If the .r file is a proprietary binary format from specific software (e.g., an old game, a specific engineering tool), standard text editors will show gibberish.
Decompiling Progress code is not a silver bullet. You should expect the following challenges: decompile progress .r file
The quality and reliability of these tools are often questioned in developer communities. They are typically paid services, and their output is rarely a perfect reproduction of the original source code, often requiring manual cleanup and debugging. If the