What is inside the MS Excel VBO library? Let's take a look at what it contains. From Object Studio, double-click on MS Excel VBO and open it for editing (alternatively, right-click on the Create Excel instance action that we added earlier and select View action in Object Studio).
Click on the little arrow at the side of the Initialise tab 
. The list of MS Excel VBO actions is extensive and contains many ready-to-use actions. Let's take a close look at one of the actions. Choose the Create Instance action that we used just a moment ago. Earlier, we saw that the Create Instance action starts the Microsoft Excel application. How does it do it? Notice that the action contains a code block. Double-click on the Create Instance code block and click on the Code tab.
There are just three lines of working code, as shown in the following screenshot...
