Stellar Mail Converter-Mac [Download] Converts Apple Mail (MBOX) to Outlook 2011 (RGE) Converts Apple Mail (EMLX) to Outlook 2011 (RGE) Converts Outlook 2011 Backup File (OLM) to Apple Mail (MBOX) Converts PostBox (MBOX) to both Outlook 2011 (RGE) and Apple Mail (MBOX) Compatible with Mac OS X Mavericks