Your contact lists are exported and saved in a comma-separated (.csv) text file format.
To export your address book:
From the Preferences tab, click the Import/Export tab.
In the Export section, select Single folder and browse to select the address book. csv folder to export.
In the Type drop-down, select the contact format type you want to export the contact file as:
ETC contacts
Yahoo! contacts
Gmail contacts
Outlook 2000 contacts
Outlook 2003 contacts
Outlook contacts
Thunderbird contacts
This formats the contact information in the proper order for that type of address book.
Click Export.
Select where to save the exported file and click OK.