Use the shell command
Sub open_excel()
Dim app_name As String
app_name = "C:\Program Files\Microsoft Office\OFFICE11\excel.exe
d:\common\abc.xls"
Call Shell(app_name, 1)
End Sub
C:\Program Files\Microsoft Office\OFFICE11\excel.exe is where the excel.exe
file is located
d:\common\abc.xls is the name of the excel file to open.
Alternatively you could use a hyperlink, look up the help file for this
item.