Int 2F Fn 9400 - Micro.exe - Installation Check [e] AX = 9400h Return: AL = 07h or 08h if installed Program: MICRO.EXE is a TSR of the Microsoft Mail part of Workgroup Connection See Also: AX=9401h,AX=9402h,AX=9403h,AX=9404h,INT 21/AH=3Fh"WORKGRP.SYS"