Change Optics Report released into Public Preview to showcase messages impacted by future changes | Microsoft Community Hub We wanted to tell you about a new Change Optics Report that is now in Public Preview.  

Change Optics Report released into Public Preview to showcase messages impacted by future changes | Microsoft Community Hub! 🦋
techcommunity.microsoft.com/blog/exchang...

Announcing Period 2 Exchange 2016/2019 Extended Security Update (ESU) program | Microsoft Community Hub We created a Period 2 ESU for Exchange customers who need extra time to migrate to Exchange SE.  

Microsoft announced another 6-month ESU program for Exchange Server 2016/2019 (aka Period 2).

You should have moved off your legacy servers by now, but if you are still running Exchange 2016/2019, you might want to think about getting Period 2 ESU.

techcommunity.microsoft.com/blog/exchang...

No Exchange Server Security Updates for April 2026 | Microsoft Community Hub We are not releasing any Exchange Server Security Updates for April 2026.  

No Exchange Server Security Updates for April 2026 | Microsoft Community Hub! 🦋
techcommunity.microsoft.com/blog/Exchang...

Upcoming Breaking Changes to Modifying Sensitive Email Properties via Graph API | Microsoft Community Hub We are announcing upcoming changes to what message properties can be changed using Graph API.  

Starting December 31, 2026, Microsoft is implementing a significant update affecting applications that modify sensitive properties on non-draft email messages.

Details at techcommunity.microsoft.com/blog/exchang....

#MSExchange #Graph

Celebrating 30 Years of Microsoft Exchange!

For an in-depth look, see also:

Part I - linkedin.com/pulse/celebr...

Part II - linkedin.com/pulse/celebr...

Part III - linkedin.com/pulse/celebr...

#MSExchange #30Years

Give Us Feedbaxck on Faster, Simpler Data Purging for Exchange Online | Microsoft Community Hub Microsot Purview team is looking for feedback on Priority Cleanup improvements.  

Microsoft is looking for feedback for the next version of Priority Cleanup (v2).

techcommunity.microsoft.com/blog/exchang...

#MSExchange #Purview #PriorityCleanup

Announcing SMTP DANE & MTA STS Connector Modes in Exchange Online | Microsoft Community Hub We wanted to announce SMTP DANE & MTA STS Connector Modes in Exchange Online.  

SMTP DANE & MTA STS Connector Modes allow explicit control over how strictly Exchange Online enforces modern mail flow security standards when sending email over outbound connectors
techcommunity.microsoft.com/blog/exchang...

#MSExchange #SMTPDANE #MTASTS

No Exchange Server Security Updates for March 2026 | Microsoft Community Hub We are not releasing any Exchange Server Security Updates for March 2026.  

PSA: No Exchange Server Security Updates for March 2026 - techcommunity.microsoft.com/blog/Exchang...

#MSExchange

Exchange Server SE Licensing, Part III Since posting my previous articles about licensing and product keys in Exchange Server SE, Exchange Server SE Licensing and Product Keys and Exchange Server SE Licensing, Part II, I’ve received even m...

Exchange Server SE Licensing, Part III

www.linkedin.com/pulse/exchan...

Part III covers purchasing options, buying from CSPs, and obtaining Extended Use Rights.

#MSExchange #Licensing

Notes From the Field: Finding and Remediating EWS App Usage Before Retirement | Microsoft Community Hub We wanted to share some tips on how to find out details of EWS usage in your tenant.  

Notes From the Field: Finding and Remediating EWS App Usage Before Retirement

techcommunity.microsoft.com/blog/exchang...

#MSExchange #EWS #AppUsage

Multi-Geo In-Region Routing General Availability | Microsoft Community Hub We’re excited to share that Multi-Geo In-Region Routing reached General Availability in December 2025.  

Do you use Multi-Geo Capabilities in Microsoft 365? In-Region Routing reached GA in December 2025. You can now control the geographic location where inbound email enters Exchange Online for anonymous inbound mail and hybrid inbound mail from on-premises.

techcommunity.microsoft.com/blog/exchang...

Deprecation of the -Credential Parameter in Exchange Online PowerShell | Microsoft Community Hub Exchange Online PowerShell -Credential parameter will be deprecated soon.  

Support for the -Credential parameter will be removed from new Exchange Online PowerShell versions released after June 2026.

#MSExchange #ExchangeOnline #Security

techcommunity.microsoft.com/blog/exchang...

Released: February 2026 Exchange Server Security Updates | Microsoft Community Hub We have released Security Updates for Exchange Server SE. Exchange Server 2019 and 2016 ESU updates only.  

Released: February 2026 Exchange Server Security Updates
techcommunity.microsoft.com/blog/exchang...

#MSExchange #Security

Exchange Online EWS, Your Time is Almost Up | Microsoft Community Hub We wanted to provide an update on Exchange Online EWS deprecation.  

Exchange Web Services (EWS) is approaching end of service in Exchange Online and will be disabled starting in October 2026, with a complete shutdown in mid-2027. This is Exchange Online only--no changes to EWS in Exchange Server.

#EWS #ExchangeOnline

techcommunity.microsoft.com/blog/exchang...

The Public Preview of the User Configuration API in the Graph beta endpoint is now available. The User Configuration API is a new set of endpoints you can use to create, read, update, and delete user configuration objects in Exchange Online mail folders.

devblogs.microsoft.com/microsoft365...

