Some time we need to create another report but slightly diferrent with the prevoius report. To make it eassy and save time, we can just copy existing Query & Report and make an ammendement.
To copy Query, just copy the Query & paste and rename with diferrent name
To copy Report, just copy the Report & paste and rename with diferrent name
Open report in Design View
Right click & click report properties as below
After that click propertiy sheet as below and choose Recod Source