The term virtual data room is used broadly, and not every product that carries that label performs the same way across different deal types. A data room set up for a real estate transaction has different requirements from one built around a pharmaceutical licensing deal or a cross-border merger. What the Due Diligence Environment Actually RequiresDue diligence is where data room functionality gets tested most directly. Law firms and in-house legal teams working with a data room need to know that the record of who accessed what, and when, is accurate and exportable. The question of what happens to a data room after a deal completes is worth thinking about before setup rather than after.