Channels, threads & search
How this is scored
The daily surface: channel model, threading, mentions, files, and whether search can find a decision made eighteen months ago.
0 — Flat group chats with no threads; search covers recent messages only, and history is capped.
3 — Channels and direct messages with basic search, but threading is awkward or absent and file handling is a plain attachment list.
5 — Public and private channels, real threads, mentions and reactions, file sharing with previews, and full-text search across the whole history.
8 — Cross-organisation or guest channels with clear boundaries, message editing history, pinned and saved items, search with filters by channel, person and date, and a documented history limit or none at all.
10 — The archive is a working knowledge base: search that ranks well across years, threads that stay readable, channel lifecycle management (archive, rename, merge) without losing history, and export of a conversation in a form a human can read.
The Compliance Counsel
The thread-and-channel model is the best-evidenced capability in the capture: real threads with notification targeting at creation, channel descriptions, sorting and colour-coding, pinned threads, threads moved between channels, and a documented archive-and-unarchive lifecycle that keeps retired channels browsable. What I found no public information on is the archival half — search scope, filters and any history limit, private channels, message edit history, or an export of a conversation in a form a human could read. 1 2 3 7