You don't download it- it comes with Outlook.
With Outlook open, hit Alt-F11 to open the VBA Editor,
then F1 to open the Help, or F2 to open the Object browser
that allows you to look at everything in the Object Model.
You may have to do a re-install/add components of
Office/Outlook if you didn't install the VBA Help. Make
suer you select VBA Help to be installed for each Office
app you want to program for. Note that the VBA Help is
different from the regular App Help- ie., Outlook VBA Help
is different from Outlook Help.
You will find everything you need by looking around in VBA
Help and the Object Browser.
Good Luck,
-Andrew Cushen
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