Exchange: High Volume Email for Microsoft 365 Beta
Data as of 3 hours ago (26 October 2026)
Status
Launched
Release month
March 2026
Release ring
General Availability, Preview
Products
Exchange
Cloud instances
Worldwide
Platforms
—
Description
High Volume Email is a new service for line of business applications and other high-volume SMTP scenarios that enables you to send internal messages beyond the current limits of Exchange Online.
Change history
Added to the roadmap 15 February 2024. Tracked here since 1 September 2026. Earliest target we recorded: March 2026 (since tracked — Microsoft may have moved it before we started watching).
Nothing has changed on this item since tracking began on 1 September 2026. Changes appear here as Microsoft updates the feed.