You can perform the following general operations in Web Report Studio:
By default, the page properties defined for the report in the General tab of the dialog will be applied to the exported result of all export formats. You can define the page properties for each exported result by selecting a format from the Type drop-down list, unchecking the Auto option and then defining the properties as you want.
The Open Responsive Mode button or Close Responsive Mode button
is then available on the toolbar.