How to create a new report

[sunny8]

Hi
I need to create a new report in report studio. I need to create this new report by making use of all the logics, filters and conditions as it is in an existing report already in the Public folders
First of all how can i take a backup for an existing report..?
next i can i develop another new report based on already existing report
plz advice.
Thanks in advance

[blom0344]

1. Open report in RS
2. You apply 'save as' option to save under other name
3. Open this newly saved report and make changes