To manage your subscribers, please follow steps below:
Click on "Lists"
Click on "Manage subscribers"
Click on "Filter icon" on top of the page
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.