1) Unpack the pbix file (ie: unzip it) 2) Find the DiagramLayout.json file 3) The table name will be in a node called nodeIndex { "location" : { "x" : 588 , "y" : 0 }, "nodeIndex" : "CALENDAR" , "size" : { "height" : 206 , "width" : 254 }, "zIndex" : 0 }