| MC1515930 |
Cowork browser use setting renamed to Browser use in Microsoft Copilot
Microsoft 365 suite
|
Stay informed |
19 Oct 2026 |
—
|
| MC1506727 |
Microsoft Agent 365: Expanded access to Microsoft agent usage and activity insights in Microsoft 365 admin center
Microsoft 365 suite
|
Stay informed |
19 Oct 2026 |
—
|
| MC1510951 |
(Updated) Windows updates are available for 2026 time zone changes in Canada
5 · High
Exchange OnlineMicrosoft 365 suiteDynamics 365 AppsPower BI
Major
|
Prevent or fix issue |
16 Oct 2026 |
—
|
| MC1509797 |
Support for Office LTSC 2021 and additional apps ended on October 13, 2026
6 · High
Microsoft 365 suiteMicrosoft 365 appsProject for the web
high
|
Plan for change |
15 Oct 2026 |
—
|
| MC1509789 |
Microsoft Edge: Browser-native XSLT will be disabled by default
3 · Medium
Microsoft 365 suite
|
Plan for change |
15 Oct 2026 |
—
|
| MC1440972 |
(Updated) Microsoft Edge: Upgraded Copilot new tab page
Microsoft 365 suite
|
Stay informed |
13 Oct 2026 |
—
|
| MC1505610 |
Public CDN is becoming optional during Brand Center setup
Microsoft 365 suiteSharePoint Online
|
Stay informed |
12 Oct 2026 |
—
|
| MC1387526 |
Microsoft 365 Backup: Full workload backup for SharePoint, OneDrive, and Exchange
Microsoft 365 suite
|
Plan for change |
12 Oct 2026 |
—
|
| MC1492959 |
Audio Overview Updates
Microsoft 365 suiteMicrosoft 365 apps
|
Stay informed |
09 Oct 2026 |
—
|
| MC1490911 |
Microsoft Edge: Retiring legacy sign-in implementation on Windows
5 · High
Microsoft 365 suite
Major
|
Plan for change |
07 Oct 2026 |
—
|
| MC1490899 |
Microsoft 365: Targeted Release retirement
9 · Critical
Exchange OnlineMicrosoft 365 suiteSharePoint OnlineMicrosoft OneDriveMicrosoft Teams
Major
|
Plan for change |
07 Oct 2026 |
31 Oct 2026
|
| MC1454378 |
(Updated) Microsoft 365: The Next Generation of File & Folder Sharing
Microsoft 365 suiteSharePoint OnlineMicrosoft OneDriveMicrosoft 365 apps
|
Plan for change |
07 Oct 2026 |
—
|
| MC1438571 |
(Updated) Default visibility of additional profile card properties in Microsoft 365 profile cards
4 · Medium
Microsoft 365 suite
Major
|
Plan for change |
07 Oct 2026 |
—
|
| MC1489931 |
Microsoft 365 Backup: Activity Logs
Microsoft 365 suite
|
Stay informed |
06 Oct 2026 |
—
|
| MC1480873 |
(Updated) Connected Platforms - Agent 365 extends observability to third-party agents
Microsoft 365 suite
|
Plan for change |
06 Oct 2026 |
—
|
| MC1484007 |
Updated Copilot in Microsoft Edge Experience
Microsoft 365 suite
|
Stay informed |
30 Sep 2026 |
—
|
| MC1477184 |
(Updated) Microsoft 365 admin center: Agent Registry consolidates duplicate agent entries and adds version history
3 · Medium
Microsoft 365 suite
|
Prevent or fix issue |
29 Sep 2026 |
—
|
| MC1454397 |
(Updated) Updates to Tenant External Recipient Rate Limit (TERRL) Quotas for New, Trial, and Education Tenants
Microsoft 365 suite
|
Stay informed |
29 Sep 2026 |
—
|
| MC1481309 |
Microsoft Entra ID: Enhance protection of the authentication experience by blocking external script injection
5 · High
Microsoft EntraMicrosoft 365 suite
|
Plan for change |
28 Sep 2026 |
19 Oct 2026
|
| MC1187682 |
(Updated) Microsoft Edge: Microsoft 365 Copilot will support summarization and contextual grounding
Microsoft 365 suite
|
Stay informed |
25 Sep 2026 |
—
|
| MC1478969 |
Deprecation of Citrix mVPN Support in Microsoft Edge for Android
3 · Medium
Microsoft 365 suite
|
Plan for change |
24 Sep 2026 |
—
|
| MC1478957 |
Microsoft 365 profile card: View dotted-line managers in the organization panel
Microsoft 365 suite
|
Stay informed |
24 Sep 2026 |
—
|
| MC1478946 |
Microsoft 365 Apps: Cloud Update - Extended rollback support for Monthly Enterprise Channel
