Collaboration during litigation is critical to ensure that all relevant information is discovered and reviewed. However, the emergence of various communication platforms like Slack and Teams has made the process more challenging. Collecting data from these platforms can be difficult as messages are stored differently, and there are different types of communications and channels to consider. Additionally, preserving and collecting collaboration data, and deciding on the best method to do so, presents another challenge. This article (part 3 of a 4-part series) explores the challenges involved in collaboration during litigation and how technology can help address these issues.