The choice of where you put your buttons also must evaluate whether or not
buttons for an Inspector might be added to WordMail items. In that case you
cannot add your buttons to the Standard toolbar, only to a custom toolbar
Other than that your rule of thumb is pretty much what I follow, unless the
client has specific UI requirements as to where to place the controls.
[MVP - Outlook]
Author: Professional Programming Outlook 2007.
Reminder Manager, Extended Reminders, Attachment Options.