I have found some additional trouble regarding virtual layers, this time copy/paste to an external program. http://hub.qgis.org/issues/14736 Magnus -- View this message in context: http://osgeo-org.1560.x6.nabble.com/Project-file-data-loss-tp5262903p5263118.html Sent from the Quantum GIS - User mailing list archive at Nabble.com.