Configure Exchange Server SE to move your Hybrid rich coexistence scenarios to Graph API calls.

We have released a Hotfix Update for Exchange Server SE.

Exchange Online is deprecating old legacy TLS 1.0/1.1 endpoints for POP and IMAP clients.

We wanted to provide a few updates related to modernizing DNS Security in Exchange Online.

We wanted to tell you about a new Change Optics Report that is now in Public Preview.

We created a Period 2 ESU for Exchange customers who need extra time to migrate to Exchange SE.

We are not releasing any Exchange Server Security Updates for April 2026.

High Volume Email reached GA!

We are announcing upcoming changes to what message properties can be changed using Graph API.

Exchange Server is 30 years old!