Open any already sending campaign or a sent campaign.
It will show you every detail for that campaign.
Go to the Campaigns and select anyone as follows.
It will show you the count of Open, Click, Bounces and Unsubscribe users and many other details as follows.
Then you can click on individual statistics such as open, click, bounce, unsubscribe to see each and every id, how open, click, bounced or unsubscribe.
You can not only see the individual IDs but you can export the data in a CSV file on your local system.
You can see the individual IDs for Click, Bounces and Unsubscribe users too and export those data as well in CSV files on your local system.