Files is not made by Microsoft, so it's not the File Explorer. But it is a file explorer. It's one of the more popular File Explorer alternatives available on Windows 11 and Windows 10.

Files | $8.99 at Microsoft Store This third-party file management app is gorgeous. It also packs in many features that are not available in Microsoft's official File Explorer on Windows 11.

Windows 11's new Shared section in File Explorer consolidates all shared files into one convenient place.