The answer is no: You need to install special software to extract and open the file. If you are thinking, the RAR file is a normal regular folder on your device, and you can use them to organize several other folders, documents, images, and other files. This way, rather than downloading multiple files separately, one can get an option to download all of them at once. These days, users use RAR files to compress their different files.

RAR file(Roshal Archive Compressed file) is a type of compressed file that stores multiple other compressed files in them. What to do If Your RAR Files Get Corrupted?.