You can convert an existing native Mainframe Subsystem Project to a managed Mainframe Subsystem one. 
               	 
            
            	 
            
               		
               - In Visual Studio, open the native Mainframe Subsystem Project that you want to convert.
                  		
               
- Right-click the project in Solution Explorer, and click 
                  		  Create Managed Mainframe Project.
                  		
               
- Specify a name and location for the new project as required, and click 
                  		  Next.
                  		
               
- Specify the target version of the .NET network.
                  		
               
- Specify your preferences for the configurations for the output, and click 
                  		  Finish.