If your game is in .zip , .rar , or .7z format, extract it using 7-Zip or WinRAR. You should get a folder containing files like PS3_GAME/ , PS3_DISC.SFB , and a USRDIR/ folder.
: If you're trying to load firmware, ensure you've decrypted and placed them in the correct directory. Firmware files need to be in a specific format and location for rpcs3 to recognize them. invalid or unsupported file format rpcs3
To resolve the "invalid or unsupported file format" error in rpcs3: If your game is in