We want to switch to the new OWA, but when I want to attach a file from Groups, it doesn't show the option! It used to work great and now the option disappeared!
Now you go to Cloud locations and only can see your Onedrive. What happened? Is it just happening to us?
Let us know if you have any insight! The pics show what we are missing.
It's a Preview version, there are a lot of functionalities missing/not working as expected. I would suggest you add this to the list here: https://techcommunity.microsoft.com/t5/Outlook-Blog/List-of-features-not-yet-available-in-the-early-...