You can open this dialog with the menu item "Options | Default Values...". In this category you can configure the formatting properties for newly created elements in i-net Designer.

General, font, border, line and box properties can be set for different element types, such as database fields, summary fields, group name fields, and text objects.
Text, Paragraph, and Value properties can be set for the different field types, such as string, number, currency, date, time, datetime, and Boolean fields.

The i-net Designer will use the default formats for all elements, which will be added to the report uisng i-net Designer. To change the default properties of an element type or for elements with different value types, choose the element from the list on the left side.
The property dialog will be shown on the right side. Set your default configuration in this property dialog or switch to other elements to set their default setting. By pressing OK button, your settings will be saved and newly added elements will now use these property settings.

You can also export and import you default settings. Therefore press the import/export buttons and choose a file to import/export you settings.

Pressing the reset button will reset all default properties to the defaults of i-net Clear Reports.