How do you open a window base app with code in Excel

[meansmpm]

The app is in "KO/RE Main Frame (Collections Workbench)

I need help writing a Macro to copy data from a Ecel spreadsheet and paste it in the windows base app.

 

[Diablo II]

Sub LaunchExample()
 Dim RetVal As Long
  'Launch calculator and give it the focus to the shell command returns a value, thus the need to capture it in a variable
  RetVal = Shell("C:\windows\calc.exe", vbNormalFocus)
End Sub