you can go to SysTools VCF Converter which can help a user who is unable to open a VCF / vCard file. It allows to add single or multiple vCard files together in the program. After adding vCard files, any of the export file types can be selected and the tool will convert and export all added vCard files to the specified file format. The program directly converts all vCard files to PDF, PST, CSV or other formats. The user interface of the program is very easy to use even for non-technical users. It allows vCard to be converted to vCard v2.1, vCard 3.0 and vCard v4.0 and allows the VCF vCard file to be imported on Android and many other platforms.