With the help of vCard Merger Tool, one can merge multiple VCF files into one online and offline very easily. It takes VCF files for merging from all the sources that support .vcf files like Smartphones, email client, cloud based email client, mail server, computer etc. And also support VCF versions all VCF versions (2.1, and 3.0) to merge multiple VCF files into one online. And it completely denies restriction on size of VCF file. All editions of Windows OS are compatible like Windows 10, 11, 8, 8.1, etc. It is allowable to take a trial to know how to merge multiple VCF files into one online, 5 files may use for free trial.