You can only clone one test case at a time. 
         
         
         
            - 
               Select More Options
                  
 for the test case that you want to
                  duplicate, and then Clone. 
               
               The Clone panel appears.
               
               
             
            
            - 
                You can rename the test case and select the information that you want to
                  clone:
               
               
                  
                  - 
                     Assignment to requirements
                     
                  
 
                  
                  
                  - 
                     Documents
                     
                  
 
                  
                  
                  - 
                     Labels
                     
                  
 
                  
                  
               
               
               
               
                  
                  Manual steps, custom field definitions, and custom field values are also
                     cloned if they exist.
                  
 
                  
                  
                
               
             
            
            - 
               Select Confirm to clone the test case.
               
               
The Test case will be cloned in the background message
                  appears.
               
               
             
            
         
         
         
         A clone of the test case is created, with a different Id.
            
            
            
            Note: 
               
               
                  
                  - Automation information isn't
                     cloned.
                  
 
                  
                  
                  - Assignments to external
                     requirements aren't cloned.