The original software used to create and open these archives.
To see what is inside the file, you need a utility that can decompress RAR files. Common options include: MG_R.rar
Compressed files from unknown sources can contain malware. Always scan the file with a security tool like AVG AntiVirus or Avast before extracting. The original software used to create and open these archives
"MG" often refers to Metal Gear or Master Grade (in Gundam modeling). MG_R.rar
A free, open-source alternative that supports extracting .rar files.
Because .rar is a container format, the specific "useful content" inside depends entirely on its source. Generally, files with this naming convention are found in: