Microsoft has launched a local Slack-to-Groups migration device within the Microsoft 365 admin heart, simplifying the transition for organizations migrating collaboration workloads.
This characteristic helps transferring private and non-private channel content material instantly into Groups equivalents, preserving messages and continuity.
The device enters public preview by way of Focused Launch in early December 2025, with rollout completion by late January 2026. Common Availability follows worldwide from late January to early March 2026.
No opt-in is required, and it seems by default beneath Migration and imports. Microsoft 365 directors dealing with Groups see it with out disrupting current performance.
How the Migration Works
Directors entry the Slack-to-Groups migration part within the Microsoft 365 admin heart. First, export Slack workspace information as a ZIP file, then add it to an Azure Blob Storage container and generate a shared entry signature (SAS) URL. Paste this URL into the device to proceed. The interface prompts for choosing the blob path for Slack exports.
Slack to Microsoft Groups Migration
Eligible Slack channels are displayed for evaluate, with a mapping to Groups shared, public, or non-public channels. Person mapping happens by way of net UI or CSV for scale, requiring roles like Microsoft 365 Migration Administrator or International Administrator for consent.
The device transforms Slack information, threaded conversations, reactions, and attachments into Groups format with out deleting originals. Preliminary assist covers channels; expansions goal direct messages and extra.
Slack to Microsoft Groups Migration
This native possibility eliminates reliance on third-party instruments like CloudFuze or Kernel, chopping prices and complexity. Organizations retain dialog historical past throughout transitions, aiding compliance and productiveness.
No pre-rollout actions wanted, however planning migrations entails auditing Slack readiness and notifying IT groups. Future updates promise broader content material sorts, enhancing Groups’ ecosystem.
International Directors grant one-time consent for the Microsoft 365 Groups Migration app. Permitted roles guarantee managed entry, aligning with enterprise safety. Information stays in customer-controlled Azure storage till import, minimizing publicity.
For cybersecurity-focused groups, this reduces guide export dangers throughout migrations. No reported vulnerabilities tied to the preview, however monitoring CISA or NVD stays customary.
Microsoft positions this as a continuity booster amid Groups’ dominance, with over 320 million customers. Early adopters in Focused Launch report easy pilots, per group suggestions. As GA nears, anticipate wider uptake for hybrid Slack-Groups environments.
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