What features should I look for in a secure data room for collaboration with legal teams?

Secure data rooms have become essential for organizations needing to share sensitive documents with legal teams during various processes, from due diligence to litigation support. However, selecting the right data room for seamless collaboration can be challenging. Security features like encryption, multi-factor authentication, and granular access control are critical, but usability is equally important for ensuring legal teams can efficiently review and comment on documents. Features like version tracking, automated watermarking, secure document sharing, and in-platform communication tools can significantly enhance collaboration. What features do you consider essential for a secure data room when collaborating with legal teams? Are there any specific tools or features that you’ve found particularly useful in streamlining legal workflows?