NewYou can now like and comment on Message Center posts.See how it works
M365 Archive

RM564913 - Outlook: New Outlook for Windows for GCC-H and DoD

Microsoft 365 Roadmap

Summary

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

Discussionpowered by zap.ms

Roadmap ID

564913

View in M365 Roadmap

Last Updated

Oct 5, 2026

Published Jun 4, 2026

View version history

Status

Launched

Release

General Availability
Preview

Platforms

Desktop

Service

Outlook

Tag

Launched
General Availability
Preview
GCC High
DoD

Cloud

DoD
GCC High

Description

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

Discussion

All Message Center discussions

Version history

4 versions tracked

Updated 3 times since Jun 4, 2026. Microsoft only ever shows the current version; this archive preserves the history.

Compare latest to previous (v3)Compare latest to original (v1)

Compare any two versions

From
To
  1. Oct 5, 2026 · 11:03 PMLatest · v4

    Changed: Tags, Status

  2. Jun 4, 2026 · 11:15 PMv3

    Changed: Tags, Status

    View this versionCompare to latest
  3. Oct 5, 2026 · 11:03 PMv2

    Changed: Tags, Status

    View this versionCompare to latest
  4. Jun 4, 2026 · 11:15 PMOriginal · v1

    Changed: Initial version

    View this versionCompare to latest