While other archivers can work, 7-Zip is the native tool designed for this purpose. 3. How to Extract Split Archives (Step-by-Step) Follow these steps to reassemble your file: On Windows

However, these split files require special handling. You cannot open the individual .7z.001 file on its own; you must have all parts present and use the correct software to reassemble them. 1. What are .7z.001 Files?

One of your downloads is likely corrupted. You will need to download the specific part again.