Microsoft is rolling out a set of updates to File Explorer for Windows 11 users in the Insider program, focusing mainly on speed, smoother performance, and a more polished experience.
One of the biggest changes is faster launch times. While Microsoft has not shared the exact technical details, the improvement likely builds on a feature it tested earlier that allowed File Explorer to load in the background before you opened it. That feature was optional at the time, giving users the choice to turn it off in Folder Options. Now, it seems Microsoft is refining that idea to make File Explorer feel quicker right out of the box.
This move follows a similar feature introduced in May 2025 called Startup Boost, which helped Office apps open faster by running a background task when the system started. With File Explorer getting a similar treatment, everyday tasks like browsing files could feel more responsive.
Microsoft is also working on improving how the explorer.exe process behaves after closing File Explorer windows. In the past, this process could sometimes keep running in the background longer than expected. Fixing this should help improve system stability and reduce unnecessary resource use.
Another area getting attention is the dark mode experience. Some users have noticed a bright white flash when opening File Explorer, which can be distracting, especially in dark environments. Microsoft first acknowledged this issue late last year and has been working on a fix ever since. While some situations were already improved, the company is still fine-tuning the solution, with more fixes now reaching Insider users.
These updates are currently being released to users in the Release Preview channel who are running Windows 11 versions 24H2 or 25H2 with the latest builds installed.
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