Microsoft 365 Roadmap

RM564913Outlook: New Outlook for Windows for GCC-H and DoD

Summary

The new Microsoft Outlook for Windows will be available for US Government clouds (GCC-H and DoD sovereign environments).

The new Microsoft Outlook for Windows will be available for US Government clouds (GCC-H and DoD sovereign environments).

GA date: September CY2026

Preview date: July CY2026

2 versions tracked

Updated 1 time since Jun 4, 2026. Microsoft 365 Message Center only shows the current version; this archive preserves tracked history.

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Oct 5, 2026 - 11:03 PMLatest - v2
Changed: Tags, Status
Jun 4, 2026 - 11:15 PMOriginal - v1
Changed: Initial version
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