M365 Archive

RM560550 - Exchange: Dynamic distribution groups now populate membership faster on creation and modification

Microsoft 365 Roadmap

Summary

We're updating dynamic distribution groups (DDGs) in Exchange Online to make group membership available sooner after creation or a filter change. For DDGs with 5,000 members or fewer, membership is now populated as part of the creation or modification operation — no more waiting up to 2 hours.

Roadmap ID

560550

View in M365 Roadmap

Published

Apr 27, 2026

Status

In development

Release

General Availability

Platforms

Desktop

Service

Exchange

Tag

In development
General Availability
Worldwide (Standard Multi-Tenant)

Cloud

Worldwide (Standard Multi-Tenant)

Description

We're updating dynamic distribution groups (DDGs) in Exchange Online to make group membership available sooner after creation or a filter change. For DDGs with 5,000 members or fewer, membership is now populated as part of the creation or modification operation — no more waiting up to 2 hours.

GA date: May CY2026