A long time ago, I faced the same problem and problem and I used many manual methods but they all were too lengthy and complex. Then I used Download VCF to CSV Converter and got an instant solution to my problem. So, I would suggest you use Download VCF to CSV Converter and testing these methods.
A few months ago, I was also stuck in the same situation as you are now. I used VCF to CSV Converter on the recommendation of my brother. You may also try the tool. Its conversion is very fast and safe this is very useful tool which supports all size file conversion and also supports in window OS including XP , Vista.