Exchange Server

Microsoft has issued a reminder to administrators: Exchange Server 2016 and 2019 will officially reach end of support this October. The company is urging IT teams to plan migration now to avoid security vulnerabilities and service disruptions. Microsoft dropped mainstream support for Exchange Server 2019 on January 9, 2024, whereas Exchange Server 2016’s mainstream support…

Microsoft has announced a price hike for its on-premises server products starting July 2025, which will impact organizations that continue to use traditional infrastructure. The increase will affect key offerings like Exchange Server SE, Skype for Business SE, and SharePoint Server. Microsoft is raising the prices of its on-premises server products to support ongoing maintenance,…

Exchange Server Subscription Edition (ESSE) is the new version of Microsoft’s on-premises email and calendaring solution, due to be released early Q3 of 2025. This blog post provides a detailed overview of Exchange Server Subscription Edition, tailored for IT professionals new to Exchange Server or transitioning from older versions. Discover how little is new with…

Microsoft has announced the release of the 2025 H2 Cumulative Update (CU15) for Exchange Server 2019. This is the final major update before this Exchange Server version reaches its end-of-support deadline in October 2025. Microsoft emphasized that CU15 includes new features, security enhancements, bug fixes, and all previous Security Updates (SUs). Previously, administrators had to…

Microsoft has yet to release the final cumulative update (CU15) for Exchange Server 2019 due to technical issues. The company has outlined some of the reasons for the delay, but it has not provided a new expected release date for the update. In December, Microsoft announced plans to push the final cumulative update for Exchange…

Microsoft has alerted organizations about the risks of using outdated Exchange Servers. The company has warned that the Exchange Emergency Mitigation Service (EEMS) may no longer work on Exchange Server versions older than March 2023. What is Exchange Emergency Mitigation Service? Microsoft first released the Exchange Emergency Mitigation Service (EEMS) back in September 2021. This…

Microsoft has postponed the release of the final Cumulative Update for Exchange Server 2019. This update, known as Exchange Server 2019 CU15 (or H2 2024 CU), will be delivered to commercial customers next year. In 2022, Microsoft announced that it would be moving to a biannual update scheme for Exchange Server products, which typically receive…

This week, Microsoft re-released the November 2024 Exchange Server security updates, now known as November 2024 SUv2. The first release didn’t go so well. The original updates, which went out on November 12, 2024, caused issues with data loss prevention (DLP) rules and transport rules, leading to disruptions in on-premises email flow. You can find…

Microsoft has paused the roll out of a security update that was released for Exchange Server 2016 and Exchange Server 2019 on November 12. The company has warned that the patch could break transport rules for select customers. “We are aware of customers having an issue with the Transport rules stopping periodically after this update…

Microsoft has issued a reminder that extended support for Office 2016 and Office 2019 will officially end on October 14, 2025. Following this date, users of these versions will no longer receive security patches, bug fixes, or technical assistance. Microsoft has warned that customers using Office 2016 and Office 2019 may expose themselves to security…

In this guide, you will learn about Outlook OST and PST files, why you might need to convert OST files to a PST, and how to convert OST files to PST format. What is an OST file? An OST file, or Offline Storage Table file, is a data file that is created by Microsoft Outlook…