On Fri, Dec 7, 2018 at 12:22 PM <buhtz at posteo.de> wrote: > Opening Claws I got the messing "addressbook index missing". The > adressbook is empty. I found this on the mailing list archives that could be helpful in recovering the address books: https://lists.claws-mail.org/pipermail/users/2015-July/013543.html