Choose which information you would like to export from your Address Book.
From the Export from categories drop-down list, select the category you want to export.
In the Export Fields section, click Add to pick different Address Book fields for exporting. For example, you could choose to export information in the last name, e-mail and notes fields. Click Add All to export all of your Address Book Entries' fields. Select a specific field and click Delete to remove it from the list of fields to export.
Click Up and Down to change the ranking of the fields
you have chosen to export.
See also:
Exporting a text file of activities by date
Exporting a text file of activities by person
Exporting a tab-delimited text file for Agendas
Exporting a comma-delimited text file for Agendas