How to change color of audio files

[Leo]

Pink usually means the file is compressed (at the filesystem level, not just as in MP3 or Zip compression).

More detail here:

Why have all my files and folders turned pink/purple/red?

Filesystem compression has existed in Windows for a long time, but usually only when the user explicitly asked for it. Windows 10 seems to have started automatically compressing some peoples' hard drives as part of a recent update (presumably when t…