You can use saved .repx files as design templates for Custom Query Reports.
HINT:You can also use the sample report layouts and SQL commands that are available from the File Query Cookbook, the collaborative community portal for accessing and sharing Custom Query reports. Both the SQL commands and report layouts can be customized as needed. You can access the File Query Cookbook directly through the Report Designer interface, or at http://www.filequerycookbook.com.
In Report Designer, open the Custom Query Report you want to design using a saved template.
Click Open, then select the .repx file you want to use for designing your report.
The report is updated with the design from the .repx file.