Outlook: New Outlook Support For GCC-High and Sovereign Clouds
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
Expected Release Date:
January CY2026
