Microsoft’s new Outlook takes 10 seconds to do what Outlook Classic does instantly on Windows
Summary
This Windows Latest article analyzes Microsoft's new Outlook for Windows, focusing on a persistent 10-second delay when opening a specific email from a notification compared to Outlook Classic. It explains that the new Outlook is built on WebView2, which contributes to slower performance, and discusses RAM/CPU differences, ongoing improvements, and the push toward native WinUI solutions.