Convert ad_pkg to step

Download and install the latest version of Filestar.
Right click on one or more Ad_pkg file(s) on your desktop and select Convert with Filestar.
Type convert to step in the search box.
Press Convert.

What is the difference between .ad_pkg and .step?

Name: Alibre Design Package; STEP
Extension: .ad_pkg; .step
Category: 3D Image; 3D
Developer: Alibre; ISO
Description: STEP is a neutral ISO-standard 3D file format that is used to transfer data between different CAD programs.; STEP is a neutral ISO-standard 3D file format that is used to transfer data between different CAD programs.
MIME Type: application/octet-stream; application/step
Wikipedia: .ad_pkg on Wikipedia; .step on Wikipedia