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

Light, the lightweight version of the Outlook Web App email client, in a future Exchange Server update. "OWA Light was an ...

On Monday, Microsoft released the last major update for Exchange Server 2019. The aging Exchange Server is set to lose support on Oct. 14, 2025. This final update (2025 H1 Cumulative Update (CU15) ...

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

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 today updated its mitigation measures for two recently disclosed and actively exploited zero-day vulnerabilities in its Exchange Server technology after researchers found its initial ...

Microsoft has released its final cumulative update (CU) for Exchange Server 2019, which means customers need to get ready to upgrade or move to hosted Exchange. Enterprises still hosting on-premises ...

Microsoft has identified one of the critical vulnerabilities in Exchange Server that the company disclosed in February's Patch Tuesday update as actually being a zero-day threat that attackers are ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Microsoft confirms Exchange zero-day, CISA warns it's under active exploitation. Updated May ...

Microsoft has pulled Microsoft Exchange Server's August security updates from Windows Update after finding they break Exchange on non-English installs. On August 8th, Microsoft released new Exchange ...

Microsoft has announced a significant change to its delivery process for Security Updates and Hotfixes to Exchange Server. The aforementioned updates will now be offered through .exe packages too. Up ...

Last year, two high severity, easily exploitable Microsoft Exchange vulnerabilities dubbed ProxyLogon and ProxyShell made waves in the infosec sphere. Nearly a year later, Exchange Server admins are ...