This is a bloker issue for me, since the single sole only reason I got adobe express was to connect it to OneDrive and work with the files there on my browser. Without this feature Adobe Express is completely useless to me.
Can you please tell me if at least the issue is known or if there is some solution I can attempt on my side?
I wondered if the issue was related to security restrictions in your environment. This page lists all the sites you need access to in order to use the service. This article may help https://adobe.ly/4glAP5s