Part of the challenge associated with capturing conversational data from services such as Slack or Zendesk is presenting it in a readily usable format for downstream eDiscovery processing, review, and productions.
Relativity Short Message Format is an interesting recent development. In essence, this looks like an extension of the RFC 5322 format with additional data to represent conversations, events, reactions, etc. You can read more about the details here:
Is anyone in our community using RSMF? If so, do you consider it a successful output format for conversational data? Any other tools that support RSMF besides RelativityOne? Other viable alternatives?