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Exchange Team Blog articles

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Latest posts

Last updated 8 days ago

Released: June 2026 Exchange Server Security Updates

8 days ago

Microsoft has released Security Updates (SUs) for vulnerabilities found in Exchange Server...

How to determine which Resource Mailboxes are being actively used

27 days ago

Today we wanted to take a few minutes to discuss a topic...

Replacing IIS SMTP virtual server with Exchange Edge Transport

29 days ago

Years go by and we continue to see customers still relying on...

Writeback for Cloud-Managed Remote Mailboxes: Now in Public Preview

about 1 month ago

In our previous posts, we announced the Public Preview and the General...

Addressing Exchange Server May 2026 vulnerability CVE-2026-42897

about 1 month ago

On May 14, 2026, Microsoft disclosed CVE-2026-42897, a reported vulnerability affecting Exchange...

No Exchange Server Security Updates for May 2026

about 1 month ago

We wanted to let the Exchange Server community know that there are...

Retirement of Direct Exchange ActiveSync Certificate-Based Authentication by End of 2026

about 1 month ago

We are announcing the deprecation of Exchange ActiveSync (EAS) certificate-based authentication (CBA)...

General Availability of Mailbox Import and Export Microsoft Graph APIs

about 1 month ago

As a part of our continuing march to Exchange Web Service (EWS)...

High Volume Email reaches General Availability in Exchange Online

3 months ago

As we discussed High Volume Email (HVE) several times since it was...

No Exchange Server Security Updates for April 2026

2 months ago

Although Exchange 2016 and 2019 are now out of support, some customers...

Announcing Period 2 Exchange 2016/2019 Extended Security Update (ESU) program

2 months ago

While both Exchange 2016 and 2019 are out of support since October...

Change Optics Report released into Public Preview to showcase messages impacted by future changes

about 2 months ago

Change Management is an important part of managing the improvements we make...