Recover unsaved work
CADSECTION closed before these projects were saved; their last autosave copies are kept (encrypted for your Windows user). Open one to carry on and save it; Delete ticked removes copies you do not need; Later asks again next time.
Commands
CXSAVESave project
Save the project as a .csxp file (CXSAVEAS for a new name). CXEMBED stores it inside the drawing.