Apple Mail to PST Converter Pro – Convert Apple Mail Database, MBOX file to PST file format for Microsoft Outlook.
Entourage to PST Converter Pro

Entourage to PST Converter Pro – Convert Microsoft Entourage Archive 2004/2008 (RGE) to PST file format for Microsoft Outlook format.
Thunderbird to PST Converter Pro

Thunderbird to PST Converter Pro – Convert Thunderbird Mail Database ( SBD Directory) to PST file format for Microsoft Outlook.