What type of program would i need to open a .cache file?

it is i path

C:\Program Files\Steam\steamapps\—————\co source\cstrike\maps\soundcache
i procured out along with replaced my own user brand with ————— just simply cause plz assistance me

cache files are usually just non permanent files utilised by a unique program.In this case Steam.You do not be able to open them

The situation you bought you could probably open the files in an acustic program nevertheless , you will have to know whether they were a regulartype for example mp3, mpa or anything else.