You might want to create a variant of this command file ...

parm myfile loc="c:\_data\"  <<change loc to your default dir>>
setvar mycmd chr(27) + "&oF SHELL EXPLORER.EXE !loc!myfile"
echo !mycmd
deletevar mycmd

<saved as myexp.pub or ? per HPPATH>

usage:
myexp help.hlp
myexp help.htm
myexp help.txt etc...

hth ...

rollie amurao
Softkeys-CSI