Once you have placed data fields on your report, you are ready to preview your design. There are several methods to display the Preview tab if it is not already visible:
Choose Print Preview.
Choose Preview Sample.
Refresh the report.
The program gathers the data, makes the necessary calculations, and displays the report in the Preview tab. With the data in place, you can review the spacing and formatting of your report and see the actual results of all your summaries, formula calculations, and record and group selections.
The program works with data in this manner:
The first time the Preview tab is used, it retrieves data from your underlying data source(s) and saves it with the report (unless you choose the option not to save data with the report).
From that point on, the program uses the saved data whenever you preview the report unless you specifically refresh it or add additional data that requires the program to retrieve new data.
When you save data with a report, the data is saved in a cache file with the report.