Loading Microsoft 365 Message Center...

JavaScript Required

This application requires JavaScript to be enabled. Please enable JavaScript in your browser settings and reload the page.

More Information

Updated June 17, 2025: We have updated the timeline below. Thank you for your patience.

New Microsoft Outlook for Windows desktop will soon support an admin setting to define the application of S/MIME signatures in "reply to" scenarios. This setting enables admins to define if an S/MIME signature will be inherited by default in Reply and Reply all scenarios.

Expert Analysis & Resources

Deep-dive articles and expert insights about Microsoft 365 updates by Cengiz YILMAZ (Microsoft MVP)

MSExchange Server 4999 Error Aug 21, 2022

Exchange Server WhiteSpace Nedir? Jun 21, 2022

Restore Deleted AAD User from Azure Active Directory Apr 5, 2023

Hyper-V Export-Import İşlemi Mar 16, 2022

Visit cengizyilmaz.net for more Microsoft 365 insights