MC808160 - Microsoft Teams: Office 365 Connectors feature retires starting August 15, 2024

Updated July 23, 2024: We understand and appreciate the feedback that customers have shared with us regarding the timeline provided for the migration from Office 365 connectors. We have decided to extend the retirement timeline through December 11,2025 to provide ample time to migrate to another solution such as Power Automate, an app within Microsoft Teams, or Microsoft Graph. Please see below for more information about the extension:

All existing connectors within all clouds will continue to work until December 2025, however using connectors beyond December 31, 2024 - Reminder: Users needwill require additional action.

Connector owners will be required to update their Webhook URLsthe respective URL to post by January 31, 2025, to ensure their notifications continue posting to Microsoft Teams. For more information on how to do this, please referDecember 31st, 2024. At least 90 days prior to the October 16th update below.

Updated October 16, 2024: Updated information related to Office 365 Connectors Retirement in Teams - Webhook URL Migration. Thank you for your patience.

 As shared in the last communication, we are publishing guidance for owners of webhook-based connectors to update their URLs with a new structure. To allow ample time for replacing URLs, connector owners will have until January 31, 2025, which is an extension from our previous deadline of December 31, 2024. See below for complete guidance.

Webhook-based connectors within2024 deadline, we will send further guidance about making this URL update. If the O365 Connectors service in Teams are transitioning to a new URL structureis not updated by December 31, 2024 the connector will stop working. This is due to the implementation of further service hardening updates. During this transition, you may receive notifications to update your configured connector to use theupdates being implemented for Office 365 connectors in alignment with Microsoft’s Secure Future Initiative

Starting August 15th, 2024, all new URL. We strongly recommend that you update your connector immediately to prevent any disruption to connector services. URLs for all webhook-based connectors mustcreations should be updated by January 31, 2025 for the connectors to continue posting messages into Teams. Keep in mind the entire O365 Connectors service in Teams will be retired at the end of 2025, so consider moving your webhooks tocreated using the Workflows app withinin Microsoft Teams

We will be retiring the Microsoft Office 365 connectors feature in Microsoft Teams starting August 15, 2024, and ending October 1, 2024. For similar functionality, we recommend using the Workflows app in Microsoft Teams, where we will continue to avoid conducting another migration. Documentation: Create incoming webhooks with Workflows for Microsoft Teams - Microsoft Supportinvest our development resources. As we strive for continuous improvement, the shift toward Power Automate workflows represents our commitment to providing scalable, flexible, and secure solutions. Power Automate workflows not only offer enhanced capabilities but also ensure that your integrations are built on a platform that can grow with your business needs.

How this will affect your organization:

ThisWe will gradually roll out this change is needed only for webhook-based Connectors such as Incoming Webhook and third-party connectors where a URL is provided for posting messages. The change is not required for polling-based connectors such as RSS.

To update webhook URLs for existing O365 Connectors, follow these steps: Manage Microsoft 365 connectors and custom connectors - Microsoft Teams | Microsoft Learn

1. Go to Manage Channelin a Teams channel, select Edit under the Connectors option, and select Configured section. Review the existing connections listed on this page.

2.Do one of the following to generate a new URL:two phases:

• ForEffective August 15, 2024: All new connector creation will be blocked in all clouds.
• Effective October 1, 2024: All existing connectors that contain a webhook URL, select Manage and Update URL.
• For other types of connectors, remove the connector and recreate the connector configuration.in all clouds will stop working.

3. Replace the old URL with the new URL (or the new connection in the service that triggers the post). You'll know the new URL is ready for you to copy when the Configure page shows a message that the URL is updated ("Url is up-to-date").

What you need to do to prepare:

The belowThis change will happen automatically on the specified dates are still unchangedlisted above. No admin action is required. Please notify your users about this change, update relevant documentation as appropriate, and were communicated in previous updates:

• Entire O365 Connector service in Teams will retire in December 2025.
• Developers will no longer be able to create new Office 365 Connectors fromshare the Developer Portal starting August 15th, 2024.

Additional documentation:Browse and add workflows in Microsoft Teams support article.

Create incoming webhooks with Workflows for Microsoft Teams - Microsoft Support

Browse and add workflows in Microsoft Teams - Microsoft Support

Note about parity features for the Workflows app

We are currently developing a method for webhooks in the Workflow app to support the following scenarios and will shareLearn more details before March 30, 2025.about the retirement of Microsoft Office 365 connectors and migrating to Workflows

• Post messageCard formatted message payloads (so you do not have to reformat the payload to adaptive card)
• Post to private channels