| MC1469960 |
(Updated) Microsoft Exchange Online: Review and configure EWSAllowedAppIDs before Exchange Web Services access changes
3 · Medium
Exchange Online
|
Prevent or fix issue |
18 Sep 2026 |
—
|
| MC1474111 |
Retirement of Microsoft 365 Companion apps
5 · High
Microsoft 365 suite
Major
|
Plan for change |
18 Sep 2026 |
—
|
| MC1474104 |
Microsoft Entra ID: Follow-up on SMS first-factor sign-in retirement and upcoming changes
8 · Critical
Microsoft Entra
Major
|
Plan for change |
18 Sep 2026 |
01 Feb 2027
|
| MC1238432 |
(Updated) Microsoft 365 Copilot app: Branded footer customization
Microsoft 365 Copilot Chat
|
Stay informed |
17 Sep 2026 |
—
|
| MC1473151 |
Microsoft Edge: IE mode is supported through at least the end of 2029, plan your migration
Microsoft 365 suite
|
Plan for change |
17 Sep 2026 |
—
|
| MC1458480 |
(Updated) Microsoft Edge: Security Update Alerts in the Edge management service
Microsoft 365 suite
|
Stay informed |
17 Sep 2026 |
—
|
| MC1473166 |
Brand Skill support now available in PPT Copilot [Desktop]
Microsoft 365 apps
|
Plan for change |
16 Sep 2026 |
—
|
| MC1473165 |
Brand Skill support now available in PPT Copilot [Web]
Microsoft 365 apps
|
Plan for change |
16 Sep 2026 |
—
|
| MC1473163 |
Brand Skill support now available in PPT Copilot [Mac]
Microsoft 365 apps
|
Plan for change |
16 Sep 2026 |
—
|
| MC1473149 |
Loading Power Query data to Python in Excel Web: Retirement
5 · High
Microsoft 365 apps
Major
|
Plan for change |
16 Sep 2026 |
—
|
| MC1473148 |
Microsoft 365 Usage Reporting Updates (Microsoft Browser and Visio)
Microsoft 365 suite
|
Plan for change |
16 Sep 2026 |
—
|
| MC1472598 |
Microsoft 365: Find more actions in the suite header menu
Exchange Online
|
Plan for change |
15 Sep 2026 |
—
|
| MC1426371 |
(Updated) Microsoft Entra: Passkeys by default and retirement of Microsoft-provided SMS and voice authentication
5 · High
Microsoft Entra
Major
|
Plan for change |
15 Sep 2026 |
—
|
| MC1469957 |
[Whiteboard] Legacy Whiteboard migration to OneDrive
Microsoft OneDriveMicrosoft TeamsMicrosoft 365 apps
|
Plan for change |
15 Sep 2026 |
—
|
| MC1446799 |
(Updated) Microsoft Teams: Multilingual meeting recaps support personalized recap translation
Microsoft Teams
|
Plan for change |
15 Sep 2026 |
—
|
| MC1472429 |
Support for Office LTSC 2021, and additional apps will end on October 13, 2026
8 · Critical
Microsoft 365 suite
Major
|
Plan for change |
15 Sep 2026 |
13 Oct 2026
|
| MC1462471 |
(Updated) Microsoft SharePoint : Dashboard Card Visibility on Mobile
SharePoint OnlineMicrosoft Viva
|
Stay informed |
15 Sep 2026 |
—
|
| MC1314949 |
(Updated) Microsoft Viva Copilot Analytics: Daily Copilot usage snapshot with fresh data
Microsoft Viva
|
Stay informed |
15 Sep 2026 |
—
|
| MC1472032 |
Microsoft 365 Copilot: Insights Copilot Analytics cowork adoption impact
Microsoft Viva
|
Plan for change |
14 Sep 2026 |
—
|
| MC1093912 |
(Updated) Microsoft Outlook for iOS/Android: Improved Contacts with profile enrichment and duplicate management
Exchange OnlineMicrosoft 365 apps
|
Stay informed |
14 Sep 2026 |
—
|
| MC1470901 |
Microsoft Teams: Enhanced real-time alerting rule management in the Teams admin center
Microsoft Teams
|
Stay informed |
12 Sep 2026 |
—
|
| MC1470883 |
Microsoft Outlook for iPad: Minimize email drafts and return to them later
Exchange Online
|
Stay informed |
11 Sep 2026 |
—
|
| MC1470871 |
Microsoft Graph: User.ReadBasic.All will no longer allow reading user app role assignments and license details
3 · Medium
Microsoft Entra
|
Prevent or fix issue |
11 Sep 2026 |
—
|
| MC1181769 |
Microsoft Purview: Integration with Entra GSA Internet Access to enable sensitive file filtering at the network layer
Microsoft Purview
|
Stay informed |
11 Sep 2026 |
—
|
| MC1470426 |
Data Privacy: Microsoft Online Services Subprocessor Disclosure
