What Syncs Across All Three Platforms
Every message element is preserved and translated between Slack, Teams, and Google Chat.
| Feature | Slack | Teams | Google Chat |
|---|---|---|---|
| Messages | ✅ Real-time | ✅ Real-time | ✅ Real-time |
| Thread replies | ✅ Preserved | ✅ Preserved | ✅ Preserved |
| @mentions | ✅ Mapped | ✅ Mapped | ✅ Mapped |
| Emoji reactions | ✅ Synced | ✅ Synced | ✅ Synced |
| File attachments | ✅ Forwarded | ✅ Forwarded | ✅ Forwarded |
| Message edits | ✅ Propagated | ✅ Propagated | ✅ Propagated |
| Message deletes | ✅ Propagated | ✅ Propagated | ✅ Propagated |
How to Set Up the Three-Way Bridge
Connect Slack
Authorize Syncrivo via OAuth 2.0. Requires channels:read, channels:history, and chat:write scopes.
Connect Teams
Sign in with Microsoft 365. Syncrivo requests ChannelMessage.Read.All and ChannelMessage.Send via Microsoft Graph.
Connect Google Chat
Authorize with your Google Workspace admin account or configure a Chat API service account.
Select channels
Map Slack channels, Teams channels, and Google Chat spaces to each other. Messages flow between all three in real time.
Who Uses This Integration
M&A — Day-1 connectivity
Acquirer on Teams, acquired company on Slack, external advisors on Google Chat. All three connected in under an hour, no migration required.
Global enterprises
Engineering org on Slack, IT/HR on Teams, external partner ecosystem on Google Chat. One bridge, zero context-switching.
Client collaboration
Consulting firms that serve clients on different platforms need all three available without forcing clients to change tools.
Tech-stack standardization
Organizations mid-migration from one multi platform chat integration to another benefit from bridging all three during the transition period.
Frequently Asked Questions
Yes. SyncRivo bridges all three platforms simultaneously through a single channel mapping — there is no need to chain pairwise integrations. A message sent in Slack appears in both the mapped Microsoft Teams channel and the mapped Google Chat space within roughly 100 milliseconds, and the same applies in reverse for any direction: a Teams message reaches Slack and Google Chat in real time, and a Google Chat message reaches Slack and Teams. The routing topology is configured per channel mapping in the SyncRivo dashboard, so different bridges can have different fan-out shapes — some channels can be three-way, others can stay pairwise. Messages flow through a stateful sync engine rather than a stateless trigger-action pipeline, which is what allows three-way bridges to remain stable at production volume without duplicate or recursive delivery between the three platforms.
You need OAuth authorization with sufficient permissions on each platform, but not necessarily full tenant-admin access. The required scopes are: Slack (channels:history, chat:write, files:read at minimum — installable as a workspace app by an admin), Microsoft Teams (ChannelMessage.Read.All and ChannelMessage.Send via the Microsoft Graph API, granted by an Azure AD admin), and Google Chat (Google Workspace admin to install the SyncRivo app, or a service account with Chat API access for narrower deployments). Setup is one-time per platform and takes 5 to 15 minutes per side. SyncRivo never requests broader permissions than it needs — for example, the Slack app does not request access to direct messages or private channels unless those are the channels you intend to bridge. All granted permissions are visible in each platform's admin console and can be revoked at any time, which immediately disables the bridge.
Yes. Thread replies are preserved and routed to the correct thread context in each platform — a reply posted in a Slack thread appears as a reply in the corresponding Microsoft Teams thread and the matching Google Chat thread, not as a top-level message. SyncRivo maintains a persistent message-pair map for every routed message, so when a reply event fires it is correlated to the original parent message across all three platforms before being delivered. This is one of the largest behavioral differences from generic automation tools like Zapier or Make: those use a linear trigger-action model with no concept of conversational context, so thread replies typically post as new top-level messages, breaking conversations into fragmented top-level posts. SyncRivo also handles edits and deletions inside threads with the same correlation logic, so an edit to a thread reply in Slack updates the corresponding reply in Teams and Google Chat.
