Message CenterMajor changeUser impactRetirement

MC1058266 — Classic Microsoft Teams: The option to open files in Teams will retire

MC1058266Microsoft TeamsplanForChangeUpdated: 19 April 2025

The option to open files in classic Microsoft Teams will be retired between April 15, 2025, and April 30, 2025, due to security vulnerabilities. Users should open files in the appropriate desktop or web app instead. This change does not affect the new version of Microsoft Teams.

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Applies to: Microsoft Teams
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).