PowerShell or Exchange Management Shell (EMS) is a free program executed by the brand Microsoft to check the status of Exchange Server with a command-line interface. It checks the mailbox status and connects or disconnects the Exchange Database but the user also can use this program to Export Exchange Mailbox to PST. This utility is
NSF to PST Converter
Single tool for Lotus Notes to Convert unlimited NSF file to PST and 8+ other conversion formats. This tool supports all versions of IBM Lotus Notes.