Absolutely. SyncRivo bridges are configured at the individual channel and space level, not at the workspace or tenant level. In the dashboard you select exactly which Slack channels, Microsoft Teams channels, and Google Chat spaces should be part of each bridge mapping — every other channel in each platform is completely untouched and SyncRivo has no visibility into them. This per-channel scope is critical for compliance and security review: it means you can bridge a single cross-functional project channel between three platforms without giving SyncRivo (or the bridge participants) any access to private channels, sensitive HR discussions, executive channels, or unrelated team channels in any of the three workspaces. New bridges can be added incrementally as needs arise — for example, starting with one pilot channel and expanding to a full department over weeks, rather than committing to a workspace-wide deployment up front.
Yes. Files shared in any of the three platforms are forwarded to the other two as inline previews when the file type and destination platform support inline rendering (images, PDFs, Office documents) or as secure short-lived links when they do not. Large file transfers are handled via a secure CDN relay with zero persistent storage on SyncRivo infrastructure — the file metadata is routed in real time and the actual file bytes stream directly from the source platform's storage to the destination platform's storage, with SyncRivo acting only as the routing layer. File permissions are honored: a file shared in a private channel does not become accessible outside the bridged channel set on the destination platform, and access can be revoked from the source platform at any time. Image attachments under 25MB typically arrive in the destination platform within 200 to 400 milliseconds.
Yes. This is one of the most common SyncRivo deployment scenarios — particularly during mergers, acquisitions, or multi-vendor partner engagements. Typical setup: an acquirer running on Microsoft Teams, an acquired company running on Slack, and an external partner or supplier running on Google Chat. SyncRivo bridges all three without requiring any user to install a new app, switch platforms, learn a new interface, or even know that the other parties are on different tools. Each user simply continues to message in their native platform, and the messages route invisibly across the bridge. There is no shared guest account, no requirement to add external users to internal directories, and no cross-tenant permission grant needed beyond the OAuth authorization on each side. This is why SyncRivo is frequently used for time-bounded engagements like M&A integration, joint ventures, and external advisory partnerships where directory federation would be operationally and politically impractical.
Yes. SyncRivo is SOC 2 Type II certified and HIPAA-ready, with a signed Business Associate Agreement (BAA) available on the Enterprise plan for covered entities and business associates. Messages are never stored on SyncRivo infrastructure — the routing engine inspects each message in transit, applies any DLP policies you have configured in the source platform, and delivers it directly to the destination platform, where it is retained under that platform's existing retention policy and your existing eDiscovery setup. SyncRivo also provides immutable audit logs of every routed message (sender, channel, timestamp, destination) for compliance review, GDPR-friendly regional processing zones in EU, US, and APAC for data-residency requirements, RBAC scoped per integration, and SSO/SCIM for identity. Compliance documentation including SOC 2 reports and security questionnaires is available under NDA via the Trust Center on syncrivo.ai.
Zapier and Make use a linear trigger-action automation model: when event X happens in platform A, perform action Y in platform B. That model cannot natively maintain conversational thread context across multiple platforms, prevent echo loops when a bridged message triggers its own re-delivery, sync message edits or deletions, preserve sender identity through a native sender proxy, or handle multi-party three-way fan-out without combinatorial complexity. Builders typically discover these limitations only after deploying — when threads fragment, edits silently desync, and echo loops cause message storms. SyncRivo was purpose-built as a stateful synchronization engine for real-time bidirectional messaging, with first-class support for threads, reactions, @mentions, edits, deletions, attachments, and identity preservation across all five platforms. The architectural difference is the difference between a workflow automation tool and a dedicated communications interoperability layer — they solve genuinely different problems.
Related Two-Platform Integrations
Further Reading
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