We have just started using AGOL as an organization, and unfortunately it has gotten very disorganized fairly quickly. We were tasked with getting the layers/maps organized. It would really help if there was a way to export the the list of layers and maps that we have hosted on AGOL. Is there a way to do this?
Admin Tools for ArcGIS Online is likely what you're looking for. It's a separate download (which I don't understand why it's not included), I regularly push lists out to see what layers reside under what groups and who owns what. It's proven to be a huge time saver and helps me keep things organized.