Microsoft Exchange Online: Dynamic distribution groups will populate membership faster on creation and modification [MC1294524]

Microsoft Exchange Online: Dynamic distribution groups will populate membership faster on creation and modification [MC1294524]

Message ID: MC1294524 [Introduction]We’re updating dynamic distribution groups (DDGs) in Exchange Online so group membership is available sooner after a group is created or its filter is changed. For DDGs whose filter returns 5,000 members or fewer, membership will be…
(Updated) Team site homepages will automatically collapse inactive News web parts [MC1287368]

(Updated) Team site homepages will automatically collapse inactive News web parts [MC1287368]

Message ID: MC1287368 (Updated) Updated April 28, 2026: We have updated the timeline. Thank you for your patience. [Introduction]To help reduce visual clutter and keep SharePoint team site homepages focused on active content, we’re introducing an automatic collapse behavior for the…
Excel Desktop update required to connect to Power Platform Analytical Dataflows [MC1293484]

Excel Desktop update required to connect to Power Platform Analytical Dataflows [MC1293484]

Message ID: MC1293484 [Introduction] Action required: We are updating the Power Platform Dataflows connector in Excel Desktop to improve reliability and support future enhancements. To avoid disruption, organizations who use Power Platform Analytical Dataflows connector must update Excel Desktop to…
Exchange Online: Retirement of legacy TLS versions for POP and IMAP connections [MC1293480]

Exchange Online: Retirement of legacy TLS versions for POP and IMAP connections [MC1293480]

Message ID: MC1293480 [Introduction]We are retiring support for legacy Transport Layer Security (TLS) versions for POP3 and IMAP4 connections to Exchange Online. This change improves security and aligns with current industry standards. TLS 1.0 and TLS 1.1 are no longer…
Improved whiteboard saving behavior on Teams Rooms on Android with licensed user accounts [MC1293481]

Improved whiteboard saving behavior on Teams Rooms on Android with licensed user accounts [MC1293481]

Message ID: MC1293481 [Introduction]Whiteboards initiated from Teams Rooms on Android devices signed in with a licensed user account will now be automatically saved to that user’s OneDrive. This preventive fix improves reliability by ensuring whiteboards are saved without requiring another…
(Updated) Microsoft 365 admin center: Organizational Messages to support email delivery [MC1189665]

(Updated) Microsoft 365 admin center: Organizational Messages to support email delivery [MC1189665]

Message ID: MC1189665 (Updated) Updated April 27, 2026: We have updated the timeline. Thank you for your patience. [Introduction]Organizational Messages will soon include email as a delivery channel, expanding beyond existing surfaces such as the Windows Taskbar, Windows Notifications, Windows Spotlight,…