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Product
Outlook
Saved release status
In development
Original publication
Feature overview
New Outlook will support the connection of accounts in special environments such as Microsoft 365 GCC High, Microsoft 365 DoD, and Microsoft 365 operated by 21Vianet (China). In this release, all mailboxes connected to new Outlook will need to be hosted in the same special environment. #newoutlookforwindows
Archived release information
January CY2026
Source: Saved Microsoft roadmap archive Feature ID: 496375
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