Definitely a batch-supported converter is the way to go if you want to convert multiple Excel files to vCard files, as a manual tool will just fail you when you have a large list. In general, uploading thousands of records to online converters results in file size errors or incomplete outputs. Most of the users opt for a desktop Excel to vCard converter so that the data remains confidential. The OSTtoPST App Excel to vCard Converter is the right choice here, as it works a large file smoothly without any disruption. It correctly associates the fields and allows you to batch convert Excel to vCard. The primary component of the tool, which is the Excel to VCF Converter, ensures that there are no duplicate fields. After you have exported Excel contacts to vCard, the file that you have created can be uploaded to smartphones, email clients, or CRM tools without any hassle.