Microsoft 365 suite
|
Stay informed |
11 Sep 2026 |
—
|
| MC1455014 |
(Updated) Microsoft Teams: Teams Events Attendance and Engagement Report Policy
Microsoft Teams
|
Stay informed |
11 Sep 2026 |
—
|
| MC1470425 |
Microsoft Copilot Cost Management: September Updates
Microsoft 365 Copilot Chat
|
Stay informed |
10 Sep 2026 |
—
|
| MC1470417 |
Microsoft 365 Copilot: Review PDFs using the Copilot context menu on OneDrive iOS
SharePoint OnlineMicrosoft OneDrive
|
Stay informed |
10 Sep 2026 |
—
|
| MC1282683 |
(Updated) Create and edit SharePoint pages with Copilot-powered AI
SharePoint Online
|
Stay informed |
10 Sep 2026 |
—
|
| MC1466753 |
(Updated) Microsoft Word: Similarity Checker retirement
5 · High
Microsoft 365 apps
Major
|
Plan for change |
10 Sep 2026 |
—
|
| MC1469962 |
Change in sender email address for Copilot emails
Microsoft 365 suiteMicrosoft 365 Copilot Chat
|
Stay informed |
09 Sep 2026 |
—
|
| MC1469961 |
Microsoft Viva Glint: Copilot features are no longer available for cross-tenant guest users
Microsoft Viva
|
Plan for change |
09 Sep 2026 |
—
|
| MC1466751 |
(Updated) Microsoft Teams: Lobby visibility will align with the "Who can admit from lobby" meeting option
Microsoft Teams
|
Stay informed |
09 Sep 2026 |
—
|
| MC1146821 |
(Updated) Rewrite with Microsoft 365 Copilot Chat coming soon to Edge for Business users
Microsoft 365 Copilot Chat
|
Stay informed |
09 Sep 2026 |
—
|
| MC1459129 |
(Updated) Microsoft Viva: Viva Learning retirement of Microsoft 365 training content
3 · Medium
Microsoft Viva
|
Plan for change |
09 Sep 2026 |
—
|
| MC1459141 |
(Updated) Microsoft Teams: Admin policy to automatically block identified external meeting bots from joining meetings
Microsoft Teams
|
Stay informed |
09 Sep 2026 |
—
|
| MC1456610 |
(Updated) Microsoft 365 Copilot Chat: Updated commercial Copilot endpoint for Microsoft Edge
5 · High
Microsoft 365 suite
|
Plan for change |
09 Sep 2026 |
24 Sep 2026
|
| MC1469559 |
[Whiteboard] Legacy Whiteboard migration to OneDrive
Microsoft OneDriveMicrosoft TeamsMicrosoft 365 apps
|
Plan for change |
09 Sep 2026 |
—
|
| MC1469564 |
Microsoft Publisher: Reminder that support ends in October 2026
8 · Critical
Microsoft 365 apps
Major
|
Plan for change |
09 Sep 2026 |
01 Oct 2026
|
| MC1469557 |
[Whiteboard] Standalone app deprecation (Windows, Mobile)
5 · High
Microsoft OneDriveMicrosoft TeamsMicrosoft 365 apps
Major
|
Plan for change |
09 Sep 2026 |
—
|
| MC1469555 |
Microsoft Entra: Optimized passkey registration campaign experience
Microsoft Entra
|
Plan for change |
09 Sep 2026 |
—
|
| MC1467357 |
Microsoft Teams: Updated header and dashboard for chats and channels on mobile
Microsoft Teams
|
Stay informed |
04 Sep 2026 |
—
|
| MC1467356 |
Deprecation for Manifest V2 (MV2) browser extensions support in Microsoft Edge
5 · High
Microsoft 365 suite
Major
|
Plan for change |
04 Sep 2026 |
—
|
| MC1467355 |
Power BI subscriptions: Changes to notification delivery and sender experience
Power BI
|
Plan for change |
04 Sep 2026 |
—
|
| MC1462925 |
(Updated) OneDrive Photos on Windows: admin controls and policy support
Microsoft OneDrive
|
Stay informed |
04 Sep 2026 |
—
|
| MC1440968 |
(Updated) Microsoft Entra ID: Optimizations for passkey registration experience
Microsoft Entra
|
Stay informed |
04 Sep 2026 |
—
|
| MC1387814 |
(Updated) Microsoft Teams: RTMP-In port and domain changes required
6 · High
Microsoft Teams
|
Prevent or fix issue |
04 Sep 2026 |
01 Sep 2026
|
| MC1403410 |
Microsoft Viva: Agent flexible query in Analytics Workbench
Microsoft Viva
|
Stay informed |
04 Sep 2026 |
—
|
| MC1466864 |
Call Quality Dashboard Custom Detailed Reports
Microsoft Teams
|
Stay informed |
04 Sep 2026 |
—
|
| MC1466754 |
Microsoft Viva Engage: Reducing reply notification volume in email
Microsoft Viva
|
Stay informed |
03 Sep 2026 |
—
|
