Download & Install the software in any Windows OS platform. Then you can Launch it from Start » Programs » vCard Converter » vCard Converter
Click on Browse vCard File… to choose contacts 1 by 1 or Click on Browse Folder… to select entire folder containing the vCard files at once.
If you see that the normal mode is not importing contacts properly, then use its Advance Mode option, it will definitely work.
Choose Outlook (.pst) as Saving option
Click on "Convert vCards" & then choose a location to save the converted files
It takes few seconds to complete process, when it’s done you get this Alert Message
Now Open MS Outlook go to File » Open » Open Date File, browse for the converted contacts PST file, select & open it. Now you can view the vCard contacts in Outlook.