Opening an excel file manually allows formulas to run, opening an excel file with VBScript or PowerShell or Python's win32com doesn't

Question

I\'m having a problem with a script not updating an excel file, and I reduced it to the following problem:

If I open an excel file, I can go to the Formulas tab and

Answer 1

Try adding a module with this in it

    Sub Auto_Open()
        ActiveWorkbook.RefreshAll
        Calculate
    End Sub