MC798674 – (Updated) New Microsoft Outlook for Windows: Offline support for mail actions and compose (archived)

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*For this entry exists the more relevant or more recent entry MC907098

check before: 2024-06-19

Product:

Exchange, Microsoft 365 Apps, Outlook

Platform:

Online, Web, Windows Desktop, World tenant

Status:

Launched

Change type:

Admin impact, New feature, Updated message, User impact

Details:

Summary:
The new Microsoft Outlook for Windows will introduce offline capabilities, allowing users to view mail, calendar events, and contacts, as well as perform key email actions and compose new emails without an internet connection. This feature will start rolling out in late June 2024 and is expected to complete by late July 2024. Users can adjust offline settings, and no action is required to prepare for this rollout.

Details:
Updated July 22, 2024. We have added a link to an article that has more details about the feature.
The first set of offline capabilities in the new Microsoft Outlook for Windows will be rolling out worldwide in the coming months. Mail, calendar events, and contacts will be saved on the user's device, so those items can be viewed even when not connected to the internet. Additionally, key actions can be performed on emails, including flag, move, and delete, and new emails can be composed, saved, and sent, so users can stay productive even when not connected to the internet.
This message is associated with Microsoft 365 Roadmap ID: 178030.
[When this will happen:]
General Availability (Worldwide): We will begin rolling out in late June 2024 and expect to be complete by late July 2024.

Change Category:
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Scope:
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Release Phase:
General Availability

Created:
2024-06-05

updated:
2024-08-10

Task Type

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Direct effects for Operations**

- Direct Impact on IT Operations
- Increased Local Storage Requirements
- Users will need sufficient local storage to accommodate saved emails, calendar events, and contacts.
- Roles impacted: IT Administrators, End Users
- Reference: [Microsoft Learn on Set-OwaMailboxPolicy](https://learn.microsoft.com/powershell/module/exchange/set-owamailboxpolicy?view=exchange-ps-offlineenabledwin)

- Potential Network Traffic Surge Post-Offline Usage
- When users reconnect to the internet, there may be a surge in network traffic as emails and actions performed offline synchronize with the server.
- Roles impacted: IT Administrators, Network Engineers
- Reference: [Microsoft Support on Offline to Online](https://support.microsoft.com/office/switch-from-working-offline-to-online-2460e4a8-16c7-47fc-b204-b1549275aac9)

- Direct Impact on IT Services
- Changes in Email Synchronization Dynamics
- The new offline capabilities may alter how email synchronization is managed, potentially leading to delays or conflicts in email delivery.
- Roles impacted: IT Administrators, Service Desk Personnel
- Reference: [Microsoft 365 Roadmap](https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=178030)

- Direct Impact on IT Users
- User Experience Variability
- Users may experience variability in performance and functionality based on their local storage capacity and settings, leading to confusion or frustration.
- Roles impacted: End Users, Help Desk Support
- Reference: [Microsoft Support on Offline Features](https://support.microsoft.com/office/switch-from-working-offline-to-online-2460e4a8-16c7-47fc-b204-b1549275aac9)

Opportunities**

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Potentional Risks**

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change history

DatePropertyoldnew
2024-07-23MC MessagesThe first set of offline capabilities in the new Microsoft Outlook for Windows will be rolling out worldwide in the coming months. Mail, calendar events, and contacts will be saved on the user’s device, so those items can be viewed even when not connected to the internet. Additionally, key actions can be performed on emails, including flag, move, and delete, and new emails can be composed, saved, and sent, so users can stay productive even when not connected to the internet.
This message is associated with Microsoft 365 Roadmap ID: 178030.
[When this will happen:]
General Availability (Worldwide): We will begin rolling out in late June 2024 and expect to be complete by late July 2024.
Updated July 22, 2024. We have added a link to an article that has more details about the feature.
The first set of offline capabilities in the new Microsoft Outlook for Windows will be rolling out worldwide in the coming months. Mail, calendar events, and contacts will be saved on the user’s device, so those items can be viewed even when not connected to the internet. Additionally, key actions can be performed on emails, including flag, move, and delete, and new emails can be composed, saved, and sent, so users can stay productive even when not connected to the internet.
This message is associated with Microsoft 365 Roadmap ID: 178030.
[When this will happen:]
General Availability (Worldwide): We will begin rolling out in late June 2024 and expect to be complete by late July 2024.
2024-07-23MC TitleNew Microsoft Outlook for Windows: Offline support for mail actions and compose(Updated) New Microsoft Outlook for Windows: Offline support for mail actions and compose
2024-07-23MC Last Updated06/05/2024 01:04:342024-07-22T23:00:30Z
2024-07-23MC MessageTagNamesNew feature, User impact, Admin impactUpdated message, New feature, User impact, Admin impact
2024-07-23MC prepareNo action is required to prepare for this rollout. You may want to notify your users about this change and update any relevant documentation as appropriate.
If you would like to disable this feature, set the new Exchange PowerShell -OwaMailboxPolicy cmdlet parameter OfflineEnabledWin to False. When disabled, no items will be saved on the user’s device, which also means users will not receive the performance improvements described in this message. Any items saved prior to disabling the feature will be deleted.
To use OfflineEnabledWin, the mailbox account must be the primary account in the new Outlook. To prevent end users from changing the primary account, set the parameter ChangeSettingsAccountEnabled to False.
Note: Another parameter, OfflineEnabledWeb, will be available when offline capabilities for Outlook on the web are rolled out (separate from this rollout, and not yet planned).
Learn more: The -OfflineEnabledWin section in Set-OwaMailboxPolicy (ExchangePowerShell) | Microsoft Learn
Before rollout, we will update this post with revised documentation.
https://learn.microsoft.com/powershell/module/exchange/set-owamailboxpolicy?view=exchange-ps#-offlineenabledwin
https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=178030
No action is required to prepare for this rollout. You may want to notify your users about this change and update any relevant documentation as appropriate.
If you would like to disable this feature, set the new Exchange PowerShell -OwaMailboxPolicy cmdlet parameter OfflineEnabledWin to False. When disabled, no items will be saved on the user’s device, which also means users will not receive the performance improvements described in this message. Any items saved prior to disabling the feature will be deleted.
To use OfflineEnabledWin, the mailbox account must be the primary account in the new Outlook. To prevent end users from changing the primary account, set the parameter ChangeSettingsAccountEnabled to False.
Note: Another parameter, OfflineEnabledWeb, will be available when offline capabilities for Outlook on the web are rolled out (separate from this rollout, and not yet planned).
Learn more: The -OfflineEnabledWin section in Set-OwaMailboxPolicy (ExchangePowerShell) | Microsoft Learn
Before rollout, we will update this post with revised documentation.
We have published this article with more details about the feature: Switch from working offline to online - Microsoft Support
https://learn.microsoft.com/powershell/module/exchange/set-owamailboxpolicy?view=exchange-ps#-offlineenabledwin
https://support.microsoft.com/office/switch-from-working-offline-to-online-2460e4a8-16c7-47fc-b204-b1549275aac9
https://www.microsoft.com/microsoft-365/roadmap?filters=&searchterms=178030

Last updated 2 months ago

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