E-discovery is a $9 billion industry and is expected to more than double in size by 2022 to over $18 billion, according to a report by Exterro Inc. published on Tuesday.

So how are in-house counsel navigating this quickly expanding sector that is so often essential to their success in protecting their companies from litigation threats? The report said that legal departments are making shifts in their approach to e-discovery, which can include in-sourcing these processes to help save money.