Right-click on part01 only and select "Extract Here" using software like WinRAR or 7-Zip .
Depending on your goal for this file, here are a few ways to describe or handle it: Gioneotwo.part01.rar
If you did not expect this file or found it on a suspicious site, do not open it. Large split archives are often used to hide malware or pirated software. Always scan files with VirusTotal before extracting. Right-click on part01 only and select "Extract Here"
Ensure you have downloaded every piece of the archive (e.g., Gioneotwo.part01.rar , Gioneotwo.part02.rar ) into one directory. etc.) in the same folder.
A file named is the first segment of a "split" compressed archive. To access the contents, you must have all subsequent parts (part02, part03, etc.) in the same folder.