Gmail offers easy export option for all the contact in your Gmail contacts.
Login to Gmail
Click Contacts on the left side of the page
You will get a new screen with Gmail contact Export option on the right side
Click on the Export link
You will see the Export options
Gmail contacts offers a feature where you can export your contacts by group. So choose the group that you want to export
Choose the format that you want to export
Google format helps you to upload the CSV file to another Gmail ID
Outlook format helps you to upload the CSV file to widely used email services like Yahoo, Hotmail etc�
Gmail Contacts will get exported and ask you for the file location to save the exported Gmail contacts.
You can use the uploaded file to copy the contacts to another email programs.
If you have and questions or suggestions, please post a comment.