: While the exact content is unknown without extraction, the "CGP" prefix is commonly associated with:
You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip. CGP.7z.003
: The .003 extension indicates a split volume. This is typically done to break a very large file into smaller pieces for easier uploading, downloading, or storage on physical media. : While the exact content is unknown without
: Large game archives, such as GameCube or Wii titles, which are frequently split into parts for sharing in online communities. How to Use This File such as GameCube or Wii titles