In the latest Windows Insider beta update released November 21, Microsoft announced the arrival of its full-screen Xbox experience for laptops and desktops alongside a number of other new features and fixes big and small, with one particular area of change catching my eye: what it's doing with File Explorer.

"We’re exploring preloading File Explorer in the background to help improve File Explorer launch performance," Microsoft explained in a blog post on Friday. "This shouldn’t be visible to you, outside of File Explorer hopefully launching faster when you need to use it." (The option can be toggled off, if you don't want it enabled).

As Tom Warren noted at The Verge , Microsoft did something similar earlier this year for Office, adding a feature called "Startup Boost" that loads parts o

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