It will be great to see the total downloads by users for the apps published in the Microsoft teams marketplace. There is nothing that can tell us about the usage analytics in the Microsoft partners portal. Kindly consider having this feature.
@deepaknaik - Microsoft will always focus on customer’s feedback and experience, some new features would be added to the services based on customers' feedback in the future, we also recommend you give your new idea in Teams UserVoice here.
