Stored macros are not automatically executed during ActiveX automation. To do so would almost always cause problems. You can however use ActiveX to run any macro in any open workbook.
To run the Auto_Open macro in your Personal.xls use this method:
Excel._Workbook.RunAutoMacros(xlAutoOpen)
or:
Excel._Application.Run("Personal.xls!Auto_Open")
Make sure that the other workbook is the active workbook before you run the macro.
Michael Munroe
Certified LabVIEW Developer
www.abcdef.biz