NOTE: NOMINATIONS FOR THIS PROGRAM ARE NOW CLOSED We would like to have Exchange Online customers (who would like to participate in a preview program) help us improve the public folder hierarch...
To ensure optimal mail flow performance for all customers and protect the health of Exchange services, Microsoft is updating the way in which we enforce our mailbox receiving limits. With the g...
UPDATE 2/12/21 The Exchange Sustained Engineering Team continued servicing all customer issues for Exchange 2016 that were opened with Microsoft by the end of Mainstream Support, which was Oct 1...
At Microsoft Ignite 2020, we announced the preview of support for Linux and Windows PowerShell Core in Exchange Online management using EXO V2 Module. Today, we are delighted to announce gener...
We realize that many customers have genuine business requirements to configure automatic email forwarding. On the other hand, email forwarding may lead to data leakage. For example, if we have a ...
UPDATED ON 2/10/2021 Microsoft periodically refreshes certificates in Office 365 as part of our effort to maintain a highly available and secure environment. From Jan 23rd, 2021, we are making ...
UPDATE: the change mentioned in this article has been rolled out to all commercial tenants. Many of you may rely on Exchange Online mobile device access rules to ensure that only approved devi...
UPDATE: For latest information related to basic authentication in Exchange Online, please see Basic Authentication and Exchange Online – February 2021 Update - Microsoft Tech Community . Tod...
We previously announced we would begin to disable Basic Auth for five Exchange Online protocols in the second half of 2021. Due to the pandemic and the effect it has on priorities and work patte...
A redirect URI, or REPLY-URL, is where an authorization server sends a user once their app has been successfully authorized and granted an authorization code or access token. We are updating the...
Administrators who want to limit the app access to a specific set of mailboxes can create an application access policy. Application access policy support for Microsoft Graph was released in 2019...
We wanted to share some best practices to prepare the on-premises public folders for migration to Exchange Online. The document will walk you through the overview of process to migrate public fol...
Today we are happy to announce an update to the Exchange Hybrid Configuration Wizard (HCW) which enables either a Full or Minimal Hybrid deployment from a single on-premises organization to more...
Continuing on our path to release the new EAC , we wanted to tell you that the Groups feature is now available. The experience is modern, improved, and fast. Administrators can now create and man...
When we need to deploy a hybrid scenario, the first thing that comes to mind is running the Hybrid Configuration Wizard. Indeed, HCW is enough to make the magic happen between Exchange Online (EX...
By now you are hopefully aware of the TLS 1.0/1.1 deprecation efforts that are underway across the industry and Microsoft 365 in particular. Head out to our documentation for more details and re...
When your public folder content migration to Exchange Online is complete or you create public folders for the very first time, you do not have to worry about managing many aspects of public folde...
Hello! As you may have seen from the Microsoft 365 roadmap item , the O365 migration team has been working on improvements to the way we detect inconsistencies or data loss during migrations or...
UPDATE - SEPTEMBER 22, 2020: UPDATED WITH THE NEW METHOD FOR CREATING WORKSPACES. Imagine you could book an office to work anywhere in the world. Now imagine this could be done in Outlook. Well...
https://techcommunity.microsoft.com/t5/exchange-team-blog/book-a-workspace-in-outlook/ba-p/1524560
Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019. These updates include fixes for customer reported issues as well as all prev...
Over the last several months, we have seen many customers adopting Microsoft Teams, even if their mailboxes are still hosted in an on-premises environment. One of the common issues in this scenar...
This blog post is a part of a 5 post series consisting of: Exchange Hybrid Migrations: More Than Just a Pretty Face (Part 1) Digging Into Hybrid Migration Move Report Data (Part 2) Troubleshoot...
This blog was published today on the Microsoft 365 Developer Blog, but given its relevance and importance to our readers we wanted to publish it here too. Microsoft Graph is the modern API for...
Virtual desktop infrastructure (VDI) is defined as the hosting of desktop environments on a central server. It is a form of desktop virtualization, as the specific desktop images run within virtu...
You may have already seen this message from the Azure team, but given this impacts customers who use the Exchange Hybrid Agent, we just wanted to make sure those following this blog also were awa...
