Custom Reports are often provided to assist with reporting where the Report wizard can not cope. The following  will save me having to repeat the basic instructions.

1. Close R6
2. Copy the file provided into the Report folder of R6 (unzip if required)
3. Open R6
4. Goto Reports/Run  *
5. Open the menu  (this information should be provided with the file)
6. Select and run the report
7. Enter parameters if requested. Some parameters will have a magnifying glass next to them. Clicking on the will take you to the appropriate Window where a selection can be made and returned to the Report.
Select the item and press F9 to return the information to the report.