The file is the first volume of a multi-part split archive, a common format used to break down very large files into smaller, more manageable pieces for easier downloading or sharing. Understanding Multi-Part Archives
When a large file (like a high-definition movie, software installer, or game ISO) is too big for a single upload, it is split into a sequence. You will typically see a series of files like filename.part01.rar , filename.part02.rar , and so on.
Modern extraction tools recognize the sequence automatically. You only need to right-click and extract the first file, and the software will pull data from the subsequent parts as needed. How to Extract "Part01.rar" To successfully access the data inside, follow these steps: How to extract ISO images from rar without ... - GitHub
You cannot usually extract the contents using only Part 01; you must have all parts (01 through the final part) in the same folder for the extraction to succeed.
"Part01.rar" acts as the entry point for the entire set.