On clicking the button, an Add New Format window appears. To add or configure a format in the report, a Custom Column button is given on the top of the report. This is a very powerful feature as with this you can customise report as per your requirement. You can configure separate format for each report. You can configure any number of formats for the report and view report in any of the configured format.
With the introduction of a new feature called Custom Columnsin Busy 14, you can add n number of columns or rows to any report.