If you use DirectoryPress 7.0.9 you may have noticed that the CSV export function isn’t working properly. This is going to be a quick “edit this here” fix.
Edit the admin-save.php file in your /wp-content/themes/directorypress/admin directory.
Find around line 1105 or so. It should have:
$dat = array_merge($dat, $FF);
Change that to:
$dat = $dat + $FF;
Save it and upload it to your server. It should now be able to export properly.