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).

Roadmap ID

564913

View in M365 Roadmap

Published

Jun 4, 2026

Status

In development

Release

General Availability
Preview

Platforms

Desktop

Service

Outlook

Tag

In development
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