(Updated) Exchange Online to introduce External Recipient Rate Limit [MC787382]

(Updated) Exchange Online to introduce External Recipient Rate Limit [MC787382]

Message ID: MC787382 (Updated) Updated January 6, 2026: To ensure the best customer experience we have decided not to proceed with the rollout of this limit. Please see https://techcommunity.microsoft.com/blog/exchange/exchange-online-canceling-the-mailbox-external-recipient-rate-limit/4483498 for more information. We apologize for any inconvenience this may have…
Microsoft SharePoint: Retirement of IDCRL authentication protocol and enforcement of OpenID Connect and OAuth protocols [MC1184649]

Microsoft SharePoint: Retirement of IDCRL authentication protocol and enforcement of OpenID Connect and OAuth protocols [MC1184649]

Message ID: MC1184649 (Updated) Updated January 6, 2026: We are updating this post as a reminder. Thank you for your patience. [Introduction:] As part of the Microsoft Secure Future Initiative (SFI) and in alignment with the “Secure by Default” principle, we’re…
(Updated) Microsoft Outlook Mobile: Filter out declined meetings for a cleaner calendar view [MC1187790]

(Updated) Microsoft Outlook Mobile: Filter out declined meetings for a cleaner calendar view [MC1187790]

Message ID: MC1187790 (Updated) Updated January 6, 2026: We have updated the timeline. Thank you for your patience. [Introduction:] To help users declutter their calendars, Outlook Mobile now supports hiding declined meetings. This aligns with existing functionality in New Outlook and…
(Updated) New features coming to Copilot Notebooks for Frontier users [MC1187387]

(Updated) New features coming to Copilot Notebooks for Frontier users [MC1187387]

Message ID: MC1187387 (Updated) Updated January 6, 2026: We have updated the timeline. Thank you for your patience. [Introduction] We’re introducing new features to the Copilot Notebooks module in the following apps: M365 Copilot App for Desktop (Windows and macOS) M365…