Microsoft Teams: Prepare custom apps for private and shared channel compatibility

Microsoft Teams will roll out a feature by September 2026 to help admins identify custom line-of-business apps needing updates for private and shared channel compatibility. Updating these apps ensures business continuity, reduces support issues, and maintains app access across evolving channel experiences. What and Why: Microsoft will begin rolling out a new feature in Teamsadmin center that helps admins identify custom line-of-business (LOB) apps thatneed updates to work in private and shared channels. Taking action now willhelp organizations ensure apps are available in these channels and worksmoothly across evolving channel experiences. This message is associated with Microsoft 365 Roadmap ID 569019 Rollout Schedule: General Availability (Worldwide): We will begin rolling out on early September 2026 and expect to complete by late September 2026. Impact on your organization: If apps are not updated to support private and sharedchannels, users may be unable to access those app experiences in these channelsuntil the required updates are completed. Why this isimportant: Business continuity: As organizations adopt private and shared channels, updating LOB apps helps reduce the risk of app access gaps across channels. Lower operational overhead: Completing these updates early can help reduce admin escalations, helpdesk tickets, and reactive fixes. What you can expect Admins will be able to view a list of custom LOB apps thatare not compatible with private and shared channels in the Teams admin centerunder Teams apps > Manage apps. View image in new tab Guidance is available now, enabling organizations to workwith custom LOB app developers to plan and complete the required updates.Developers can review the documentedrequirements, update their apps, and validate supported scenarios. Action Required / Recommendations: Review custom apps used in team and channelscenarios across your organization. Ask your app developers to complete the requiredupdates for private/shared channel scenarios. Validate that updated apps continue to supportthe scenarios your users rely on. Learn more: Teamsconnects shared and private channels – Teams | Microsoft Learn Message ID: MC1459131

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