MC950871 – Product transitions to the cloud.microsoft domain – November 2024 (archived)

Outlook logo

check before: 2024-12-07

Product:

Microsoft 365 Apps, Microsoft 365 for the web, Outlook, Teams

Platform:

Developer, Online, Web, World tenant

Status:

Change type:

Feature update, User impact, Admin impact

Links:

Details:

Summary:
Microsoft products are transitioning to the cloud.microsoft domain by November 2024. The domain, provisioned in early 2023, hosts authenticated SaaS products. Services like Microsoft Outlook are available on this domain, with previous domains redirecting soon. Organizations should educate users and update in-house apps to ensure compatibility.

Details:
The cloud.microsoft domain was provisioned in early 2023 to provide a unified, trusted, and dedicated DNS domain space to host Microsoft's first party authenticated SaaS products and experiences. This post is to inform admins that the following Microsoft products and scenarios are now available at the cloud.microsoft domain, in parallel with the previous domains.
Microsoft Outlook (https://outlook.cloud.microsoft/)
A full list of product experiences already being delivered on this domain can be found here: Unified cloud.microsoft domain for Microsoft 365 apps - Microsoft 365 Enterprise | Microsoft Learn.
[When this will happen:]
The services above are already available on cloud.microsoft, in parallel to their previous domains. You can expect the previous domains to be redirected to cloud.microsoft in the coming months.

Change Category:
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Scope:
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Release Phase:

Created:
2024-12-07

updated:
2024-12-07

Task Type

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Docu to Check

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MS How does it affect me

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MS Preperations

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MS Urgency

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MS workload name

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summary for non-techies**

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Direct effects for Operations**

Domain Transition Impact
Users may experience confusion or difficulty accessing services if they are not aware of the new cloud.microsoft domain, leading to potential disruptions in workflow.
   - roles: End Users, IT Support
   - references: https://learn.microsoft.com/microsoft-365/enterprise/cloud-microsoft-domain?view=o365-worldwide" target="_blank" rel="nofollow noopener noreferrer">https://learn.microsoft.com/microsoft-365/enterprise/cloud-microsoft-domain?view=o365-worldwide, https://support.microsoft.com/en-us/office/what-is-cloud-microsoft-7ba4c8b9-d062-4444-84a5-fca6c3006d2b

In-house App Compatibility
In-house applications that reference the old domain may fail to function properly, causing interruptions in service and user frustration.
   - roles: Developers, End Users
   - references: https://devblogs.microsoft.com/microsoft365dev/action-required-ensure-your-microsoft-teams-apps-are-ready-for-upcoming-domain-changes/

User Education Requirement
Without proper education on the new domain, users may not recognize the new URLs, leading to security risks such as phishing attempts.
   - roles: End Users, IT Security
   - references: https://techcommunity.microsoft.com/t5/microsoft-365-blog/introducing-cloud-microsoft-a-unified-domain-for-microsoft-365/ba-p/3804961

Network Configuration Issues
If network configurations do not allow access to the new cloud.microsoft domain, users may be unable to access essential services, leading to productivity loss.
   - roles: Network Administrators, End Users
   - references: https://learn.microsoft.com/microsoft-365/enterprise/urls-and-ip-address-ranges

Redirect Confusion
Users may be confused by automatic redirects from old domains to the new domain, potentially leading to mistrust in the service's security.
   - roles: End Users, IT Support
   - references: https://learn.microsoft.com/microsoft-365/enterprise/cloud-microsoft-domain?view=o365-worldwide" target="_blank" rel="nofollow noopener noreferrer">https://learn.microsoft.com/microsoft-365/enterprise/cloud-microsoft-domain?view=o365-worldwide

Configutation Options**

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Opportunities**

User Education and Training
As the transition to the cloud.microsoft domain is significant, there is an opportunity to enhance user education and training programs to familiarize users with the new domain and its benefits. This can improve user experience and reduce confusion during the transition period.
   - next-steps: Develop training materials and sessions focused on the new cloud.microsoft domain, emphasizing its security features and benefits. Schedule training sessions and distribute educational resources to all users.
   - roles: IT Administrators, Training Coordinators, User Support Specialists
   - references: https://support.microsoft.com/en-us/office/what-is-cloud-microsoft-7ba4c8b9-d062-4444-84a5-fca6c3006d2b, https://techcommunity.microsoft.com/t5/microsoft-365-blog/introducing-cloud-microsoft-a-unified-domain-for-microsoft-365/ba-p/3804961

Update In-House Applications
There is an opportunity to audit and update in-house applications that interact with Microsoft services to ensure compatibility with the new cloud.microsoft domain. This will help maintain seamless operations and user experience.
   - next-steps: Conduct an inventory of in-house applications, identify those that require updates for compatibility with the cloud.microsoft domain, and prioritize their updates accordingly.
   - roles: Application Developers, IT Administrators, Project Managers
   - references: https://devblogs.microsoft.com/microsoft365dev/action-required-ensure-your-microsoft-teams-apps-are-ready-for-upcoming-domain-changes/, https://learn.microsoft.com/microsoft-365/enterprise/cloud-microsoft-domain?view=o365-worldwide

Network Configuration Review
To ensure uninterrupted access to services on the new cloud.microsoft domain, IT can review and optimize network configurations to avoid blocking access to *.cloud.microsoft. This proactive measure can enhance service reliability.
   - next-steps: Review current network configurations, verify compliance with Microsoft’s network guidance, and make necessary adjustments to ensure access to the new domain is not hindered.
   - roles: Network Administrators, IT Security Teams, Infrastructure Managers
   - references: https://learn.microsoft.com/microsoft-365/enterprise/urls-and-ip-address-ranges, https://techcommunity.microsoft.com/t5/microsoft-365-blog/introducing-cloud-microsoft-a-unified-domain-for-microsoft-365/ba-p/3804961

Potentional Risks**

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IT Security**

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explanation for non-techies**

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** AI generated content. This information must be reviewed before use.

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