Thanks George, you're suggestion seems to work great. However, when I use database fields for my path and filename it doesn't work - lnresult returns 2.

WORKS:
lnresult = ShellExecute(0,'open',"wmar-100.dwg","","s:\drafting\acts\98202", 9)

DOESN'T WORK:
lnresult = ShellExecute(0,'open',vacancies_view.fp_name,"",vacancies_view.fp_path, 9)

Any suggestions?