Thank you, but I have no idea what to do with the links you sent me. I will explore other options.

On 2017-05-15 23:03, A.L.E.C wrote:

On 15.05.2017 22:01, Jo Roseborough wrote:

I need to export my address book as a cvs file for importing into a
different email program (not Outlook). I am not finding any information
in the forum or on your website about how to do that. Can you assist me?

You may try this plugin
https://git.kolab.org/diffusion/RPK/browse/roundcubemail-plugins-kolab-3.2/plugins/csv_export/
but it's not really supported.