(Updated) Outlook: Delimiter setting admin policy [MC1239176]

(Updated) Outlook: Delimiter setting admin policy [MC1239176]

Message ID: MC1239176 (Updated) Updated May 5, 2026: We have updated the timeline. Thank you for your patience. [Introduction]We’re adding a new Exchange Online admin policy that gives admins more control over the default Mail Compose and Reply setting that determines…
Change Optics report for Exchange Online begins public preview [MC1301802]

Change Optics report for Exchange Online begins public preview [MC1301802]

Message ID: MC1301802 [Introduction]We’re announcing the public preview of the Change Optics report for Exchange Online, which is now available for all customers. This report helps Exchange administrators proactively identify email traffic that may be affected by upcoming service changes,…
(Updated) Outlook: Share Word, Excel and PowerPoint local files via the new Outlook for Windows [MC1245222]

(Updated) Outlook: Share Word, Excel and PowerPoint local files via the new Outlook for Windows [MC1245222]

Message ID: MC1245222 (Updated) Updated May 4, 2026: We have updated the timeline. Thank you for your patience. [Introduction]We’re adding support for sending locally stored Word, Excel, and PowerPoint files as email attachments directly through the new Outlook for Windows. This…
Microsoft Entra: App Instance Lock enabled by default for new applications [MC1300584]

Microsoft Entra: App Instance Lock enabled by default for new applications [MC1300584]

Message ID: MC1300584 [Introduction]To improve application security, Microsoft Entra ID will enable App Instance Lock by default for newly created applications. This change prevents sensitive application properties from being modified outside the application’s home tenant, reducing the risk of unauthorized…
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 (Updated) Updated April 29, 2026: We have updated the content. Thank you for your patience. [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…