This option you can find in the installation directory (help documentation) of the software and you can use it for the application while editing your config.pro file.
Category | Description | Values | Default value |
Data Exchange | Specify whether or not to scale drawing views when exporting to theDXF or DWG file.Yes - rescales the entire drawing in such a way that the main viewscale becomes 1:1. No - exports without rescaling. | yes, no | no |