Exchange Server and Skype for Business support extended on October 14, 2025 One final ESU will then be available for just six months Customers are being urged to upgrade ASAP to stay safe Microsoft ...

Microsoft Exchange is a Microsoft email service often used by businesses and academic institutions. Exchange synchronizes email between an Exchange server and your client email app, such as Outlook.

Microsoft this week announced it will be bringing its Extended Security Update (ESU) program for on-premises Exchange Server 2016 and 2019, offering organizations critical protection as they approach ...

Microsoft sounded the alarm on a hybrid Exchange bug in early August 2025 However almost 30,000 instances remain vulnerable Microsoft has advised users how to defend their endpoints, so patch now ...

Over 29,000 Exchange servers exposed online remain unpatched against a high-severity vulnerability that can let attackers move laterally in Microsoft cloud environments, potentially leading to ...