Is there a report showing total outstanding for inactive customers?
Well if a report does not exist you can write one with the Report Builder https://erpnext.org/docs/user/manual/en/customize-erpnext/articles/making-custom-reports-in-erpnext?
How do you mark or determine an inactive customer rijul?
I think you need a dashboard on sells frequency per each customer.
So the question is whether that dashboard exists? please any pointers for folks like me not in the know…
ah yes I found this
How to create dashboard in erpnext same as in odoo?