To manage your subscribers, please follow steps below:

There you have many options to manage all your subscribers from all lists, you can filter: active subscribers, unsubscribed, choose list source. You can also filter your subscribers based on their engagement with your campaigns: who did open, who did click, order placed, tag, then you can select range of time. This is a great tool to get reports about activity of your subscribers. You can them create lists based on the "filter" you choose, you can export them too.