Is there any plugin that lets me open the file I selected in the Package Explorer in windows explorer?
I am looking for an extra menu option in the right click menu of the
Since Eclipse 4.4 (Luna) there is a Show in System Explorer command available from the context menu.
The Show In menu is also accessible through Alt+Shift+W on Linux/Windows and Alt+Cmd+W on macOS.
While there is a default setting that is suitable in most cases, the command for launching the system explorer can be configured on the General > Workspace preference page.