Vtcs2.rar -

That's a very specific file name! To make sure I'm giving you the right steps, I need a little more information.

: Does this involve adding a feature to how you manage or pack .rar files within a specific utility? VTcS2.rar

: Are you looking to create a specific design feature (like a toolpath or a shape) within a project file that was shared as a .rar? That's a very specific file name