Thanks to a CA Hackathon project, you can now search closed projects in Agile Central! Perhaps you've had a feature with child stories in closed projects, or dependencies between artifacts in open and closed projects, or you just can't seem to find what you're looking for. Now you can go to the Search page and select the "Search only closed projects" option to look for items in closed projects.
We would love to hear any feedback you have on this new functionality!