Exchange

Outlook – Join meeting button may disappear if the meeting link is not using HTTPS

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For quite some time, Outlook clients have been showing a Join button to join a meeting, especially when using Teams for the meeting but also for other meeting providers, such as Zoom. While most of meeting providers integrating with Outlook should have been using HTTPS connection, there may still be some still not using HTTPS

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Exchange / AD – Heads up Exchange and Active Directory administrators, AD extension issue

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Well, even if it has been generally available for months, seems Windows Server 2025 is in fact still not yet ready for production use. After multiple core services issues, from DHCP services to authentication with Windows Hello, we now have a new issue which is impacting another system, in this case Exchange server on-premises. As

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Exchange Online – Cloud managed remote mailboxes

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When the move to the cloud, customers had on-premises footprint with especially messaging systems – such as Exchange Server, which leaded to implement Exchange hybrid configuration with directory synchronization. Years later, there is still need to maintain a low level Exchange on-premises footprint to manage remote mailboxes. Even if Microsoft has made so progress by

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Exchange – Transition to dedicated Exchange Hybrid application

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You may have missed the announcement earlier in April (Released: April 2025 Exchange Server Hotfix Updates | Microsoft Community Hub) but Exchange Hybrid configuration is transitioning to a dedicated Exchange Hybrid app in Entra instead of using Exchange Web Services (EWS). It is important to start transitioning now as starting August 19th 2025, Microsoft is

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Exchange Online – Exchange Web Services (ESW) usage report

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As you are probably aware, Microsoft has announced the blocking of Exchange Web Services (EWS) on Exchange Online (see Retirement of Exchange Web Services in Exchange Online | Microsoft Community Hub) in October 2026. While many organization still rely on EWS for some activities, it is quite difficult to identify the use of EWS across

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Exchange – Cloud archive mailbox access will be removed from OWA on-premises mailboxes

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This is change will only impact customers in Exchange hybrid configuration and using cloud archive feature. Starting May 12, 2025, access to the cloud archive mailbox for an on-premises mailbox will not longer be possible when accessing using Outlook Web Access (aka OWA, aka Outlook on the Web). Access to the cloud archive will not

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Outlook – You can now automatically decline conflicting invitations

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This functionality is only available on Outlook Web Access (aka OWA, aka Outlook on the Web) and new Windows Outlook client. You can now set a setting to automatically decline conflicting request meetings. From time to time, you may receive request meetings which are conflicting with events already in your calendar; most of the time

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Exchange Online – New URL for accessing your mailbox with Outlook Web Access

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As announced in April 2023 (Office 365 – New unified domain for Office 365 services), Microsoft has been unifying Office 365 services under the cloud.microsoft umbrella domain. Well, the transition process is in full swing and today a new service is transitioning: Exchange Online Outlook Web Access. Outlook Web Access URL is switching from https://outlook.office365.com/

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Outlook Mobile – Access to Online Archive is now available on iOS and Android

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If you use Exchange (either on-premises or online), you are probably already using the Online Archive (also known as In-Place Archive) which is a ‘separated/hidden’ mailbox storage to help reduce the size of your mailbox (see Manage email storage with online archive mailboxes – Microsoft Support). Well, while access to the Online Archive has been

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Exchange Online Protection – You can now get end-user to receive automated feedback result

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If you use Exchange Online, you know you can be protected from spam and phishing emails using Exchange Online Protection (aka Defender for Office 365). In addition, you can also get your end-users to report spam or phishing emails which may have gone through the protection filters using the Report Message add-in in Outlook (client,

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