MC1072404 — New Microsoft Outlook and Outlook for the web: Admin setting for inheriting a S/MIME signature on reply

New Microsoft Outlook for Windows desktop will support an admin setting to define S/MIME signature inheritance in replies, rolling out from late July to late August 2025. The setting, NoSignOnReply, can be configured to inherit or not inherit S/MIME signatures. This change does not apply to Outlook for Web. No admin action is required before rollout.