i tried this once i opened the QC form two different application (IE, qc explorer) and copy the folder where the test cases are and then switch to the other application and paste it
Hi – when you copy test plans from one project to another you need to have all the same fields and same field type and size. If something is different form one project to another you will get an error message. The test plan module fiels(test under project entities )should be the same.
hope this help.