Knowing the source can help me give you more specific details about what might be inside.
To help you understand what you are looking at, here are the most likely scenarios for this type of file: 1. What the Filename Likely Means WIP3.part2.rar
A common naming convention for large mods (like for Assetto Corsa , Skyrim , or Minecraft ) that are still in development. Knowing the source can help me give you