Requirement tab– Right click on main req/click on export/save as word, excel or other template. This would save all the child requirements
Test plan tab: Only individual test can be exported. no parent child export is possible. Select a test script, click on the design steps tab, right click anywhere on the open window. Click on export and save as.
Test lab tab: Select a child group. Click on execution grid if it is not selected. Right click anywhere. Default save option is excel. But can be saved in documents and other formats. Select all or selected option
Defects Tab: Right click anywhere on the window, export all or selected defects and save excel sheet or document.