from this thread
https://community.esri.com/thread/229817-how-do-i-make-the-os-open-basemaps-appear-in-arcpro
Hi Emily Holmes,
Silly questions do not exist, but silly answers do... 🙂
I think my answer is similar to the one Dan Patterson is pointing to.
See screen capture below for details.
HTH,
Egge-Jan
That's the one.... Portal
That's great, many thanks for your help Dan and Egge-Jan!