Since .rar is a compressed format, you must first extract the data to access the internal guides or CAD parts.
If the .rar file is focused on engineering simulation, it may contain data for Generative Structural Analysis. 128Katia.rar
: Use the mouse buttons to navigate. Holding the middle button (scroll wheel) and right button allows for rotation , while holding the middle button alone allows for panning . Since .rar is a compressed format