Here is a free UWP file manager app for Windows 11/10 which is named Files. It brings tabbed UI that lets you open different hard drives and folders in separate tabs which makes it quite helpful. It ...
This post talks about what is an STP file and how you can open such files in Windows 11/10. STP or STEP is a 3D assembly file saved in Standard for the Exchange of Product Data (STEP) format.