Here is your next installment in the troubleshooting hybrid migrations blog series! See: Exchange Hybrid Migrations: More Than Just a Pretty Face (Part 1) Digging Into Hybrid Migration Move Repo...
This blog post is a part of a 5 post series consisting of: Exchange Hybrid Migrations: More Than Just a Pretty Face (Part 1) Digging Into Hybrid Migration Move Report Data (Part 2 - you are here...
This blog post is a part of a 5 post series consisting of: Exchange Hybrid Migrations: More Than Just a Pretty Face (Part 1 - you are here) Digging Into Hybrid Migration Move Report Data (Part 2)...
Here is your next installment in the troubleshooting hybrid migrations blog series! See: Exchange Hybrid Migrations: More Than Just a Pretty Face (Part 1) Digging Into Hybrid Migration Move Repo...
As announced at Microsoft Ignite 2020 , support for plus addressing is now available in Exchange Online. Thanks to our UserVoice site , this feature was identified as the number 1 request for Exc...
Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019. These updates include fixes for customer reported issues as well as all prev...
Since December last year, we've been making a lot of investment into the Microsoft Remote Connectivity Analyzer site. If you've used the website in the past couple of months, you probably saw th...
THE CONTENT OF THIS POST HAS BEEN MOVED TO MICROSOFT DOCS .
During my day to day work as a part of support organization, I work with and help troubleshoot Hybrid Configuration Wizard (HCW) failures. One of the more common causes of HCW failures is the Fed...
Today we are announcing that the next versions of Exchange Server, SharePoint Server, Skype for Business Server and Project Server will be available in the second half of 2021, and are only avail...
At Microsoft Ignite 2020 the Exchange Online Transport team is announcing a variety of updates across the areas of Security, Management and Optics, and End User Experiences. These updates are dis...
Today we are announcing several new features and capabilities to help Exchange admins become more efficient and achieve more in their everyday Exchange-related tasks. MODERN EXCHANGE ADMIN CENT...
Email and time management seems pretty simple, doesn’t it? You undoubtedly send and receive lots of emails every day, and you probably don’t think too much about what’s really go...
When Microsoft Ignite 2020 become a digital event we took it as an opportunity to think about the sessions and subjects people always ask us about, but which we rarely have the space for given th...
In about a week from today Microsoft Ignite 2020 gets underway. It’s quite a bit different this year but the one thing you can be certain of is we have lots of new and interesting content for ...
When a reply all mail storm happens in your organization, it can disrupt business continuity and in some cases even throttle the rest of your organization’s email for a period of time. At Micro...
As many of you know from the previous post regarding Exchange On-Premises Best Practices for Migrations from 2010 to 2016 the end of support for Exchange 2010 is quickly approaching. We’ve cre...
In 1997 Exchange introduced the Recipient Limits setting on user mailboxes. This limits the total number of recipients to which a user can send a single message (the total number of recipients ad...
Controlling the number of recipients per message that your users can send to is one of several measures email admins can use to help curtail the risk of email abuse and spamming from compromised ...
Most of you are probably familiar with Classic Hybrid Deployments that are automatically configured through classic option in the Hybrid Configuration Wizard (HCW). In this blog post we will fo...
Today, we are happy to announce the Public Preview of a Modern Auth unattended scripting option for use with Exchange Online PowerShell V2 . This feature provides customers the ability to run non...
Outlook for Android supports Android and Tizen wearable technology. When the Outlook app is installed on the wearable, the user can receive message notifications and event reminders, interact wit...
Update 7/28/2020: additional information can also be found in our Basic Authentication and Exchange Online – July Update . Last year we announced changes to make Exchange Online more secure,...
At the end of August, Outlook for Android will roll out support for the new device password complexity functionality included within Android 10 and later. With each operating system version rel...
Today, we are excited to announce that RecoverableItems, a tenant admin PowerShell cmdlet, has shipped to the preview version of Exchange Admin Center with a new UI! RecoverableItems has prov...
You might (or might not) be aware that the TechNet Gallery site is going to be retired soon (currently planned for June 2020 ). Over the years, we (on this blog) have published many different ...
Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019. These updates include fixes for customer reported issues as well as all prev...
Today, we're posting about an upcoming change that might impact customers who use the Intune Exchange On-Premises Connector. INTUNE DEPRECATING THE EXCHANGE ON-PREMISES CONNECTOR Intune is depre...
At Microsoft Ignite 2019, we announced new Exchange Online management cmdlets and showed how they can be used to perform fast and highly reliable data retrieval operations. Today we’re delig...
For more updates on this module, please see Announcing General Availability of the Exchange Online PowerShell v2 Cmdlets . At Microsoft Ignite 2019, we announced new Exchange Online management...
Just a couple of weeks or so after our announcement of OAuth support for IMAP and SMTP Auth in Exchange Online , today we’re happy to be able to confirm OAuth support for POP is also now availa...
UPDATE: For latest on this subject, please see Basic Authentication and Exchange Online – April 2020 Update . It’s been a few months since we announced changes we will be making to E...
UPDATE: For latest on this subject, please see Basic Authentication and Exchange Online – April 2020 Update . For many years, client apps have used Basic Authentication to connect ...
https://techcommunity.microsoft.com/t5/exchange-team-blog/improving-security-together/ba-p/805892
Did you hear of room lists? What is a room list? A room list is a collection of room mailboxes. Room lists are specially marked distribution groups that you can also use the same way you use ...
In this blog post we will cover a very common scenario faced by customers who have moved all of their mailboxes from on-premises to the cloud. How do you create mailboxes directly in the cloud? T...
Ever since we announced our intention to disable Basic Authentication in Exchange Online we said that we would add Modern Auth (OAuth 2.0) support for the IMAP, POP and SMTP AUTH protocols. To...
Now that we have re-written the backend for FindTime to get into the Office 365 compliance boundary , here are 5 useful tips to help you manage it in your organization. YOU CAN DEPLOY FINDTIME ...
As many of you know from the previous blog post, Exchange 2010 End of Support Is Coming and the soon-to-be-a-classic sequel post Microsoft Extending End of Support for Exchange Server 2010 ...
The SMTP AUTH protocol is used to submit millions of emails every day. The majority of the clients connecting to Exchange Online like this are devices such as multi-function printers or some piec...
Microsoft is committed to providing world-class email security solutions and the support for the latest Internet standards in order to provide advanced email protection for our customers....
In our previous blog post we covered an overview of what migration endpoints are, how to find them and what makes them tick. In this post, we will cover related troubleshooting. Note that this p...
(Post updated on 3/26/2020 to add more information about installation process) We wanted to let you know that we are releasing what we consider a significant update to Exchange Hybrid Configura...
Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019. These updates include fixes for customer reported issues as well as all prev...
For users who schedule meetings with people outside of your organization (sales, HR, supply chain, etc), it could take up to an hour of emailing back and forth to settle on a time of meetings (re...
As many of you might know, we move mailboxes between different databases in the cloud to balance the load. This is done daily through local move requests automatically triggered by our Mailbox Lo...
Update on March 6th 2020: We will also be blocking .apk and .appx beginning April 2020. We will soon be adding several additional file extensions to the BlockedFileTypes property of existi...
Today we are releasing a Forrester Total Economic Impact™ study of Microsoft Outlook for iOS and Android. Forrester interviewed four large enterprise customers and surveyed over 100 users to d...
To make sure that your Exchange organization is better protected against the latest threats (for example Emotet, TrickBot or WannaCry to name a few) we recommend disabling SMBv1 if it’s enabled...
https://techcommunity.microsoft.com/t5/exchange-team-blog/exchange-server-and-smbv1/ba-p/1165615
Writing code for calendaring features is hard. Some of you might say writing any kind of code is hard, and you might have a point, but calendaring is particularly tricky. Why’s that? Well, cons...
Post updated: 31st January 2020 The Stable release of the Google Chrome web browser (build 80, scheduled for release beginning February 17, 2020) features a change in how cookies are handled. A...
https://techcommunity.microsoft.com/t5/exchange-team-blog/exchange-and-samesite-updates/ba-p/1127984
Introduction Over time, we have seen multiple support tickets where the transport database “mail.que” file grows unexpectedly, which in turn causes various mail flow related issues. In this...
