This is the documentation for ConfiForms Server/Data Center app
However, this might also work for ConfiForms cloud and in most cases it does. But please see this page to understand the differences between server and cloud versions of the ConfiForms app.
Since Release Notes#Version2.15.2 ConfiForms offers new "view" macro, called MatrixView
This macro allows you to create easily filterable views over your form's data grouped by the desired field
Let's consider the following form