Most RecentFirst post!!! of the Microsoft Exchange team blogBasic Authentication Deprecation in Exchange Online – What’s NextReleased: September 2025 Exchange Server Hotfix UpdatesReleased: October 2025 Exchange Server Security UpdatesRetirement Date for Office Online Server (OOS) has been AnnouncedAnnouncing General Availability of Inbound SMTP DANE with DNSSEC for Exchange OnlineWhy “in-place upgrade” from Exchange 2019 to Exchange SE is low riskNew URL for Exchange admin center (EAC) in Exchange OnlineAuto-Archiving for Exchange OnlineRetirement of Exchange Web Services in Exchange Online