A new mandatory parameter, SourcePfPrimaryMailboxGuid, is being added to the New-MigrationBatch command for public folder migrations from Exchange 2013 (or later) on-premises to Exchange Online. ...
Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019. These updates include fixes for customer reported issues as well as all prev...
With the number of emails delivered daily worldwide forecast to grow 18% by 2023, the criticality of email for businesses remains as strong as ever! And the Microsoft Exchange Online Transport te...
During Microsoft Ignite 2019, we had a bunch of Microsoft employees and Exchange MVPs in the Exchange and Outlook booths on the show floor. We send them there to answer our customer’s questions...
One of more popular on-premises blog posts on our blog is a post called Exchange Active Directory Deployment Site . It deals with methodology for installation of new Exchange servers into live p...
INTRODUCTION The thing that prompted publishing of this blog post is a recent on-premises customer support case. We figured it is a good case study to help illustrate the OAB (Offline Address Bo...
Back in 2015 I developed a PowerShell script Start-RobustCloudCommand.ps1 to help Exchange Admins that were moving to Exchange Online and were used to running commands against large numbers of u...
As part of continued improvements to the Exchange Online service we are releasing an improvement to the User object management experience. Today, when you create or modify user’s properties v...
Today at Microsoft Ignite in Orlando we announced several changes that we hope will help Exchange Online Administrators get their admin tasks completed more efficiently and effectively. We’re b...
Just one week from today Microsoft Ignite 2019 will be underway. That first morning Satya will be getting ready for his keynote , speakers will be worrying about their slides, attendees will alre...
In this blog post we will discuss hybrid migration endpoints in both Classic and Modern hybrid topologies, explain what migration endpoints are and how you can find them. In Part 2 of this post (...
The key for a successful migration (of any type) is to ensure that source data is in a healthy condition. Public folder migrations are no different, especially if you have been using public folde...
After investigating and analyzing the deployment state of an extensive number of Exchange customers we have decided to move the end of Extended Support for Exchange Server 2010 from January 14th ...
Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2016 and 2019. These updates include fixes for customer reported issues as well as all prev...
Exchange message transport & routing has at times been a bit challenging to understand. Whether it was the X400 based Mail Transport Agent (MTA), Open Shortest Path First (OSPF) based routing in ...
https://techcommunity.microsoft.com/t5/exchange-team-blog/office-365-message-attribution/ba-p/749143
In support, we hear from people in this “duplicate mailbox” situation relatively often. When this happens, our customers ask us for the best way to recover. In my experience, there are typica...
How often have you or your users tried to find rooms that are free for your meeting time, your recurring series, that have the capacity and resources you need, and are close to you? Probably enou...
About a year ago, we announced Conditional Access for Outlook on the web. This provided administrators a way to ensure they are protecting their corporate data from leaking onto shared and person...
We’re delighted to announce that Microsoft Hybrid Agent has reached General Availability! We first talked about this agent nearly two years ago at Ignite and we’re very happy to have reached ...
https://techcommunity.microsoft.com/t5/exchange-team-blog/the-hybrid-agent-is-now-ga/ba-p/727014
We are happy to announce our work to allow you to disable legacy authentication is available to you with the second cumulative update (CU2) for Exchange 2019. This provides an important step down...
Today we are announcing the availability of quarterly servicing cumulative updates for Exchange Server 2013, 2016 and 2019. These updates include fixes for customer reported issues as well as a...
When an Exchange Administrator creates additional Virtual Directories for Outlook on the Web or Exchange Control Panel , we have found that a few Managed Availability probes fail on Exchange Serv...
I'd like to introduce Office365APIEditor for developers who create applications to work with Exchange Online or Office 365. Office365APIEditor is a sample tool that sends requests to various Off...
https://techcommunity.microsoft.com/t5/exchange-team-blog/introducing-office365apieditor/ba-p/665236
Today we’re excited to announce the release of the Application Access Policy feature for Exchange Online PowerShell. This feature allows Exchange Online administrators to scope application perm...