 The board found that most of this 11 million square feet of federal office space is underutilized and that agencies could save about $3 billion in the long term by eliminating about 60% of the space. Jory Heckman, Federal News Network. Find these stories and more at federalnewsnetwork.com. I'm Eric White. What's happening while you're working? Subscribe to In Case You Missed It newsletter at Federal News Network.