The WhatsApp contacts are saved in VCF format the vCard contact file. You can copy all your vcf files into a folder on your system and manually convert them into CSV format using some email client. But that is time-consuming and maybe some data will be lost. I will give a relevant solution for using an automated OSTtoPSTAPP VCF to CSV converter. The application offers amazing features that help you scan all WhatsApp contacts in a few seconds. The conversion technology is powerful enough to convert bulk files at a time. Before conversion, users preview their VCF file. The application offers a mapping function to revise their VCF file and save exported CSV files to their specific location on the desktop. The application never interrupts a running task. The application is easy to use and supports all the latest Windows operating systems.