Invoke AppleScript from Outlook With the loss of the AppleScript menu in Outlook 15, what is the easiest way to launch AppleScripts from within Outlook?  

In earlier versions, these scripts were located in /Users/Library/Application Support/Microsoft/Office/Outlook Script Menu Items/.  Is this folder still relevant?
You can use the AppleScript menu on the Menu bar. Script Editor > Preferences... > General


Script Menu: [√] Show Script menu in menu bar


Place your scripts in: ~/Library/Scripts



Or create Automator Service workflows using a Run AppleScript action.


Automator > New > Service
Service receives selected no input in any application
Add a Run AppleScript action
Replace the default AppleScript code with you code.
Save the Service workflow. (They are automatically saved in: ~/Library/Services) 


You can now access them from the Services menu in Outlook.

You can also assign a keyboard shortcut to any Service workflow that might be relevant to have one. This is done in: System Preferences > Keyboard > Shortcuts > Services

Or use a third-party utility like FastScripts.