Pst Converter Pro can import all your mails and mail boxes including the attachments and also your contacts from outlook to apple mail. You can find this tool here:http://www.pstconverterpro.com/ Help yourself. Thank you.
PST Converter Software allows export of PST files into popular files extensions like EML/ EMLX/ MSG/ VCF & MBOX. This Software Supports Outlook database Conversion to multiple email clients Outlook Express, Apple Mail, Thunderbird, Window Live Mail. PST Converter Supported MS Outlook 2002, 2003,2007,2010 or 2013 format. This tool Support Windows 8/10/XP/Vista.