How do I load a workspace resp. switch between them?

[sparhawk]

I have looked through all the menu settings but I don't find any way to load a workspace. How am I supposed to switch between them?
I know that I can set this option so that the default is loaded on startup, but what do I do if I want to load a different one?

When the default is loaded, what does it mean? Does it always only load the default.workspace or does it load the last one active?

[oBFusCATed]

File -> Open -> Browse to your workspace and load it.