Large datasets, architectural reference packs, or GPS map data are often given alphanumeric codes for database organization.
Your extractor is likely outdated. Update to the latest version of 7-Zip to handle newer RAR5 compression methods. Prague - 130 Reference pictures | Resources - ArtStation PRDQGEW rar
This guide explains what a file likely is (based on common naming patterns), how to handle it safely, and the steps to extract its contents. What is a PRDQGEW.rar? Large datasets, architectural reference packs, or GPS map