Thanks for your feedback! Your idea sounds interesting, but we need more information:
We are certainly thinking about extensible user schema across Office365 suite, and trying to figure out which attribute mappings make sense. We’d love to know more about the scenario you have – Why did your customer chose to use AD custom attributes over User Profile attributes in SharePoint?
An error occurred while saving the commentRegie D commented
Hi, Is Microsoft working on this or having an update? This is very important for us. It is a pain when we need to create a custom property for our application. On the other hand this is possible On-Premise. Thanks