(Updated) Outlook: Support for storing S/MIME certificates in contacts in new Outlook [MC1302908]
Posted inExchange Online Microsoft 365 apps

(Updated) Outlook: Support for storing S/MIME certificates in contacts in new Outlook [MC1302908]

Message ID: MC1302908 (Updated) Updated May 21, 2026: We have updated the timeline. Thank you for your patience. [Introduction] The new Outlook for Windows now allows users to store S/MIME encryption certificates directly within Contacts. This capability enables users to save…
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(Updated) High Volume Email for Microsoft 365 now generally available [MC1243552]
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(Updated) High Volume Email for Microsoft 365 now generally available [MC1243552]

Message ID: MC1243552 (Updated) Updated May 20, 2026: We’re reminding you that billing for High Volume Email will begin soon. To avoid service disruption, ensure your billing configuration is set up before billing starts. We have updated the content below.…
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(Updated) High Volume Email for Microsoft 365 now generally available [MC1243552]
Posted inExchange Online

(Updated) High Volume Email for Microsoft 365 now generally available [MC1243552]

Message ID: MC1243552 (Updated) Updated May 20, 2026: We’re reminding you that billing for High Volume Email will begin soon. To avoid service disruption, ensure your billing configuration is set up before billing starts. We have updated the content below.…
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Outlook on the web: New setting to use data classification services for DLP evaluation [MC1315220]
Posted inExchange Online

Outlook on the web: New setting to use data classification services for DLP evaluation [MC1315220]

Message ID: MC1315220 Introduction We are introducing a new organization-level setting that allows admins to migrate Outlook on the web (OWA) from Exchange-based Data Loss Prevention (DLP) policy evaluation to Data Classification Services (DCS)-based DLP policy evaluation. This change brings OWA…
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