SlackBridge

Spec sheet

Purpose

SlackBridge relays messages between Slack and Microsoft Teams so teams can communicate with clients in Teams while staying in Slack.Read 10 Oct 2026 · slackbridge.com

Intended users

SlackBridge identifies digital agencies, consultants and advisors, MSPs and IT providers, and software vendors as intended users.Read 10 Oct 2026 · slackbridge.com

Supported platforms

webRead 23 Sep 2026 · slackbridge.com

Free plan

YesRead 23 Sep 2026 · slackbridge.com

Integrations

The product connects Slack workspaces with Microsoft Teams tenants using the Microsoft Graph API.Read 10 Oct 2026 · slackbridge.com

Security

SlackBridge says message content is relayed without being stored at rest and retains routing metadata for thread synchronization for seven days.Read 10 Oct 2026 · slackbridge.com

Compliance

SlackBridge says its controls align with SOC 2 Trust Service Criteria, but it has not completed a formal audit and does not hold its own SOC 2 or ISO 27001 attestation.Read 10 Oct 2026 · slackbridge.com

Support

SlackBridge says it responds to support inquiries within one business day.Read 10 Oct 2026 · slackbridge.com

Maker

SlackBridge identifies itself as a Square Post Labs Inc. product.Read 10 Oct 2026 · slackbridge.com

Channels

YesRead 23 Sep 2026 · slackbridge.com

Encryption

SlackBridge says connections use TLS 1.3 and clarifies that transport encryption is not end-to-end encryption.Read 10 Oct 2026 · slackbridge.com

Files and reactions

Files can be shared in both directions in standard Teams channels, and Teams reactions map to Slack reactions while Slack reactions appear as visible messages in Teams.Read 10 Oct 2026 · slackbridge.com

Guest access

YesRead 23 Sep 2026 · slackbridge.com

Mentions

Mentions can notify people across platforms, but are unavailable in private or shared Teams channels and in messages whose files SlackBridge copies.Read 10 Oct 2026 · slackbridge.com

Message history

unlimitedRead 23 Sep 2026 · slackbridge.com

Message sync

Messages and replies sync in both directions in near real time using webhooks rather than polling.Read 10 Oct 2026 · slackbridge.com

Permissions

Both Teams setup methods require Microsoft 365 tenant administrator approval; Core Bridging requests six Microsoft application permissions and Full Integration requests eleven.Read 10 Oct 2026 · slackbridge.com

Threads

Threaded replies are matched across platforms, but replies to parent messages older than seven days arrive as new messages rather than in the thread.Read 10 Oct 2026 · slackbridge.com

Plans and prices

Every SlackBridge plan and price →

Where Specifiction places it

• Team chat apps#39 of 638.0