Why are STEP and IGES formats grayed out / disabled in my copy of DSM?

These formats can only be edited and exported when you have the paid Drawing or Bundle add-ons installed. After purchase, you will receive a licence which upon activation allows you to output in these formats.

https://designspark.zendesk.com/hc/en-us/articles/211867685-How-can-the-DS-Mechanical-add-on-modules-help-me-