Use updated antivirus software to scan the compressed file.
Multi-part (Spanned) Archive. The .part1 suffix indicates this is the first segment of a larger file that has been split into multiple pieces for easier uploading or storage.
You cannot extract the contents of this file alone. You will need all subsequent parts (e.g., .part2.rar , .part3.rar ) in the same folder to successfully rebuild and open the internal data.
Use 7-Zip or WinRAR to ensure compatibility with the spanned archive format.
This file naming convention is characteristic of peer-to-peer (P2P) file sharing, Usenet, or third-party hosting sites (Cyberlockers). These sources carry a high risk of bundled malware or "trojanized" installers.
Multi-part archives are highly susceptible to corruption. If one part is missing or has a different checksum, the entire extraction will fail. Safety & Risk Assessment
Search for the remaining segments (part 2, etc.) from the original source.