from 05/18/2026 to 05/24/2026
48 Office 365 Message Center Items were changed and 26 Office 365 Message Center Items were added
Please note: Only common Message Center messages are in this list you should always check your Message Center for additional messages
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Changes
MC End Time changes
| MC ID | MC Title | Old Value | New Value | MC Action required by |
|---|---|---|---|---|
| MC1072406 | (Updated) Microsoft Edge for Business: New PDF viewer powered by Adobe engine now available for testing in Edge Beta | 04/30/2026 10:00:00 | 2026-06-01T10:00:00Z | N/A |
| MC1146821 | (Updated) Rewrite with Microsoft 365 Copilot Chat coming soon to Edge for Business users | 06/30/2026 10:00:00 | 2026-07-31T10:00:00Z | N/A |
| MC1162275 | (Updated) Product transitions to the cloud.microsoft domain – September 2025 | 01/30/2026 09:00:00 | 2026-06-30T10:00:00Z | N/A |
| MC1174856 | (Updated) Microsoft 365 Copilot: Session persistence enhancement for Copilot chat | 06/01/2026 10:00:00 | 2026-07-31T10:00:00Z | N/A |
| MC1184994 | (Updated) Microsoft Teams frontline BYOD onboarding wizard | 08/10/2026 10:00:00 | 2026-10-12T10:00:00Z | N/A |
| MC1187682 | (Updated) Microsoft Edge: Microsoft 365 Copilot will support summarization and contextual grounding | 06/19/2026 10:00:00 | 2026-07-15T10:00:00Z | N/A |
| MC1189663 | (Updated) Retirement of external access token for actionable messages – moving to Microsoft Entra authentication | 06/15/2026 09:00:00 | 2026-07-15T09:00:00Z | 03/30/2026 |
| MC1194079 | (Updated) Microsoft Teams: Restart Event feature for Town Hall with unrecoverable failures | 05/18/2026 10:00:00 | 2026-07-10T10:00:00Z | N/A |
| MC1199767 | (Updated) Microsoft Teams: Select multiple messages to forward | 05/29/2026 10:00:00 | 2026-07-31T10:00:00Z | N/A |
| MC1217997 | (Updated) Microsoft Teams: Automatic removal of EXIF data from shared images | 05/25/2026 09:00:00 | 2026-07-20T09:00:00Z | N/A |
| MC1243552 | (Updated) High Volume Email for Microsoft 365 now generally available | 05/03/2026 09:00:00 | 2026-06-30T09:00:00Z | N/A |
| MC1258000 | (Updated) Microsoft Purview: Data Security Investigations – analyze files tied to endpoint DLP alerts | 06/19/2026 09:00:00 | 2026-07-20T09:00:00Z | N/A |
| MC1261593 | (Updated) Outlook: Improved handling of disallowed and failed email reactions | 07/31/2026 09:00:00 | 2026-06-01T09:00:00Z | N/A |
| MC1261595 | (Updated) Microsoft Teams town halls now support backup Real-Time Messaging Protocol (RTMP) streams | 06/01/2026 09:00:00 | 2026-07-20T09:00:00Z | N/A |
| MC1267977 | (Updated) Microsoft Teams: AI Interpreter (simultaneous) quality improvements and new Traditional Chinese support | 06/07/2026 09:00:00 | 2026-07-13T09:00:00Z | N/A |
| MC1280556 | (Updated) Microsoft Purview for agents: AI observability and insider risk management now generally available | 06/30/2026 09:00:00 | 2026-08-31T09:00:00Z | N/A |
| MC1280558 | (Updated) Use Copilot to explain selected slide content in PowerPoint Live | 07/01/2026 09:00:00 | 2026-07-27T09:00:00Z | N/A |
| MC1282562 | (Updated) Microsoft Purview eDiscovery: Naming and description fields will restrict certain special characters | 06/18/2026 09:00:00 | 2026-07-31T09:00:00Z | N/A |
| MC1283816 | (Updated) Microsoft Teams: Meeting organizers can automatically start transcription without recording | 06/15/2026 09:00:00 | 2026-07-13T09:00:00Z | N/A |
| MC1287373 | (Updated) Microsoft Teams introduces efficiency mode to improve app responsiveness | 06/15/2026 09:00:00 | 2026-06-30T09:00:00Z | N/A |
| MC1296281 | Microsoft Power Automate - Support for normalized schema import for data ingestion | 06/01/2026 16:42:00 | 2026-06-30T16:42:00Z | N/A |
| MC1302904 | (Updated) Viva Engage Communities and Storylines in Teams – Individual enablement controls | 06/18/2026 09:00:00 | 2026-06-29T09:00:00Z | N/A |
| MC1309746 | (Updated) Microsoft 365 Copilot: Copilot chat pane and Summary feature in OneNote Mobile (Android) | 05/30/2026 09:00:00 | 2026-07-31T09:00:00Z | N/A |
| MC1309747 | (Updated) Planner is now available in Outlook and Microsoft 365 Copilot | 07/01/2026 09:00:00 | 2026-08-03T09:00:00Z | N/A |
| MC1311972 | PowerPoint for the web: Create a presentation with Copilot directly from the PowerPoint web app | 02/01/2027 09:00:00 | 2026-06-30T10:00:00Z | N/A |
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