The Free On-line Dictionary of Computing (30 December 2018):

Groupwise

    A workgroup application suite
   offering electronic mail and diary scheduling from Novell,
   Inc.. It can operate on a number of platforms.

   Groupwise was previously known as WordPerfect Office, and is
   an extensible system suitable for LAN or WAN operation.
   Mail gateway software is available for a number of
   protocols including SMTP, allowing the exchange of mail
   with the Internet.

   (1995-09-23)