Files with generic names like "Vol 3&4.rar" from unverified sources can carry security risks. It is highly recommended to:
Part of a split archive for large installation manuals or technical libraries. Vol 3&4.rar
Compressed chapters or volumes of a series. Files with generic names like "Vol 3&4
Scan the file with a trusted antivirus like Microsoft Defender or Malwarebytes . Vol 3&4.rar
Check the file size; if it is unusually small (under 1MB) but claims to be a large media file, it may be a script or malware.