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New Microsoft Outlook for Windows: Open or restart while offline

From Microsoft 365 Message Center Archive by Merill Fernando · Microsoft may not have sent this notice to your tenant.
Exchange OnlineMicrosoft 365 apps
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Rollout

Roadmap
414516

Rollout dates are often only in the text. When Microsoft moves them, the change shows under "What changed".

What the notice says

Microsoft’s text, safely structured

Coming soon: The ability to open or restart the new Microsoft Outlook for Windows when not connected to the internet.

This message is associated with Microsoft 365 Roadmap ID 414516.

When this will happen

General Availability (Worldwide): We will begin rolling out early October 2024 and expect to complete by late November 2024.

How this will affect your organization

Before the rollout: A connection to the internet was required to open or restart the new Outlook for Windows.

This change will be on by default.

What you need to do to prepare

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 the entire set of offline capabilities in the new Outlook, including offline app boot and previously rolled out capabilities as communicated in the more detailed MC798674 (Updated) New Microsoft Outlook for Windows: Offline support for mail actions and compose (published June 2024, updated July 2024), set the Exchange PowerShell Set-OwaMailboxPolicy cmdlet parameter OfflineEnabledWin to False.

We have published this article with more details about offline support in the new Outlook: Work Offline in Outlook.

#newoutlookforwindows

What changed

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The archive supplies one version of this notice.

Learn more

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What this page cannot tell you
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