A wizzard will appear. Choose "Text - Delimited" as the file type.
Click on the "..." button to choose a file name and location for the exported contacts. In the save
as box type in a name for the file (ex. "my_contacts.csv") and select "Text - Delimited (*.csv)" in
the box labeled "Save as type:"
Click on the "Next" button.
Select the "Contact records only" option under the "What kind of records do you want to export?" question.
Click on "Options" and select "Comma" as the field separator. Click "Next"
Choose the contact group you would like to export.