: Ensure your archive name matches your naming convention. WinRAR will automatically append .part01.rar , .part02.rar , etc., as it processes the files. Why use "Solid"?
: On the General tab, check the box that says "Create solid archive" . sc23304-APTRGOG.part02.rar
Are you trying to these files to save space, or are you trying to extract a paper-craft template from them?** Solid archives - WinRAR - Documentation & Help : Ensure your archive name matches your naming convention