M365 Archive

RM477373 - Outlook: Support for enhanced calendar-sharing architecture in the New Outlook for Windows and Web

Microsoft 365 Roadmap

Summary

This update improves the reliability of calendar sharing and ensures that the events seen by delegates are always up to date. #newoutlookforwindows

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Roadmap ID

477373

View in M365 Roadmap

Last Updated

Sep 22, 2025

Published Jan 24, 2025

Status

In development

Release

General Availability

Platforms

Desktop
Web

Service

Outlook

Tag

In development
General Availability
Worldwide (Standard Multi-Tenant)

Cloud

Worldwide (Standard Multi-Tenant)

Description

This update improves the reliability of calendar sharing and ensures that the events seen by delegates are always up to date. #newoutlookforwindows

GA date: April CY2026

Discussion

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