When generating a Contact Report, you can now export any of the custom fields visible on the Address/Phone tab (Source, Affiliation, etc.), as well as separate Title, First and Last names.
Click Reports > Contacts > Export Fields. Check any fields that you want to export. These fields are in addition to the Address fields and phone/fax/email fields that you select under columns.
You can add export field when Outputting to Word Merge as well.