email performance

On June 15, 2026, Microsoft’s new Outlook for Windows can take roughly 10 seconds to open the specific email behind a Windows 11 notification, while Outlook Classic opens the same message almost immediately. That is not a cosmetic delay; it is the kind of everyday friction that makes users...

For many years, Microsoft Outlook has held the title of the business world’s de facto email client, synonymous with the broader Microsoft 365 productivity ecosystem. The ongoing transformation of Outlook, especially the controversial shift from the classic native app to a web-based experience...