File with an .EDRW extension contains a compressed mechanical project, such as tools, construction materials projects, which has been exported in the eDrawings format for CAD software. It may be operated on by many other CAD programs, providing the SolidWorks add-on is installed.

SolidWorks is a software used in CAD mechanical engineering, enabling managing a product, communication and validation of a given project. It is available in several versions – basic Standard, advanced Professional and complete Premium. It enables exporting a project into EDRW format, which reduces its size up to 95%, so that it can be sent to specific people via Internet in an easy way.