If you want keep contact details safe while converting VCF to CSV then you must go with most trusted solution that is CubexSoft vCard to CSV Converter Tool. It is a direct way of importing unlimited VCF files to CSV files in one go. And also it is easy to use. Take a trial of the app on Windows Operating Systems, and 5 .vcf files are permitted for free conversion. 

Read more: VCF Converter