Welcome to the Community, @maidit. I'm here to lend a hand with customer reporting.
Just to clarify, are you needing to see a list of all the customers that haven't been made inactive? If so, here's how you can generate one:
The following is a brief video to serve as an example of this:
For additional insight into customizing reports, I suggest the following article: How to Customize Reports.
I'm just a few clicks away if you should have questions about reporting or anything else QuickBooks related. Wishing you well.