According to some of the latest release notes for Windows 11 preview builds, Microsoft is testing a new preloading feature that is meant to load File Explorer in the background before it opens. The company says that the change shouldnt be visible to most people, but will result in File Explorer hopefully launching faster when you need to use it. This feature is currently only available in Windows 11 Insider Preview Build 26220.7271 for Dev & Beta channels, so it could be a few months before...
