| MC1420903 |
(Updated) Exchange Online will prevent creation of duplicate Dynamic Distribution Groups
Exchange Online
|
Stay informed |
07 Aug 2026 |
—
|
| MC1269211 |
(Updated) Clearer RSVP selection in Outlook Mobile
Exchange Online
|
Stay informed |
04 Aug 2026 |
—
|
| MC1430531 |
Microsoft Outlook: Meeting Insight is retiring
4 · Medium
Exchange Online
Major
|
Plan for change |
17 Jul 2026 |
—
|
| MC1248393 |
(Updated) Outlook Mobile: Follow a meeting option
Exchange Online
|
Stay informed |
16 Jul 2026 |
—
|
| MC1248389 |
(Updated) Retirement of -Credential parameter when connecting to Exchange Online PowerShell
5 · High
Exchange Online
Major
|
Plan for change |
15 Jul 2026 |
—
|
| MC1423116 |
Microsoft Outlook for iOS and Android: Clearer Copilot availability in multi-account experiences
Exchange Online
|
Stay informed |
13 Jul 2026 |
—
|
| MC1423106 |
Introducing cross-tenant message recall in Exchange Online
4 · Medium
Exchange Online
Major
|
Plan for change |
10 Jul 2026 |
—
|
| MC1421966 |
Set and edit your work location from your Outlook Mobile calendar
Exchange OnlineMicrosoft 365 apps
|
Stay informed |
09 Jul 2026 |
—
|
| MC1293480 |
(Updated) Exchange Online: Retirement of legacy TLS versions for POP and IMAP connections
8 · Critical
Exchange Online
Major
|
Plan for change |
07 Jul 2026 |
31 Jul 2026
|
| MC1227623 |
(Updated) Change meeting organizer via PowerShell cmdlet in Exchange Online
Exchange Online
|
Stay informed |
06 Jul 2026 |
—
|
| MC1304290 |
(Updated) 2026 Microsoft 365 Packaging Update
4 · Medium
Exchange Online
Major
|
Plan for change |
22 Jun 2026 |
—
|
| MC1393802 |
Outlook for iOS and Android: Send Availability feature to be retired
4 · Medium
Exchange Online
Major
|
Plan for change |
16 Jun 2026 |
—
|
| MC1385580 |
Grouped notifications in Outlook
Exchange OnlineMicrosoft 365 apps
|
Stay informed |
09 Jun 2026 |
—
|
| MC1384419 |
Improved PDF preview in Outlook for iOS
3 · Medium
Exchange Online
Major
|
Plan for change |
08 Jun 2026 |
—
|
| MC1323250 |
[Action Required] Update scripts using Get-MailDetailTransportRuleReport and Get-MailTrafficPolicyReport
7 · High
Exchange Online
Major
|
Plan for change |
27 May 2026 |
30 Jul 2026
|
| MC1323263 |
Microsoft Defender for Office 365: ZAP expands cleanup to Deleted Items
Exchange Online
|
Stay informed |
26 May 2026 |
—
|
| MC1301802 |
Change Optics report for Exchange Online begins public preview
Exchange Online
|
Stay informed |
05 May 2026 |
—
|
| MC1272554 |
Top domain mail flow report in Exchange Online is retiring
8 · Critical
Exchange Online
Major
|
Plan for change |
06 Apr 2026 |
05 Jul 2026
|
| MC1227454 |
Exchange Web Services (EWS) retirement update
5 · High
Exchange Online
Major
|
Plan for change |
05 Feb 2026 |
—
|
| MC676299 |
(Updated) Retirement of Exchange Web Services in Exchange Online
5 · High
Exchange Online
Major
|
Plan for change |
18 Apr 2025 |
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|
