global index

from The Free On-line Dictionary of Computing (8 July 2008)

global index

   <filename extension> (gid) The filename extension of a
   {Windows 95} "global index" file.  .gid files are created by
   the help {browser} internal to Windows 95 (also available for
   other Windows versions) for WinHelp files ({hlp}), as well as
   for storing user preferences, such as window position.

   (1997-01-30)