check before: 2025-06-15
Product:
Exchange, Outlook
Platform:
Online, Web, Windows Desktop, World tenant
Status:
In development
Change type:
New feature, Admin impact
Links:
Details:
Summary:
Offline support for creating, editing, and deleting single calendar events in the new Outlook for Windows will be available from mid-June to mid-July 2025. This feature requires the `OWAMailboxPolicy -OfflineEnabledWin` setting to be true. Recurring events are not supported offline. Admins can manage settings using the Set-OwaMailboxPolicy cmdlet.
Details:
We're expanding offline capabilities in the new Outlook for Windows. Users will soon be able to create, edit, and delete single calendar events even when not connected to the internet. This enhancement improves productivity and flexibility when working offline.
This change is associated with Microsoft 365 Roadmap ID: 490059
[When this will happen:]
General Availability (Worldwide): Rollout will begin in mid-June 2025 and is expected to complete by mid-July 2025.
Change Category:
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Scope:
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Release Phase:
General Availability
Created:
2025-06-24
updated:
2025-06-24
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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linked item details
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summary for non-techies**
The new Outlook for Windows update allows users to create, edit, or delete individual calendar events offline, with the feature enabled by the `OWAMailboxPolicy -OfflineEnabledWin` setting, which IT admins can manage using the Set-OwaMailboxPolicy cmdlet, but it does not support changes to recurring events.
Direct effects for Operations**
Offline Calendar Functionality
Users may create, edit, and delete single calendar events offline, but recurring events are not supported, potentially leading to confusion and data inconsistency.
- roles: End Users, IT Administrators
- references: https://learn.microsoft.com/powershell/module/exchange/set-owamailboxpolicy, https://support.microsoft.com/en-us/office/work-offline-in-outlook-2460e4a8-16c7-47fc-b204-b1549275aac9#picktab=new_outlook
" target="_blank" rel="nofollow noopener noreferrer">https://support.microsoft.com/en-us/office/work-offline-in-outlook-2460e4a8-16c7-47fc-b204-b1549275aac9#picktab=new_outlook
Policy Management
If the OWAMailboxPolicy -OfflineEnabledWin setting is not configured properly, users may be unable to access offline calendar features, leading to decreased productivity.
- roles: IT Administrators, End Users
- references: https://learn.microsoft.com/powershell/module/exchange/set-owamailboxpolicy, https://www.microsoft.com/en-us/microsoft-365/roadmap?rtc=1%26filters%3D&searchterms=490059
User Experience
Without proper preparation, users may experience frustration if they attempt to use offline features that are not enabled, impacting their workflow and satisfaction.
- roles: End Users, IT Support Staff
- references: https://support.microsoft.com/en-us/office/work-offline-in-outlook-2460e4a8-16c7-47fc-b204-b1549275aac9#picktab=new_outlook, https://www.microsoft.com/en-us/microsoft-365/roadmap?rtc=1%26filters%3D&searchterms=490059
Configutation Options**
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Opportunities**
Enhanced User Productivity
The ability to create, edit, and delete calendar events offline will significantly improve user productivity, especially for employees who travel frequently or work in areas with unstable internet connections. This functionality allows users to manage their schedules without being hindered by connectivity issues.
- next-steps: Encourage users to enable offline mode and provide training on how to use the new features effectively. Monitor user feedback to identify any issues or further training needs.
- roles: Sales Team, Project Managers, Field Staff
- references: https://learn.microsoft.com/powershell/module/exchange/set-owamailboxpolicy" target="_blank" rel="nofollow noopener noreferrer">https://learn.microsoft.com/powershell/module/exchange/set-owamailboxpolicy, https://support.microsoft.com/en-us/office/work-offline-in-outlook-2460e4a8-16c7-47fc-b204-b1549275aac9#picktab=new_outlook
" target="_blank" rel="nofollow noopener noreferrer">https://support.microsoft.com/en-us/office/work-offline-in-outlook-2460e4a8-16c7-47fc-b204-b1549275aac9#picktab=new_outlook
Improved IT Administrative Efficiency
With the introduction of offline calendar functionalities, IT administrators can streamline their support processes by reducing the number of requests related to calendar management during connectivity issues. This can lead to a decrease in help desk workload and faster resolution times for users.
- next-steps: Update internal documentation and training materials to reflect the new offline capabilities. Provide admins with guidelines on managing the `OWAMailboxPolicy` settings effectively to ensure optimal user experience.
- roles: IT Administrators, Help Desk Staff
- references: https://learn.microsoft.com/powershell/module/exchange/set-owamailboxpolicy" target="_blank" rel="nofollow noopener noreferrer">https://learn.microsoft.com/powershell/module/exchange/set-owamailboxpolicy, https://www.microsoft.com/en-us/microsoft-365/roadmap?rtc=1%26filters%3D&searchterms=490059
Compliance and Data Management
The ability to access and edit calendar data offline raises compliance considerations, particularly regarding data security and access control. This opportunity allows organizations to review and enhance their compliance policies related to offline data access, ensuring that sensitive information is adequately protected even when offline.
- next-steps: Conduct a compliance audit to assess the impact of offline calendar functionalities on data management policies. Update security protocols and training for users on handling sensitive information while offline.
- roles: Compliance Officers, Data Protection Officers
- references: https://support.microsoft.com/en-us/office/work-offline-in-outlook-2460e4a8-16c7-47fc-b204-b1549275aac9#picktab=new_outlook, https://learn.microsoft.com/powershell/module/exchange/set-owamailboxpolicy" target="_blank" rel="nofollow noopener noreferrer">https://learn.microsoft.com/powershell/module/exchange/set-owamailboxpolicy
Potentional Risks**
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Data Protection**
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IT Security**
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Hypothetical Work Council Statement**
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DPIA Draft**
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explanation for non-techies**
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