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Slack · legacy macOS compatibility
Team messaging and collaboration desktop app.
Only sourced records are listed. An unlisted OS does not automatically mean the app cannot run; it means this database does not yet have reliable evidence for it.
| macOS | Final version / lifecycle | Status | Notes | Source |
|---|---|---|---|---|
| macOS Monterey 12 | Support ended 2026-05-18 | ● End of support | Slack documents macOS 12 and below reaching end of support on May 18, 2026. A precise final desktop build is not published on this page. | Slack support lifecycle |
| macOS Big Sur 11 | Support ended 2024-09-01 | ● End of support | Slack documents macOS 11 and below reaching end of support on September 1, 2024. | Slack support lifecycle |