Source : Free On-Line Dictionary of Computing

Windows for Workgroups
     
         (WFW, WFWG) A version of {Windows 3.1}
        which works with a network.  Although stand-alone 3.1 can be
        networked, the installation and configuration is much improved
        with Windows for Workgroups (3.1).  Windows for Workgroups
        3.11 was a significant upgrade to WFW 3.1, adding 32-bit file
        access, fax capability and higher performance.
     
        (1996-07-08)