Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Hi Reggie Andaya,
Thank you for the posting in our forum community. We will highly appreciated your kind cooperation into the forum community.
Based on your mentioned description, seems like your whole issue concern is about to opening encrypted email message in Microsoft 36. If yes, this issue was posted to the Service Health Dashboard (SHD) as incident EX311826, Start time: Friday, December 17, 2021,at 7:28 AM UTC. User Impact: Recipients are unable to open encrypted email messages sent via Exchange Online.
Tenant administrators can view current information and updates on SHD at the link here https://portal.office.com/AdminPortal/Home#/servicehealth
For affected customers to easily identify the information here, this thread will be closed. We will update to the primary thread once the issue is resolved or you can obtain the most recent information from SHD.
Stay safe and healthy.
Regards,
Darpan