Outlook: S/MIME sensitivity label support natively on Outlook for Windows

Microsoft has announced that Outlook for Windows will soon support S/MIME (Secure/Multipurpose Internet Mail Extensions) sign and encryption as sensitivity label outcome. This feature will enable admins to define the label to have S/MIME sign, encryption, or both, and emails with those labels will enforce S/MIME accordingly. The rollout is expected to be completed by early January 2023 and will affect users of Outlook for Win32 built-in labeling with S/MIME labels enabled. These users will be able to see S/MIME labels in their Sensitivity dropdown menu and apply them to enforce S/MIME sign or encryption, or both. To use this feature, users can refer to the Microsoft documentation on how to set up labels to apply S/MIME protection in Outlook. If the user is not using S/MIME on emails, this feature will not impact them.

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