Microsoft 365 suiteMicrosoft 365 apps
|
Stay informed |
24 Sep 2026 |
—
|
| MC1477996 |
Retirement of Viva Insights (personal insights) and Viva Learning usage reports
3 · Medium
Microsoft 365 suite
|
Plan for change |
23 Sep 2026 |
—
|
| MC1477186 |
Microsoft Agent 365: Simplified Agent 365 CLI setup experience
4 · Medium
Microsoft 365 suite
Major
|
Plan for change |
22 Sep 2026 |
—
|
| MC1290821 |
(Updated) eSignature for Microsoft 365 - Recipient groups
Microsoft 365 suiteSharePoint Online
|
Stay informed |
21 Sep 2026 |
—
|
| MC1474455 |
In-app browsing in Copilot app
Microsoft 365 suite
|
Plan for change |
21 Sep 2026 |
—
|
| MC1474111 |
Retirement of Microsoft 365 Companion apps
5 · High
Microsoft 365 suite
Major
|
Plan for change |
18 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 |
—
|
| MC1473148 |
Microsoft 365 Usage Reporting Updates (Microsoft Browser and Visio)
Microsoft 365 suite
|
Plan for change |
16 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
|
| MC1472028 |
Outlook: Change the organizer of meetings
Exchange OnlineMicrosoft 365 suite
|
Stay informed |
14 Sep 2026 |
—
|
| MC1470426 |
Data Privacy: Microsoft Online Services Subprocessor Disclosure
Microsoft 365 suite
|
Stay informed |
11 Sep 2026 |
—
|
| MC1469962 |
Change in sender email address for Copilot emails
Microsoft 365 suiteMicrosoft 365 Copilot Chat
|
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
|
| MC1467356 |
Deprecation for Manifest V2 (MV2) browser extensions support in Microsoft Edge
5 · High
Microsoft 365 suite
Major
|
Plan for change |
04 Sep 2026 |
—
|
| MC1466299 |
Microsoft Planner: New Planner usage report in the Microsoft 365 admin center
Microsoft 365 suitePlanner
|
Stay informed |
02 Sep 2026 |
—
|
| MC1069563 |
Microsoft 365 admin center: Usage reports to manage metered consumption costs for Microsoft 365 Copilot Chat (preview)
Microsoft 365 suite
|
Stay informed |
01 Sep 2026 |
—
|
| MC1462922 |
Admin app retiring in Teams, Outlook and Microsoft365.com
5 · High
Exchange OnlineMicrosoft 365 suiteMicrosoft Teams
Major
|
Plan for change |
27 Aug 2026 |
—
|
| MC1462914 |
Microsoft Agent 365: Active Users export for agent usage reporting
Microsoft 365 suiteMicrosoft 365 Copilot Chat
|
Plan for change |
27 Aug 2026 |
—
|
| MC1461528 |
Microsoft 365 Roadmap is becoming the AI at Work Roadmap
Microsoft 365 suite
|
Stay informed |
25 Aug 2026 |
—
|
| MC1459136 |
Microsoft 365 admin center: Usage reports migrating to new domains
Microsoft 365 suite
|
Plan for change |
21 Aug 2026 |
—
|
| MC1459132 |
Microsoft Edge: Retirement of Windows Information Protection (WIP) and Microsoft Defender Application Guard (MDAG)
8 · Critical
Microsoft 365 suite
Major
|
Plan for change |
21 Aug 2026 |
24 Sep 2026
|
| MC1457229 |
Microsoft 365 Copilot: Import Executive Assistant data with People connectors
Microsoft 365 suite
|
Plan for change |
18 Aug 2026 |
—
|
| MC1456781 |
Public preview: Manage agents across multiple tenants from the Microsoft 365 admin center
Microsoft 365 suite
|
Stay informed |
17 Aug 2026 |
—
|
| MC1449170 |
Microsoft Edge: Retirement of default unload event support
8 · Critical
Microsoft 365 suite
Major
|
Plan for change |
06 Aug 2026 |
05 Sep 2026
|
| MC1447683 |
Microsoft 365 Copilot: Scheduled Prompts moves to Microsoft 365 Connected Experiences
Microsoft 365 suite
|
Plan for change |
05 Aug 2026 |
—
|
| MC1443510 |
Microsoft 365: One-time cleanup of aged pending requests in All Agents
7 · High
Microsoft 365 suite
|
Prevent or fix issue |
31 Jul 2026 |
20 Aug 2026
|
| MC1440976 |
Microsoft 365 Copilot: Retirement of role-to-skill mapping files in People Skills
5 · High
Microsoft 365 suite
Major
|
Plan for change |
27 Jul 2026 |
—
|
