As I found out NOT all exportable address book fields are (re-)importable later again.
For example I can export “Note” and “Folder”.
But I cannot import them. When I right click on the CSV file columns then the context menu does not show entries for “Note” and “folder”.
Especially the “Note” field is important for me when I import addresses from other email clients or databases.
Maybe there are some other, additional fields which are similary not importable as well.
Could the developers pls check this and provide the full range of addess book fields for import.