We released November 2026 Security Updates for Exchange Server SE.

MRS migrations now support OAuth!

This blog post contains exact steps to temporarily unblock your blocked EWS applications (until April 2027).

We are announcing General Availability of the Change Optics Report in Exchange Online.

More information related to issues that some Exchange servers might experience after installation of October 2026 Windows updates.

We have released October 2026 Security Updates for Exchange Server SE. Exchange Server 2019 and 2016 ESU updates only.

We are announcing General Availability (GA) of Sending from Email Alias in Exchange Online.

We have released a V2 of September 2026 Security Updates for Exchange Server SE. Exchange Server 2019 and 2016 ESU updates only.

EWS deprecation in Exchange Online is starting today. Learn the details of what happens next.

We wanted to let you know that you should update your Exchange Online PowerShell module over the next several months.