In this post, we’ll explain what this file is and how to successfully extract the data hidden inside. What is a ".part4.rar" File?
You will need extraction software. Popular choices include WinRAR (Windows), 7-Zip (Open Source), or The Unarchiver (macOS).
If the process stops and asks for another file, double-check that you haven't missed a part (e.g., part5 ).