You need to have a thorough understanding of the use of selection screens in order to produce valid report output.
The data that appears on a selection screen varies, based on the data available in the logical database used in the report's InfoSet.
You have multiple output options for a report, including Microsoft Excel, a data file, or a Microsoft Word merge file.
When reporting in the SAP Query tool, you can set the output option on the Title, Format screen of the SAP Query tool or on the report's selection screen, which is displayed when the report is executed.