Launched
Exchange: Dynamic distribution groups now populate membership faster on creation and modification
Why it matters: Generally available
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.
Affected: Exchange
Change history
2026-06-23 · First seen