If you want to move a large number of CSV contacts to your Android phone, use Softaken CSV to VCF Converter. It allows you to batch convert the entire CSV file into VCF format. You can create either one combined VCF file or individual files for each contact. The file you convert is then imported right into your phone's Contacts app. I used it for over 4000 contacts and it worked fine. It keeps all the details and eliminates duplicate entries automatically. The software is simple to use too and works on any Windows operating system. You can check out the demo before buying.
