: You can open these files using the free 7-Zip utility for Windows or The Unarchiver for macOS.
: Occasionally used for "Custom Storage Containers" or "Character Skin Collections" in various gaming communities. csc.7z
If you are looking for information on how to handle the file itself, here is a quick guide: What is a .7z File? : You can open these files using the
: Files from the U.S. Securities and Exchange Commission (SEC) archives sometimes contain encoded strings resembling "CSC)7Z", though these are usually part of internal data formatting rather than a standalone file name. csc.7z