Go to Advanced tab & click on ‘ Compression… ‘.Select archive format as RAR, compression method as Best and tick the ‘Create solid archive’ checkbox.The settings made hereafter apply to all RAR files created using the ‘ Add to filename.rar ‘ option. Go to Compression tab & click on ‘ Create default… ‘ to create a compression profile.Press Ctrl+S to open the Settings dialog box.So, I assume that until someone corrects me or gives me a better suggestion, I would use the following settings for WinRAR to attain the maximum possible compression. As a result, although ZIP files are still widely used, RAR files have a higher priority.Īfter searching for about an hour on Google, I still couldn’t find a better way to compress files to the max in WinRAR. Later, when WinRAR came out, it attracted many web users because of its better compression ratio than the former WinZIP. The most common format used is the ZIP file. Compression ratio is usually above 7z max, while beeing much faster. uses 4 cores to the max on a 4GB RAM machine, 10MB per second. Here are two parameter sets I especially like: Fast compression. However, to speed up the transfer, we compress the files since smaller files get transferred faster. It has the best compression / runtime ratio of any compression tool I know. In today’s age of the internet, file transfer is a common practice.