Yes, This GroupWise to Exchange Server supports all window platforms including Win10.
Yes, this software supports EML, MSG formats to store the data transferred from Novell GroupWise mailbox. It's also support UNICODE and NON UNICODE corrector.
This software supports all version of Ms Outlook (including 2016), all version of Exchange Server (including 2016) and Novell GroupWise (GW-14 and below versions).
Microsoft Outlook should be properly installed. Both GroupWise and Exchange must be configured online to run this application program.