Hi Gina,I would try to use the Iterate Files iterator available in ArcGIS since 10.0. This should let you choose what folder you want to process and what file types (by extension you need) you want to use with a certain geoprocessing tool (in your case, the CAD to Geodatabase).
Signed in members can post, follow updates, and more. New here? Register a free account.
Find useful guides, FAQs, and documents to help you navigate and make the most of Esri Community.