As of 17 November 2014, it’s easier to activate Office 365 subscriptions purchased via Open and Open Value programs.
Firstly, there’s a new streamlined activation method which means that you don’t even have to go into VLSC and the product keys are populated automatically for you – download a user guide for this process here: http://bit.ly/1yOOUQr.
Alternatively, if you prefer to initiate processes like this from VLSC then that’s still possible and you get the benefit of the simplified no-copying-and-pasting-of-product-keys improvements too.
Here’s the user guide explaining this process: http://bit.ly/1wciZbu.
See the Microsoft announcement here: http://bit.ly/1yOLoWd.