The lightweight web client is going away, placing more demands on systems still clinging to Microsoft's on-prem email system.

Microsoft released July 2026 Exchange Server security updates, including a permanent fix for the Critical CVE-2026-42897 ...

Microsoft on Thursday cleared up the mystery surrounding its next Exchange Server release plans, as described in an "Exchange Server Roadmap Update" announcement. Like SharePoint Server and Project ...

Microsoft Exchange administrators running versions older than March 2023 need to update or they won’t get the latest security mitigations, says an expert. But, David Shipley added, even better advice ...

Microsoft will disable OWA Light by default in the August 2026 Exchange Server update, redirecting users to standard Outlook ...

Microsoft has added a new Exchange Server feature that automatically applies interim mitigations for high-risk (and likely actively exploited) security flaws to secure on-premises servers against ...

Microsoft announced today that Exchange Server 2016 and 2019 now come with support for HTTP Strict Transport Security (also known as HSTS). HSTS is a web server directive that instructs websites (such ...

A new cybersecurity blueprint aimed at strengthening Microsoft Exchange Server environments has been released by the US Cybersecurity and Infrastructure Security Agency (CISA), National Security ...

Best practices include a focus on hardening user authentication and access, ensuring strong network encryption, and minimizing application attack surfaces. Cyber agencies from three countries ...

Microsoft Exchange admins got a bit of a rude surprise as the new year rang in, with a “latent date issue” striking the on-premises versions of Exchange Server 2016 and 2019 that saw emails queued up ...