Adding or extracting single files from a solid archive takes much longer because the entire archive must be processed.
If you provide this info, I can tell you if you should be using the rar command-line tool or if a simple right-click in Windows will do the trick. rar - ArchWiki Linsh.rar
Choose "Add to archive..." from the context menu. Configure Solid Option: Adding or extracting single files from a solid
In the "General" tab, set to RAR (Solid mode only works with RAR, not ZIP). Check the box for "Create solid archive" . Linsh.rar
Right-click the folder or files you want to archive.