Use a file archiver utility like WinRAR, 7-Zip, or Finder (Mac) to extract the contents.
A compressed folder containing high-contrast wallpapers, images, or a "vivid" audio sample pack. Recommended Next Steps for Accessing the File
you found the file (a website, an email, or is it on your computer?)
Since this is likely a local file, to get a detailed write-up, you would need to: