The .MIX internal file types:
----------------------------
.VQA : Starts with FORM and 4 bytes after that WVQAVQHD
  \-> video's

.AUD : Starts with bytes "22 56"   ("V)
  \-> music scores/sounds

.WSA : ends with bytes "80 00 00 80"
  \-> Animated pictures

.PAL : 768 length
  \-> Color palette

.INI : Text file
  \->  Level scenario's : "SCB01EA.INI"
       (exeption: MISSION.INI: Briefings file)

.BIN : 8192 length
  \->  Level maps: "SCB01EA.BIN"

.CPS : ends with bytes "00 81 00 80"
  \->  Big pictures

.SHP : ends with byte "80"
  \->  All possible (smaller) pictures used in the game like buildings,
       units, icons, weapon images, animations...

Written by Maarten 'Nyerguds' Meuris
http://cnc2sw.planetcnc.gamespy.com/