I have been working on a project for a customer who has a large number of contacts. macOS ‘Contacts’ simply crashes and unexpectedly quits when trying to open and/or sync with the upstream server. The contacts are stored on a Kerio Connect server and we have access to the backend.
Note – Apparently, a few other mail servers on the market store contacts in the same way as Kerio Connect, you may be able to use this script for converting .eml files from these other mail servers too. Read More