MC1181996 | (Updated) Migration update for Office 365 connectors retirement in Teams – webhook URL support

Service

Microsoft Teams

Last Updated

2026-04-15T18:51:40.427Z

Published

2025-10-31T23:03:55Z

Message ID

MC1181996

Updated April 15, 2026: We have updated the timeline, added known limitations, and confirmed private channel support. Thank you for your patience. [Introduction] We’ve extended the migration deadline to give organizations more time to transition. The following capabilities are now supported with Workflows webhooks: • Posting messages using MessageCard‑formatted payloads (no reformatting required; however, button rendering will not be supported) • Posting messages to shared channels These updates significantly reduce migration friction for customers currently using Office 365 Connectors. New — April 2026: Private channels are now supported for Workflows webhooks through the Power Automate por...

Open Full Notification Browse Message Center

This page is an SEO landing page for discoverability of Message Center ID MC1181996.