Just to clarify I use the option "Import audience CSV" on Workflows menu. As in this tutorial: https://experienceleague.adobe.com/en/docs/platform-learn/tutorials/audiences/upload-audiences When use "Import audience CSV" I'm uploading a externally managed audience. I'm not uploading data to dataset,...

Recently I tried to upload a custom audience. I uploaded a simple CSV file containing 3 columns. The first column was a identitie and the others are just additional data that I need on my profiles.The file had 30k lines and each of them is a unique identity. The dataset created from this process has...