Do not run any .exe or .bat files found inside the archive without first scanning them with updated antivirus software or VirusTotal .
Files named with this convention ( .part1.rar ) are often hosted on third-party file-sharing sites (Mega, MediaFire, Pixeldrain). Only open this if you trust the specific source where you downloaded it. Dawn_of_Grace.part1.rar
If you have the file locally, you can check the "Comment" section in WinRAR or 7-Zip, which often contains the website or password required to extract the data. Do you have the other parts of this archive, or Do not run any