del
What are you talking about? This is already in there - it comes as standard with any Apple outline view. You have to alt-click on the triangles - this will expand all or collapse all for that group.
del
Don’t feel bad, Maria, I didn’t know it was there either and I asked for the same thing. Poor Keith. He has to teach us the basics as well as listen to all the complaining. 
Alexandria
I have apologised to Maria as I was a little rude. 
Result of screaming children + hangover.
What would really help is if people could post things like this to the Tips & Tricks forum, so that users have somewhere to look and so that I can check through that forum when I come to write the Help file to see what I need to include… Hell, I’ll do it myself right now…