Trust DigiCert Global Root G2 Certificate Authority to Avoid Exchange Online Email Disruption | Microsoft Community Hub We wanted to let you know of an upcoming change in certificates trusted by Exchange Online.  

PSA: To avoid mail flow disruption between your organization and Exchange Online, organizations must ensure that their servers and clients trust the DigiCert Global Root G2 Certificate Authority and its subordinate CAs before April 30, 2026.

techcommunity.microsoft.com/blog/exchang...

#MSExchange

Control if your Windows BitLocker recovery key is saved online or not Over the last few days there have been a bunch of posts related to a report that Microsoft has worked with FBI to allow decryption of the hard drive in a particular investigation. Let’s unpack what is...

Control whether your Windows BitLocker recovery key is saved online - linkedin.com/pulse/contro...

#BitLocker #Microsoft #privacy

Exchange Online Public Folder Data and Retention Questions | Microsoft Community Hub We wanted to answer some Exchange Online public folder data and retention questions.  

Great information about Public Folder data and retention in Exchange Online.

#MSExchange #ExchangeOnline #PublicFolders #Retention

techcommunity.microsoft.com/blog/exchang...

Message Trace Support Using Graph API is now in Public Preview | Microsoft Community Hub We are happy to announce that the Message Trace support using Graph API is now in Public Preview.  

Message Trace support using Graph API is now in Public Preview and GA will begin rolling out soon. If you currently use Message Trace using the Reporting Webservice, migrate to the Graph API before April 6, 2026.

techcommunity.microsoft.com/blog/exchang...

#MSExchange #MessageTrace #GraphAPI

Demystifying Exchange Online Mailbox Quotas | Microsoft Community Hub We wanted to do a deeper dive into various types of mailbox quotas in Exchange Online.  

Deep dive into Exchange Online Mailbox Quotas

#ExchangeOnline #Quotas

techcommunity.microsoft.com/blog/exchang...

No Exchange Server Security Updates for January 2026 | Microsoft Community Hub We are not releasing any Exchange Server Security Updates for January 2026.  

FYI, no SUs or other security releases for Exchange Server SE (or 2016/2019 customers in the ESU program) this month.

#MSExchange #Security

techcommunity.microsoft.com/blog/Exchang...

Local Move Requests in Exchange Online – Why They’re Not Supported | Microsoft Community Hub We wanted to explain why using Local Move Requests in Exchange Online is not a good idea as a general practice.  

PSA: Microsoft does not support local move requests in Exchange Online. This article explains why that is.

#MSExchange #MailboxMoves

techcommunity.microsoft.com/blog/exchang...

Exchange Online canceling the Mailbox External Recipient Rate Limit | Microsoft Community Hub The Mailbox External Recipient Rate Limit in Exchange Online is being canceled.  

FYI, Microsoft is indefinitely cancelling the Exchange Online Mailbox External Recipient Rate Limit - techcommunity.microsoft.com/blog/exchang...

#MSExchange #ERR #Announcement

Top 3 Myths about Exchange Server Subscription Edition Over the last few months, several myths about Exchange Server Subscription Edition (SE) have been circulating online. From what I have seen, the top 3 myths are: Exchange Server SE includes new featur...

Busting the Top 3 Myths about Exchange Server Subscription Edition www.linkedin.com/pulse/top-3-...

#MSExchange #ExchangeSE #Myths

You can raise a support case with Azure and request an unblock of port 25. Whether they will grant it depends on your subscription age and trust level. In lieu of that, you could also use Azure Communication Services and/or High Volume Email in Exchange Online.

Exchange Server SE Licensing, Part II Since posting my previous article about licensing and product keys in Exchange Server SE, I’ve received a ton of follow-up questions. Many of them were public, and I answered them publicly.

Since posting my previous article about licensing and product keys in Exchange Server SE, I’ve received a ton of follow-up questions. So, here's Part II.

www.linkedin.com/pulse/exchan...

#MSExchange #Licensing

Exchange Online ActiveSync Device Support Update | Microsoft Community Hub We want to inform our users and organizations about an important upcoming change regarding Exchange ActiveSync (EAS) device connectivity to Exchange...

Starting March 1, 2026, devices running ActiveSync versions lower than 16.1 will no longer be able to connect to Microsoft services. This applies only to Exchange Online and only to mobile devices using native email apps.

#MSExchange #EAS #ActiveSync

techcommunity.microsoft.com/blog/exchang...

Using ExcludeFromAllHolds to Remove Holds from Inactive Mailboxes | Microsoft Community Hub We are happy to announce new parameters to help manage holds on inactive mailboxes in Exchange Online.  

Learn how to use ExcludeFromAllHolds in Exchange Online to remove holds and allow for permanent deletion while maintaining compliance requirements.

techcommunity.microsoft.com/blog/exchang...

#ExchangeOnline #Hold #Compliance

FYI, security updates were also released for Office Online Server yesterday. See support.microsoft.com/en-us/topic/... for details and download link.

#OfficeOnlineServer #WAC #Security

Released: December 2025 Exchange Server Security Updates | Microsoft Community Hub We have released Security Updates for Exchange Server SE. Exchange Server 2019 and 2016 ESU updates only.  

The December 2025 SU is now available for Exchange Server SE. This SU is also available for Exchange Server 2019 and Exchange Server 2016 customers in the Exchange Server ESU program.

techcommunity.microsoft.com/blog/Exchang...

#MSExchange #Security