without losing any data. It gives you a lot of choices, such as combining all the contact information into one, such as time, name, address, etc. So there won't be any issues when you merge info. You can also use the free version of this program to learn more about it. You can use it with all kinds of vCard files, including 2.0, 3.0, 4.0, and more. You can also install and use it on any version of Windows, including 11, 10, 8, 7, XP, and Vista. The tool also comes with technical help that is available 24 hours a day, seven days a week.